May 8, 2014 · A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. If it’s a 383 stroker, you can probably go with 200cc intake runners. Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. I used Crower 66282H-16 lifters with standard Jesel SB 2.2 rockers. The push rod lengths ended up being BBC +.100", with heads that were milled ~.070" and a standard deck ht. Dart Little M block. I had the cam custom ground by Cam Motion with a .900" base circle, to aid in connecting rod clearance (4 rods still had to be clearanced).Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet TFS-30210003. Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.460 in. Springs, No Accessory Bolt …SBC Heads. 14 results. Sort by See all Aluminum Cylinder Heads. SBC CHEVY 400 406 NKB-200cc ALUM. ... SBC CHEVY 350 383 406 NKB-200cc ALUMINUM HEADS 68cc STRAIGHT PLUG NKB-274-68cc. Available $849.00. Add to cart. SBC CHEVY 400 406 NKB-200cc ALUMINUM HEADS STEAM HOLES 64cc STR. PLUG NKB-274-SHMaximum bore size of the Motown LS is 4.185in. Already in production and on sale in 2016, the Motown LS is a precursor to the next project—a lightweight competition small block. tech box: Part numbers for the Motown LS blocks: 084080 Motown LS, 3.995" Bore, 55mm Cam, .842" Lifters, Nodular caps.Most of these small-block Chevy heads offer a power increase of around 40 hp, and even the iron Vortec heads were worth 20 hp over stock. The two best small-block Chevy heads in terms of...I believe a set of 441 castings are in the ballpark. 70 Chevy 350 PU 4bc or Pass with 2bc, ... that will out flow the best ported fuellie heads. It also costs way more to bring the older heads up to usable condition than the cost of the newer heads. Our Cars '57 Nomad 283 Ppk PG '57 BelAir Sport Coupe 283 245hp 2x4BC PG '57 BelAir Sport … A cast-iron block with four-bolt main caps is the foundation for the 350 HO, which is topped with iron Vortec heads fitted with 1.94/1.50-inch valves. Its durable rotating assembly has aluminum pistons delivering a 9.0:1 compression ratio. Maximum bore size of the Motown LS is 4.185in. Already in production and on sale in 2016, the Motown LS is a precursor to the next project—a lightweight competition small block. tech box: Part numbers for the Motown LS blocks: 084080 Motown LS, 3.995" Bore, 55mm Cam, .842" Lifters, Nodular caps.Air Canada has some good deals to Beijing and Shanghai during the months of February and March 2020. Round-trip economy fares are as low as $350 per person. Update:Some offers ment...Most of the aftermarket heads in this category such as the AFR, Brodix, and Dart heads all offer the option of straight versus angled spark plugs. There is a minimal power difference …Most of these small-block Chevy heads offer a power increase of around 40 hp, and even the iron Vortec heads were worth 20 hp over stock. The two best small-block Chevy heads in terms of...Encrypted Checkout. Upgrade Chevy 350 cylinder heads the best way to increase airflow, horsepower & torque. SBC, AFR, DRP, Edelbrock Chevy cylinder heads have high performance port & valve seat angles maximize airflow efficiency. Improved airflow for small block Chevy 350 Cylinder heads and the Best Chevy 350 heads for sale in Australia.Nov 27, 2004 · GM Performance Parts Small Block Chevy TBI Cast Iron Cylinder Head. This is a good flowing head for use on fuel injected engines used from 1987-95. Originally this cast iron head was used on the 285hp 350 crate engine which is no longer available. This is an excellent head for increased performance on all TBI cars and trucks. Price is per head. Aug 25, 2013 · YOUR BUILDING A BUDGET SMALL BLOCK CHEVY WHAT HEADS SHOULD YOU BE LOOKING FOR AND WHAT TO STAY AWAY FROMsee part 2 http://youtu.be/q7UNH0QkxEY DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head Compatible with SBC Engines 302, 327, 350, 383. 4.3 out of 5 stars. 51. $233.51 $ 233. 51. FREE delivery Fri, Feb 23 . ... Top subscription boxes – right to your door: PillPack Pharmacy Simplified: Amazon Renewed Like-new products you can trust :Speedmaster Cast Aluminum Cylinder Head Small Block Chevy 350 w/Hydraulic Flat Tappet Cam. Part Number: 746-PCE281.2004. Product Q&A View Now. Click image to zoom. $955.00 1 left in stock Lowest Price Guarantee ... Best Value. SAVE $424.82 JEGS - Small Block Chevy Aluminum Cylinder Head for use with Hydraulic …1 day ago · Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each. Part Number: SUM-152123 4.82 out of 5 stars Colleges and new high school graduates have what I think is a strange idea. They think every freshman is an ad Colleges and new high school graduates have what I think is a strange...Brodix Cylinder Heads IK 180 Cylinder Heads for Small Block Chevy 1021005. Cylinder Heads, IK 180, Aluminum, Assembled, 64cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair. Find 1976 CHEVROLET 5.7L/350 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing!Jul 4, 2006 · Stock out-of-the-box Vortec heads have approx. 480HP potential naturally-aspirated. Fully race-ported flowing 275 cfm @ 28" water with 2.055/1.60 valves, potential is approx. 580 HP. There are reports of some shops getting close to 300 cfm out of these heads in fully-ported form. Summit Racing™ Cast Iron Cylinder Heads for Small Chevy. Summit Racing Part Number: SUM-152123. UPC: 190861096202. Combustion Chamber Volume (cc): 72. Intake Runner Volume (cc): 165cc.The standard length of aftermarket SB Chevy pushrods are 7.796" long but may vary slightly depending on the manufacturer. The preload on SB Chevy hydraulic flat tappet lifters can be adjusted correctly with pushrods that are from 7.776" to 7.816" long. Standard hydraulic lifters have .125" total plunger travel.Jul 4, 2006 · Stock out-of-the-box Vortec heads have approx. 480HP potential naturally-aspirated. Fully race-ported flowing 275 cfm @ 28" water with 2.055/1.60 valves, potential is approx. 580 HP. There are reports of some shops getting close to 300 cfm out of these heads in fully-ported form. Year Range: 96-02. Engine Size: 5.7L - 350ci - V8. Description: 96-02 Chevy 350 5.7L V8 SBC 062/906 NEW Vortec Cylinder Head. Introducing our brand new aftermarket Vortec Cylinder Head, explicitly designed for 1996-2002 Chevy 350 5.7L V8 SBC engines. These Vortec heads are engineered to deliver top-notch performance and reliability, making …do a 350 with 10:1 compression and a flat tappet hyd cam as follows: - 234/244 @.050 .488/.510 114° lobe center. or. - 246/246 @.050 .500/.500 106° lobe center. Use a good double hump head with screw in studs and some bowl porting with a set of roller rockers and get that compression up to 10:1. 1970 Chevelle, 331cid.Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet TFS-30210003. Cylinder Head, DHC™ 175, Fast As Cast®, Assembled, 1.460 in. Springs, No Accessory Bolt …367 posts · Joined 2004. #11 · Jan 5, 2008. hotrod3z said: go to www.northernautoparts.com and check out the classic 350 rebuild kit it comes with everything to rebuild a 350 cam pistons everything u need for $150.00 no joke then all u have to pay for is machine work.Promo. Speedmaster®. Chevy SBC 350 Straight Solid Roller CNC Cylinder Head Top End Engine Combo Kit. No Reviews yet. MPN: PCE435.1012 UPC: 840136553571 Extended Warranty Eligible. US $1,620.50 US $2,315.00. You Save US $694.50 (30%)Single Points Earn 1621 Points. Build to Order. Quantity.Researchers have discovered abundant colonies of mycobacterium in residential shower heads. HowStuffWorks takes a looks and offers a quick fix. Advertisement Taking a shower should...JEGS 80018 - Head and Crank Storage Bag 35" L x 10" W x 9" ... $5.82. JEGS 80725 - Cylinder Head Work Stand. $46.19. JEGS 83400 - Head Bolt Kit for Small Block Chevy. $78.29. Edelbrock 1407 - Performer Series 750 CFM Carburetor with M... $451.95. Edelbrock 2102 - Performer-Plus Camshaft Kit for Small Bloc...You're deep in dreamland when you hear an explosion so loud you wake up. Figure out the origin of exploding head syndrome at HowStuffWorks. Advertisement Just after curling up into...Jan 8, 2004. View Gallery. 5 Photos. Our 440hp, 440-lb-ft Smeding Performance test mule displaces 383 ci and represents a very popular small-block segment. It retails for $4,895 and comes less ...I have good luck with Fel-Pro's and a little Ultra Copper goo smeared on them. For the first few days retighten the bolts after each drive, and you should be fine. The problem a lot of times is the gaskets compress, the bolts get loose, and they burn through--If you get them snugged down after they have compressed, they will last a lot longer.I used Crower 66282H-16 lifters with standard Jesel SB 2.2 rockers. The push rod lengths ended up being BBC +.100", with heads that were milled ~.070" and a standard deck ht. Dart Little M block. I had the cam custom ground by Cam Motion with a .900" base circle, to aid in connecting rod clearance (4 rods still had to be clearanced).A 4-pound meatloaf needs to bake at 350 F for two hours and 40 minutes. Check the meatloaf’s temperature while it is still in the oven by inserting the thermometer into the center ...Feb 5, 2015 · 12. Though the RHS heads had more to offer with wilder cam timing, the 200hp upgrade relied on a set of CNC-ported AFR 195 heads. Even without the Competition porting, the AFR heads were capable ... Aug 31, 2021 ... TOP 5 Best Camshafts for Stock 350 Chevy - ... -for-lq4-with-317-heads/ - ... How to Remove / Install a Camshaft in a Small Block Chevy (EASY SWAP) ...Competition Products offers kits with correct components. Also stock production heads do not support flow/volume much over about .480 lift. or 6000 rpm. A lot of responses will give you answers that they are running .500+ lifts on stock heads and they make horsepower. But in real life, these are usually a waste of parts.Gas prices have fallen below $3 a gallon in nearly half of the US as demand slows heading into the Christmas holiday season. The average price for a gallon of gas has dropped below...Nov 5, 2019 · When the engine gets built, the old iron heads are going to get scrapped, so teflon or viton seals are not required. I removed a couple of valve springs and took some measurements. Here's the stats I measured: Intake: 0.343 (11/32) stem, 0.556 guide. Exhaust: 0.375 (3/8) stem, 0.564 guide. Competition Products offers kits with correct components. Also stock production heads do not support flow/volume much over about .480 lift. or 6000 rpm. A lot of responses will give you answers that they are running .500+ lifts on stock heads and they make horsepower. But in real life, these are usually a waste of parts.Power isn't the main goal. Before you say build a 4 cylinder or V6 let's just say it has to be a SBC. A smaller bore/ longer stroke vs. a bigger bore/ shorter stroke of about the same displacement (ie. 305 vs. 302) should get better mileage. The longer stroke should make better low end torque which should help with mileage.Looking for help in a few things for a first build. Hoping for 350 hp and a flat torque curve of 350 or more if possible with a static cr of 9.0-9.5 on cali 91 pump gas working below 6k rpm (5500 is possible). I have a free set of vortec heads that need a good cleanup and valve job that ill be using. Parts i have on my list to use.Re: What blower heads for a sbc? I'd look at it this way: camshaft duration will determine the max rpm you will run. Head flow needs to be adequate to work at that rpm, with the boost you're running. Probably you need the highest flowing heads you can buy with the money you have available. My fabulous web page.Colleges and new high school graduates have what I think is a strange idea. They think every freshman is an ad Colleges and new high school graduates have what I think is a strange...The problem these heads then bring is the plug is off on the far side of the head and with a 350 bore diameter results in a long burn just like 1970-1980 era 350 smog heads, which therefore wants, but now can't tolerate, more spark lead for best power.Don’t go out and buy a 1 7/8 inch primary tube header for your street driven 350, which is what is commonly considered overkill. Not only that, it can actually rob your engine of power. Most of our techs agree that a street application 350 will benefit well from a header with 1 1/2” to 1 5/8” diameter primary tubes and 2 1/2 or 3 inch ...1) Go to 1.6 rockers with the existing cam, this will add 15 - 20 hp without having to dig deeper than the rocker covers. Your engine uses self aligning rockers. 2) The Edlebrock 3702 cam is perfect for these TBI engines and about as far as you can go with the factory sensors. But this alone is good for 30-40 hp over what you've got for a cam.Jun 5, 2020 · The gentlemanreferred to the Ls 5.3 L as the La heads have good flow and a steeper valve angle, as in Buick 350, 455 had 10° Valve angles n 315 hp rated Buick 350 wave goodbye to Chevy 350/350hp at 125 mph, both being automatics, the Buicks valve angle allowed greater top end Bout 150 mph with good points n plugs set right n decent wires. If there is one category of smallblock heads that is best suited to performance street small-block Chevy engines, it is the heads in the 180 to 199-cc intake port volume zip code. Sized to nestle into the 350 to 383 to 406-ci small-block displacement range, these heads are intended to produce a street-friendly broad RPM power band. 93+ LT1 heads on a Gen 1 sbc At the time of build, I had a 355 sbc in a nova not working. First I pulled it out and installed Speed pro 10.1 pistons. I bought a zz4 cam 208/221 & .474/.510 along with proper hyd roller lifters. I thought I was ready to go :smash: but the heads were ported by a newbie. All the chambers were messed up etc.Maximum bore size of the Motown LS is 4.185in. Already in production and on sale in 2016, the Motown LS is a precursor to the next project—a lightweight competition small block. tech box: Part numbers for the Motown LS blocks: 084080 Motown LS, 3.995" Bore, 55mm Cam, .842" Lifters, Nodular caps.Intake runner volume, bowl volume and design, chamber design. The old heads were made for a 327ci engine, not anything bigger. 72 Nova- LS 370 88mm turbo 4 link. 99 Transam-LS 370 76mm turbo. 71 Chevelle slow 350 building a LS 5.3.ive got a mid 70s 350 in the chevelle. Did rings bearing and for the heads, I just hand lapped the valves, new seals and called it done. it runs good, smokes a bit on start up. locally a guys got A pair of edelbrock e street heads 64cc. I'm sure these are better than the high mileage smog heads on the car now.Don’t go out and buy a 1 7/8 inch primary tube header for your street driven 350, which is what is commonly considered overkill. Not only that, it can actually rob your engine of power. Most of our techs agree that a street application 350 will benefit well from a header with 1 1/2” to 1 5/8” diameter primary tubes and 2 1/2 or 3 inch ...The Brodix IK180's or IK200's are a good head ... but also a pretty typical ~400HP SBC 350. It has a 225/234 at .050 Isky hyd roller cam with .505/.530 lift, roller rockers, Profiler 195cc heads with 64cc combustion chambers, about 9.75:1 compression, ...1. Comp Cams 54-470-11 Camshaft for 350 Chevy – Best Overall. The Comp Cams brand stands out as it was the first to introduce the latest camshaft finishing technique (Micro Surface Enhancement) to …badbob nailed it, but left out 1 little thing. the 010 blocks have 2% more nickel and 1% more tin then the other castings. The block in Old Yeller ('70 PU) is a 4-bolt with 010 and 020 cast on the front and rear of the block. I've been told by numerous sources that 010 blocks have 1% tin and 020 blocks have 2% nickel.Replacing Cylinder Heads for Chevy 350. As durable as it is, Chevy 350 is not a problem-free engine. Among all engine problems, the most common and costly job is …JEGS 80018 - Head and Crank Storage Bag 35" L x 10" W x 9" ... $5.82. JEGS 80725 - Cylinder Head Work Stand. $46.19. JEGS 83400 - Head Bolt Kit for Small Block Chevy. $78.29. Edelbrock 1407 - Performer Series 750 CFM Carburetor with M... $451.95. Edelbrock 2102 - Performer-Plus Camshaft Kit for Small Bloc...If you’re a car enthusiast or in the market for a new engine, you may have come across the term “rebuilt Chevrolet 350 engine.” But what exactly does that mean? In this ultimate gu...Speedmaster Cast Aluminum Cylinder Head Small Block Chevy 350 w/Hydraulic Flat Tappet Cam. Part Number: 746-PCE281.2004. Product Q&A View Now. Click image to zoom. $955.00 1 left in stock Lowest Price Guarantee ... Best Value. SAVE $424.82 JEGS - Small Block Chevy Aluminum Cylinder Head for use with Hydraulic …Mar 16, 2012 · So here's my setup. - SBC 350 - block # 3970010. - Comp Cams Camshaft - High Energy/Marine™, 268H 12-210-2. - Comp Cams High Energy™ Hydraulic Lifters 812-16. - Edelbrock Performer Intake Manifold. - Edelbrock 600 cfm Performer Carb. - Heddman Hedders - standard duty uncoated headers. SBC 350 Pistons; SBC 383 Pistons; SBF 347 Pistons; SBF 408/427/434 Pistons; Power Steering & Accessories. Chevy Power Steering Pumps; Roller Rockers. Aluminum; …One popular option for 383 strokers is aluminum heads. They offer several benefits, such as being lightweight. This results in reduced overall weight, which enhances performance. Additionally, aluminum dissipates heat well, allowing the engine to run cooler.1. Comp Cams 54-470-11 Camshaft for 350 Chevy – Best Overall. The Comp Cams brand stands out as it was the first to introduce the latest camshaft finishing technique (Micro Surface Enhancement) to optimize engine performance. The 54-470-11 camshaft model comprises outstanding features such as variable torque and high …Don’t go out and buy a 1 7/8 inch primary tube header for your street driven 350, which is what is commonly considered overkill. Not only that, it can actually rob your engine of power. Most of our techs agree that a street application 350 will benefit well from a header with 1 1/2” to 1 5/8” diameter primary tubes and 2 1/2 or 3 inch ...Intake runner volume, bowl volume and design, chamber design. The old heads were made for a 327ci engine, not anything bigger. 72 Nova- LS 370 88mm turbo 4 link. 99 Transam-LS 370 76mm turbo. 71 Chevelle slow 350 building a LS 5.3.462 camel hump heads. 355 C.I. small block chevy. flat top pistons, 10:1 compresion ratio. camshaft: 106 degree LSA, 250 degree duration at .050". 165-180 cranking PSI in all cylinders. Quadrajet, stock intake, exhaust and heads, no porting (it is on a circle track street stock and those are the rules)."Mar 16, 2012 · So here's my setup. - SBC 350 - block # 3970010. - Comp Cams Camshaft - High Energy/Marine™, 268H 12-210-2. - Comp Cams High Energy™ Hydraulic Lifters 812-16. - Edelbrock Performer Intake Manifold. - Edelbrock 600 cfm Performer Carb. - Heddman Hedders - standard duty uncoated headers. Encrypted Checkout. Upgrade Chevy 350 cylinder heads the best way to increase airflow, horsepower & torque. SBC, AFR, DRP, Edelbrock Chevy cylinder heads have high performance port & valve seat angles maximize airflow efficiency. Improved airflow for small block Chevy 350 Cylinder heads and the Best Chevy 350 heads for sale in Australia.I have good luck with Fel-Pro's and a little Ultra Copper goo smeared on them. For the first few days retighten the bolts after each drive, and you should be fine. The problem a lot of times is the gaskets compress, the bolts get loose, and they burn through--If you get them snugged down after they have compressed, they will last a lot longer.Gas prices have fallen below $3 a gallon in nearly half of the US as demand slows heading into the Christmas holiday season. The average price for a gallon of gas has dropped below...Best SBC Heads for 500 HP Reviews. 1. DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head. 2. Flo-Tek 1200-HRAC-505A Performance Cylinder Heads For SBC. 3. Auto Dynasty Straight Aluminum Bare Cylinder Head. 4. Speedmaster PCE281.2010 Chevy SBC 350 (205cc, 64cc) Straight Hydr-FT Complete Aluminum.Jun 5, 2020 · The gentlemanreferred to the Ls 5.3 L as the La heads have good flow and a steeper valve angle, as in Buick 350, 455 had 10° Valve angles n 315 hp rated Buick 350 wave goodbye to Chevy 350/350hp at 125 mph, both being automatics, the Buicks valve angle allowed greater top end Bout 150 mph with good points n plugs set right n decent wires. Trick Flow® Super 23® 195 Cylinder Heads for Small Block Chevrolet TFS-30410015-M72 Cylinder Head, Super 23® 195, Fast As Cast®, Assembled, 72cc CNC Chambers, 1.460" Springs, Small Chevy, Each ... Cylinder Head, 200cc, Hydraulic Roller, Angled, Aluminum, Assembled, Chevrolet, Small Block Gen I, 305/307/327/350, Each. Part Number: FLK …93+ LT1 heads on a Gen 1 sbc At the time of build, I had a 355 sbc in a nova not working. First I pulled it out and installed Speed pro 10.1 pistons. I bought a zz4 cam 208/221 & .474/.510 along with proper hyd roller lifters. I thought I was ready to go :smash: but the heads were ported by a newbie. All the chambers were messed up etc.I believe a set of 441 castings are in the ballpark. 70 Chevy 350 PU 4bc or Pass with 2bc, ... that will out flow the best ported fuellie heads. It also costs way more to bring the older heads up to usable condition than the cost of the newer heads. Our Cars '57 Nomad 283 Ppk PG '57 BelAir Sport Coupe 283 245hp 2x4BC PG '57 BelAir Sport …
This Bill Mitchell Products big-block Chevy cylinder head is typical of the quality and performance available from the aftermarket. It is very versatile with a 16-degree valve angle and moderately-sized 324 and 345cc runners. Designed for 540cid engines and smaller, it has made over 1,050 horsepower on a 632.. How many more days till the 1st
Fel-Pro Print-o-Seal #1206. X2... It's what I have been using (with the silicon RTV used for end seals). I am also using the same intake and heads (Edelbrock RPM Air Gap and AFR 195 Street Heads). Great looking ride!!! Mike - Baltimore, MD. 74 Nova Custom : 400 Dart SHP : 2004R : 12 Bolt Truetrac 373.How are amnesia and head trauma related? What happens if you get bonked really hard on the head? Learn about amnesia and head trauma in this article. Advertisement We've all seen i...(Kitco News) - Kitco aficionados, it is now time to have your say in where you think gold prices are heading in the short-term.Read more on 'Kitco' Indices Commodities Currencies S... Trick Flow® 350 HP Super 23® Top-End Engine Kits for Small Block Chevrolet TFS-K314-350-400 Head Combo, Rockers, Head Bolts, Camshaft, Button and Lock Plate, Lifters, Pushrods, Timing Set, Gaskets, Kit DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head Compatible with SBC Engines 302, 327, 350, 383. 4.3 out of 5 stars. 51. $233.51 $ 233. 51. FREE delivery Fri, Feb 23 . ... Top subscription boxes – right to your door: PillPack Pharmacy Simplified: Amazon Renewed Like-new products you can trust :The GM 929 is often called an "old", design, but I'm not sure what its missing when compared to newer cams. The wider LSA of the first two would seem to have a low to mid range torque advantage over the Elgin cam. Summit 1101 - 194/204 @ .050, .398/.420 lift, 112 LSA. GM 929 195/202 @ .050" .390/410 lift, 112 LSA.Feb 13, 2024 · Vortec Head. Sporting centrebolt valve covers and a strange sawtooth, the Vortec head first hit the market in 1996. It was equipped with 170-cc intake port volume, 1.94/1.50-inch valve sizes and a 64-cc chamber. Its excellent performance soon made it into one of the most popular Chevy heads ever produced. Tech: GM 1st Gen Heads vs. Vortec Heads Reader Guide. By Bobby Kimbrough April 13, 2015. Chevrolet’s small-block Chevy was manufactured beginning in 1955, and the first-generation engines (Gen I) can still be purchased as a replacement crate-engine through Chevrolet Performance. In 2005, General Motors estimated that 90 …chevy 350 small block performance cylinder heads. these cylinder heads have the following: 283, 305, 327, 350, 383 & 400 applications. converted 305 castings #416, 434, 450 & 601. 64cc combustion chamber. 170cc intake runner. all heads come with stainless .160 ex & .202 in valves. steam holes drilled for 400 applications no charge. all …BluePrint BP3961CTF GM 396 SBC Dressed Engine, Alum Heads, Roller Cam. Crate Engine Type: Long Block. Engine Displacement: 396 cu. in. Horsepower: 485 horsepower. $8,949.00 /each. Add to Cart. BluePrint Engines | #227BP3961CTC. ... and the best 350 Chevy Small Block Crate Motors online. ...The torque specifications for Chevrolet 350 cubic inch V8 head bolts are 65 foot-pounds per bolt if securing the stock cast iron head. Aftermarket aluminium heads have unique torqu...350 Chevy-Stock vs Headers vs Q-Jet The graph shows that a stock two-barrel, 350 Chevy could hardly be considered a power house. The combination of mild cam timing and limited breathing through the two-barrel induction and stock iron heads resulted in peak numbers of just 241 hp and 359 lb-ft of torque.Re: Head gaskets for Vortec head sbc 350. by ProPower engines » Tue Mar 13, 2012 8:25 pm. You need .040 piston to head clearance. After you measure that choose you gasket thickness accordingly. You have a choice of using Felpro marine head gaskets or going to the local Mercruiser dealer and getting them. The stock marine gasket is a …U.S. stocks traded lower toward the end of trading, with the Dow Jones dropping over 300 points on Friday. The Dow traded down 1.07% to 32,798.91... U.S. stocks traded lower towar...When the engine gets built, the old iron heads are going to get scrapped, so teflon or viton seals are not required. I removed a couple of valve springs and took some measurements. Here's the stats I measured: Intake: 0.343 (11/32) stem, 0.556 guide. Exhaust: 0.375 (3/8) stem, 0.564 guide.You can also use them with various SBC engines such as 302, 350, 327, 383, and 400. This is truly one of the best aluminum heads for small block Chevy engine. Pros. Lighter than iron heads ... Best SBC heads for torque. There is a very technical explanation as to why dual-plane manifolds like Edelbrock 2701 offer better street ….