377 Sbc Build7 scat pro comp I beam rod Scat 3. Here's a build from Keith Dorton of Automotive Specialists that's a naturally aspirated small block Chevy making an easy 557 horsepower. A 377 must start with a 4. 00" Carillo and a Lunati 4340 3. Hi guys, What are your thoughts on a 4. The foundation for the build comes in the form of a GM 6. 48 stroke), but the advantage beyond the extra cubes lies with the bigger. You should have the block line honed to make sure the mains are round and same size. There's light at the end of the tunnel for my kit car build. Also dont use main studs they fucking suck. 1 377 pistons amd have an aftermarket 350 mains 4. $4800 for parts, $2900 for assembly, my friend supplied the block. If it were me, I'd go for the 406 just for extra inches. This recipe yields 377 inches when combined with a. well when i got this short block it was was and is a mess but it all looks good for a core and it is std bore. Two benefits to a stock block 377, first the stroke you removed will exponentially add to the life if the block when your in the 600 to 650 hp range. The 377 is a good combination just make sure you check your bearing clearance when putting it together. The block would be one of two choices: 1. i think then you just use 400 pistons designed for a 6" rod. 6L production iron block, typically found in. as others have said, unless you have a darned good reason, and the only one I can think of would be a race rule requirement, never. Roller fit this bill? Knowledge is power and saving $$$ is King. I dont think a 377 destroker would be very friendly on the street. SBC CHEVY TURN KEY STAGE 2. They would stink for a heavy car with 2. 155 bore splayed cap iron block and a set of heads that. 28Spring rate: 354 lbs/inCoil-bind. How to Build a 377 Stroker 350 Chevy Small Block by Moss Strohem The small block Chevrolet engine has components that interchange readily among different versions and. A 377 DE stroker (400 with 350 crank) is supposed to be a really high revving engine. With a thick brg you never know what your going to get for brg clearace. To try it out, we grabbed a BluePrint Engines 377-inch small-block with forged Scat guts (3. All Scat 4340 cranks are 2-piece rear main. mkoch96 Active Member Sep 9, 2009 #3. 1 377 pistons amd have an aftermarket 350 mains 4. If I were going to build strictly a race motor from a SB, my choice would be a 406 with 6in rods, heads with the BIGGEST valves (2. CDW also offers the 377ci small-block Chevy as a completely assembled long-block package with World Products Sportsman iron heads for $2,800. If not constrained by sanctioning-body rules, there is no replacement for displacement. I would definately prefer the largest engine I can build for the buck. Build your first stroker small-block the right way by following these important guidelines and tips. 6 exhaust 1 5/8 headers quick fuel 750 carb 10. To try it out, we grabbed a BluePrint Engines 377-inch small-block with forged Scat guts (3. 8919 Views 60 Replies 14 Participants Last post by wingnutks , Apr 29, 2017 V8luvin Discussion Starter · Apr 25, 2017 Looking for opinions on this combo. The 383 small-block recipe is one almost every enthusiast knows: mix a 0. 48 stroke it is 372 cubes (math = 372. The 377 is a good combination just make sure you check your bearing clearance when putting it together. SBC CHEVY TURN KEY STAGE 2. He has been waiting and asking how much for 9 months. These rotating assembly engine rebuild kits are designed for street use and include Keith Black forged pistons, Scat 4340 Pro-Comp I-beam rods and a Scat 4340 forged crankshaft. generally when I build a 377,its going to be built to take advantage of the upper rpm power potential,of the 350 reasonably short 3. The 4 inch crank in a 350 is new to me. the engine is a 377 sbc. 5" stroke and the 400 sbc larger bore size youll want heads and a. I know the 377 (400 block, 350 crank) sbc is not a popular build, but the way I see it, it could be a fun motor. 1970 GM 400 block brodix 23 degree heads victor ram intake with two 750 cfm carburetors made 735 HP and 522 ft. Long story short the final bill (no carb, intake, pan, valve covers, ignition ectjust the long block) 8K. with dart pro 1 platinum heads 215 with 2. You can build them for high rpms while still having enough torque to move the car around at lower rpm. A 377 DE stroker (400 with 350 crank) is supposed to be a really high revving engine. If you wanted a 377, you could just use the same parts on that but you would probably loose around 40 hp (assuming 1. 95 Add to Cart SB Chevy 377, Dart Block, Eagle 4340 Forged Steel 3. Are you aware that a 377 can be made with a 400 block and a 350 stroke--same bore as a 406? That's the more common way to build a 377 since there aren't a lot of standard bore 350's out there to build one the other way. They also give great credit to you. I arleady have a crower 3. 383 is probably best for tq and HP tho. 15 to 1 so I can run pump gas--don't plan on racing at track--just street driving with little authority when I ne. How to Build a 377 Stroker 350 Chevy Small Block by Moss Strohem The small block Chevrolet engine has components that interchange readily among different versions and displacements. 2nd, the added bore helps unshroud the intake valve and improve air flow into the cylinder. another fun option would be to get a crank from a 307 (same as a 327) and building the 350 Chevy should have made. If your building a 2 barrel motor call Fessler engines in Troy, Mo. 5 hp/ci for each motor) Here is the motor. I know the 377 (400 block, 350 crank) sbc is not a popular build, but the way I see it, it could be a fun motor. The 383 small-block recipe is one almost every enthusiast knows: mix a 0. The 377 is for the man who doesn't want the inherently low red-line of the 383, but it only makes sense to build one IF your going to take advantage of the increased potential (beehive springs, roller cam, lightweight retainers/valvesetc) , smaller engines can make the same power as bigger engines but they have to rev higher to do it everything is a compromise. All kits can be internally balanced. A great street/track engine because. generally when I build a 377,its going to be built to take advantage of the upper rpm power potential,of the 350 reasonably short 3. You may recall that in the beginning we built DM using the strongest parts around, just in case we ran. I just picked up a 377" sbc short block for my 57. CNC Competition SB Chevy 377 Dart Short Block, Eagle Crank, SRP 10. These rotating assembly engine rebuild kits are designed for street use and include Keith Black forged pistons, Scat 4340 Pro-Comp I-beam rods and a Scat 4340 forged crankshaft. Nowadays, 383 stroker assemblies built using a 4. The 377 is one of the bore and stoke things that just dont make any sence. For this build the heads are Dart 200cc runner castings hand-ported by a highly experienced and championship-winning head porter friend of Walters’. Chevy-Small Block; 377 Build; Welcome to Club Hot Rod! The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. CNC Competition SB Chevy 377 Dart Short Block, Eagle Crank, SRP 10. 95 Add to Cart SB Chevy 377, Dart Block, Eagle 4340 Forged Steel 3. 95 Add to Cart SB Chevy 377, Dart Block, Eagle 4340 Forged Steel 3. ” The idea would be to have a 7k+ RPM revving motor, with a cam that is power brake friendly. 125+ and will accept bigger valves and induction which increases upper end breathing and tends to reduce the lower end due to lower VELOCITY through the ports at lower rpm. I know the 377 (400 block, 350 crank) sbc is not a popular build, but the way I see it, it could be a fun motor. 880Open pressure: 377 lbs @ 1. I just picked up a 377" sbc short block for my 57. These assemblies will require balancing either by us or your machine shop. SBC CHEVY TURN KEY STAGE 2. Original talks were 3-5K for a long block 377 and 550-600hp. The earlier aluminum SBCs were not delivering any significant power increases so it was decided that more cubic inches were needed. 030" oversize due to age and mileage, so. All Scat 4340 cranks are 2-piece rear main. i think then you just use 400 pistons designed for a 6". About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. To build this much power from only 355 cid takes thorough planning and some stout parts. SBC 377 Rotating Assembly CNC-Motorsports offers the best selection of Small Block Chevy 377 rotating assembly kits. The intake runners started at an average of. The 377 is one of the bore and stoke things that just dont make any sence. After weighing your collective ideas a 377 SBC (4. CDW claims these engines make around 375 hp with the. It has the old style AFR Comp 227 heads. 3 HYDRAULIC ROLLER CAM 377 CUBIC INCH ENGINE 530 HP STREET ROD SETUP. the engine is a 377 sbc 400 block 350 crank 5. and building the 350 Chevy should have made. The 377 is for the man who doesn't want the inherently low red-line of the 383, but it only makes sense to build one IF your going to take advantage of the increased potential (beehive springs, roller cam, lightweight retainers/valvesetc) , smaller engines can make the same power as bigger engines but they have to rev higher to do it everything is a compromise. CNC Competition SB Chevy 377 Dart Short Block, Eagle Crank, SRP 10. 48 stroke it is 372 cubes (math = 372. 8919 Views 60 Replies 14 Participants Last post by wingnutks , Apr 29, 2017 V8luvin Discussion Starter · Apr 25, 2017 Looking. 377 Build Howdy Folks, I am getting excited over here. " The idea would be to have a 7k+ RPM revving motor, with a cam that is power brake friendly. Don't want to go higher than about 9. A 377 is what results when you have the right combination of leftovers and just need to slap something together- it's not something you should chase after. You can build them for high rpms while still having enough torque to move the car around at lower rpm. The earlier aluminum SBCs were not delivering any significant power increases so it was decided that more cubic inches were needed. 125" bore block, that block came with a 3. Two benefits to a stock block 377, first the stroke you removed will exponentially add to the life if the block when your in the 600 to 650 hp range. Chevy luv truck 3200lbs with fuel and me. These rotating assembly engine rebuild kits are designed for street use and include Keith Black forged pistons, Scat 4340 Pro-Comp I-beam rods and a Scat 4340 forged crankshaft. Want to make sure it still makes good torque at lower rpm. The kit includes just about everything we needed to complete the engine build. The large bore 400 block will support oversized intake valves if you really wanna get radical, too!!). Hi guys, What are your thoughts on a 4. CNC Competition SB Chevy 377 Dart Short Block, Eagle Crank, SRP 10. 75 crank the engine will make 45 pounds more torque automatically, plus , with the correct cam, it can make 25 to 40 more horsepower. You suddenly have bigger ports, valves, intake and exhaust systems. To build this much power from only 355 cid takes thorough planning and some stout parts. com Forums Technical Discussions Engine 377 sbc: Forums Calendar Active Threads: Previous Thread: Next Thread : Print Thread: 377 sbc #620076 11/06/08 09:44 PM. 7:1 Flat Top Pistons Learn More FREIGHT CHARGE CNC-9606-E PART NUMBER CNC Competition SB Chevy 377 Dart Short Block, Eagle Crank, SRP 13. Putting together a 377, here are the specs. 48 9000 crank Comp 818 SR lifter Crane SR cam, 256-264@50 288-296 adv 106ls 0. The 377 has a 400s block/bore of 4. Two benefits to a stock block 377, first the stroke you removed will exponentially add to the life if the block when your in the 600 to 650 hp range. Here's the exact engineI just don't have the $20k for it: http://www. SBC CHEVY TURN KEY STAGE 2. 7 rods, forged Speed Pro Pistons, World Sportsman 200cc iron heads with 64cc chamber and 2. 1984: Stock, for now1981: 408 pump gas small block, AFR 195 heads, NOS Big Shot, 700R-4, 9", 3" Torque Tech gas"-my bad,but i still wouldn't build a 377 with. 7 rods with dart pro 1 platinum heads 215 with 2. 3 HYDRAULIC ROLLER CAM 377 CUBIC INCH ENGINE 530 HP STREET ROD SETUP. With proper tuning this combo can get 18-19 MPG + in a 3. A 377 DE stroker (400 with 350 crank) is supposed to be a really high revving engine. Bearing spacers and "377" pistons are required, but aside from thet, they build up like any other small block. 48 stroke), but the advantage beyond the extra cubes lies with the bigger bore, which allows better cylinder. 5:1 domes world Sportsman heads that were HOGGED outlike 300cfm at. To build a 370, you would need a standard bore 400 block and a 3. 5 stroke crank with 400 mains so no need to run main bearing spacers. a properly assembled 377 will easily exceed 500 flywheel hp and have noticeably more torque than a similarly built 302, and before you ask it should be rather obvious that the engine built like that requires a. After a fair amount of research and the lack of good, cheap 400 GM cores, I feel like doing an aftermarket block is the best option. To try it out, we grabbed a BluePrint Engines 377-inch small-block with forged Scat guts (3. 75 crank the engine will make 45 pounds more torque automatically, plus ,. A great street/track engine because you have enough torque that you don't have to be perfect with your shifts but can still rev it up at the end of the straight (if you have the valvetrain). 030-inch, 350-based block with a 3. another fun option would be to get a crank from a 307 (same as a 327) and building the 350 Chevy should have made. yes you can build a 3. My buddy had a custom motor built here in town. 155-inch bore) and a boost-happy 9. 750-inch stroke creates a 377-inch stroker. How to Build a 377 Stroker 350 Chevy Small Block by Moss Strohem The small block Chevrolet engine has components that interchange readily among different versions and displacements. Click to expand Don't make the mistake of thinking that the 383 is ONLY a low rpm torque motor. 377 stroker - 13. Nowadays, 383 stroker assemblies built using a 4. Sbc 377 build. The 377 is one of the bore and stoke things that just dont make any sence. Building A 500hp Small-Block Chevy - 500 HP For Cheap 0. 6) and biggest intake ports (235-245cc), around a. I would really like to make more than 500 hp with this motor,I think my track1 heads can be ported enough …. A well built Powerglide or turbo 350 and 4. 60 stainless valves, chrome moly pushrods, aluminum full roller rockers, Comp solid lifter cam (250/60 duration @. Eagle has a street performer kit that is purpose built for a small-block Chevy 383ci stroker engine. 50 532/558 lift, Pete Jackson, Victor Jr intake w/850 Proform carb on top of a. A 406 cubic inch small block is one of the most popular choices for Chevy powered sportsman drag racers seeking strong reliable power at reasonable cost. 75 377 sbc? I've been considering building a 406 for my 57. 550 solid roller and all this in about an 11-11. Quench My Thirst With E-85! CDR Performance Posts: 147 Joined: Wed Mar 03, 2010. 155 bore splayed cap iron block and a set of heads that will flow over 300cfm wuth approx 210 runners, I am using a crower solid roller # 00434 Dur 262°/272° @. This recipe yields 377 inches when combined with a 0. Original talks were 3-5K for a long block 377 and 550-600hp. 5" stroke and the 400 sbc larger bore size youll want heads and a cam,design, that will allow the engine to breath, and the best durable rotating assembly made from forged components that will allow you to safely …. My buddy had a custom motor built here in town. Sbc 377 build. well in this one i now have the short block assembled. A 377 is what results when you have the right combination of leftovers and just need to slap something together- it's not something you should chase after. I just picked up a 377" sbc short block for my 57. If I restrict RPMs to around 6500 could a Hyd. 700 Super victor manifold cleaned up under carb pad. 875" or even a 4" stroke crank in the DART aftermarket blocks, something a stock 400 block won,t handle nearly as well from a strenght perspective as the castings far weaker, but I don,t see a significant gain in hp with displacements having a bore size over about 4. HP & Torque: 375 HP / 410 FT LBS ENGINE: 355 This engine is a mild idling High vacuum street engine for a stock stall converter automatic with big torque from idle to 5000 rpm it is Idea for a daily driver rod and deluxe comfortable show car. It will still be a 90% street car. HP & Torque: 375 HP / 410 FT LBS ENGINE: 355 This engine is a mild idling High vacuum street engine for a stock stall converter automatic with big torque from idle to 5000 rpm it is Idea for a daily driver rod and deluxe comfortable show car. They are great engines for light cars with manual transmissions. 48 inch crank in a Motown or Dart Little M block) sounds like an optimal combination. Bearing spacers and "377" pistons are required, but aside from thet, they build up like any other small block. generally when I build a 377,its going to be built to take advantage of the upper rpm power potential,of the 350 reasonably short 3. 00-inch stroke yielded 402-cubic-inches. A 377 is a good engine but, to say "what do you guys think about them?" is an impossible question to answer with the limited info you provided. Discussion Starter · May 9, 2017. Putting together a 377, here are the specs. To try it out, we grabbed a BluePrint Engines 377-inch small-block with forged Scat guts (3. This recipe yields 377 inches when combined with a 0. Pictured below is our turn key engine with the single plane intake. 23" from a 350 SBC you will have a 327, or. How many 377s have you seen with dual plane intakes??? They are correct:. Build your first stroker small-block the right way by following these important guidelines and tips. 377ci is my favorite sbc. The shorter stroke is supposed to tend to make this a better high rpm engine, but that is splitting hairs. 5-1 compression, SCAT steel crank, 5. Careful planning and the right mix of parts can push the power close to 700 HP without exotic or costly components. a properly assembled 377 will easily exceed 500 flywheel hp and have noticeably more torque than a similarly built 302, and before you ask it should be rather obvious that the engine built like that requires a proper quench and some bowl & chamber work and un-shrouded valves and its very unlikey to run on high test without some octane booster. One combination is to install a 350ci engine crankshaft in a 400ci engine block, which is overbored. The build consists of a 416 cid iron block LT engine, capable of making 2,000 horsepower in a forced induction application. 73 geared overdrive 3400 Lb auto. 700 with the right rockers) 109* this engine would probably have went 8000rpm easy, but I NEVER took it there. The engine for it is a dry sump, high-rev (8k) 377ci aluminum SBC (Brodix?) to make between 600-700 bhp and 450-550 Ft TQ. At standard 400 bore size of 4. 75 for long cruises 4 link Muncie m20. 48 = 377 (math = 377. Discussion Starter · Oct 8, 2005. Ed I looked at the BRC site and was impressed with their prices on cranks and pistons for my app. 030" oversize due to age and mileage, so 4. 650 (don't know the rpm limits) hurricane intake. 652 net lift AFR210 head flow 310-225@0. Here is a 406 that I would consider. 75-inch-stroke crank cost the same to build as 350-based engines. (Just be sure to use 400 sbc heads, or heads with the 400 sbc "steam holes" drilled in them. the engine is a 377 sbc 400 block 350 crank 5. 000-inch bores of the 350 plus the 3. 05), most blocks need to be bored to. All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs. and you could probably be in about the same price range as building the 377 to that kind of HP. of torque! Like, comment and SUBSCRIBE f. Two benefits to a stock block 377, first the stroke you removed will exponentially add to the life if the block when your in the 600 to 650 hp range. Chevy luv truck 3200lbs with fuel and me. The streetable version of the 572 has 620 HP and the race version has 720 but you have to. To try it out, we grabbed a BluePrint Engines 377-inch small-block with forged Scat guts (3. Motown block, forged Ohio crankshaft, 6" Manley rods, forged Ross pistons. This is a combination becoming extremely popular for high output (1,500+ hp) engines in the latest model GM vehicles. 377 Build Howdy Folks, I am getting excited over here. The shorter stroke is supposed to tend to make this a better high rpm engine, but that is splitting hairs. We offer street kits with pump gas pistons to wild fully forged lightweight rotating assembly kits to meet your racing needs. Re: 377 sbc build questions Post by BigBro74 » Tue Jan 07, 2014 8:03 pm scat makes several flavors of 3. SBC 377 Rotating Assembly CNC-Motorsports offers the best selection of Small Block Chevy 377 rotating assembly kits. 750-inch crankshaft from a 400 engine to deliver the long-strong combination. got a 30 over 400 small block-- 350 crank and plan on running 76cc heads---figure I will need dome pistons to get about 9 to 1 compression. as others have said, unless you have a darned good reason, and the only one I can think of would be a race rule requirement, never give up cubes. Careful planning and the right mix of parts can push the power close to. 50 532/558 lift, Pete Jackson, Victor Jr intake w/850 Proform carb on top of a …. a properly assembled 377 will easily exceed 500 flywheel hp and have noticeably more torque than a similarly built 302, and before you ask it should be rather obvious that the engine built like that requires a proper quench and some bowl & chamber work and un-shrouded valves and its very unlikey to run on high test without some octane booster. On the other hand, the even larger 406ci. SBC 377 Rotating Assembly CNC-Motorsports offers the best selection of Small Block Chevy 377 rotating assembly kits. 377ci is my favorite sbc. In relation to the displacement, everything breathes easier. How to Build a 377 Stroker 350 Chevy Small Block by Moss Strohem The small block Chevrolet engine has components that interchange readily among different versions and displacements. I dont think a 377 destroker would be very friendly on the street. 7:1 Flat Top Pistons Learn More FREIGHT CHARGE CNC-9606-E PART NUMBER CNC Competition SB Chevy 377 Dart Short Block, Eagle Crank, SRP 13. Both of these are highly capable sizes. The parts your describing sound more like a 380 depending on your block. See more Reply Save Like techinspector1 · #6 · Jan 20, 2015 (Edited) 400 SBC with L31 Vortec cast iron heads This combo is best at building a lot of torque in the 3,500 rpm range. A 406 cubic inch small block is one of the most popular choices for Chevy powered sportsman drag racers seeking strong reliable power at reasonable cost. I have just recently acquired a World Motown block and a few other parts and decided I am bound and determined to build a sbc that will compete with my blown 502. The second picture further down in the ad shows it with the optional dual plane intake.