383 stroker vs 400 sbc. Chevy Forums FREE technical assistance for your restoration and repair. Chevy 383 Stroker vs. 750" Stroke - 5. Mar 15, 2012 · If you've already got a 383, really not seeing much difference going to a 400. 3. 030", if at all possible . Street engine , 383. Oct 11, 2004 · Of course the 400 is the better motor; it's more inches, and it's just a bolt-together since it's already there, no clearancing or special parts or anything. My neighbor had a 1965 Newport with a 383 2-bbl that could really move out for a big car. I do not want to overbore more than . Know a couple guys running 406's, and can't say I'm at all impressed. 030" Bore X 3. May 19, 2007 · I am aware of the 383 vs 406 Arguments . Assemble and enjoy. 400 Small Block – the ultimate showdown! Which engine truly earned the title of the king? In this video, we compare the performance, power, and history of these two Mar 9, 2025 · In addition to more cubic inches, the longer stroke, higher piston velocities, and quicker fuel mixture burn times allow the 383 stroker to make more power than the 350 small block. Oct 18, 2025 · We break down performance, power, reliability, and mods to see which Chevy small block deserves the crown. May 5, 2015 · If the block is good on the 400 use it as a 400, if the block is bad 350 blocks are almost free, a 383 still has a lot of torque, but there is so much that depends on the parts you put in it. The 383 was pre-smog, but had strong torque output. Feb 2, 2004 · OK, in the opinion of everybody here, what is the better street motor, a 383 or a 400? Take into account the strength of the motor, availability of parts, reliability and power. The 400 block is known for cracking. Haven’t yet chosen cam or top end but definitely choosing carb, with CC. 2 383 Super Stroker engine, setup for street use with the AFR/NKB heads, and able to run premium pump gas. 7" Rods Dec 21, 2008 · 383 advantage the 383 will be able to withstand more torture from heating. HOWEVER, let me introduce the combos I am considering: 383 cid - (350 Block) 4. As with any build, really a combination of the right parts, head work, and how the whole package is dialed in. We have achieved 550 hp in our Stage 2. I see that the 383 stroker is a popular mod. Feb 2, 2017 · The 1972 400 was a cleaner 'smog' engine and could be fitted with an EGR valve and/or air pump if needed. Dec 21, 2008 · 383 advantage the 383 will be able to withstand more torture from heating. I am mainly concerned about the 350 Block vs 400 Block strength and overheating issues . Aug 21, 2001 · C3 Tech/Performance - 400ci Vs 383 - Since getting my 72 i have been exploring many ways in which to improve performance. Model specific subject matter experts, classified ads and more. Building a 383 stroker with a set of fully worked aluminum corvette heads, 1st tpi intake, lpe219 cam by lingifelter we have edelbrock headers now but bought a set of SLP 1-3/4 headers will it be better to use those over the edelbrocks Feb 2, 2004 · OK, in the opinion of everybody here, what is the better street motor, a 383 or a 400? Take into account the strength of the motor, availability of parts, reliability and power. Feb 2, 2026 · When combined with a 383 stroker engine, the horsepower and torque numbers increase dramatically. 75 stroke, 6” forged rods, flat top forged pistons. . Perfect for car enthusiasts and engine lovers!. From the torque-rich power delivery of the 400 to the high-revving punch of the 383 stroker, we compare specs, reliability, tuning potential, and cost so you can decide which is the ultimate small Chevy Forums FREE technical assistance for your restoration and repair. 9K views 14 replies 11 participants last post by tfultz Nov 25, 2005 P Chevy Forums FREE technical assistance for your restoration and repair. If i was going to race , i'd go with the 400. Feb 3, 2026 · I’m building a 383 sbc stroker, targeting street mid range (not over 5k rpm). Nov 23, 2005 · Should i get a 383 stroker or a 400 small block Jump to Latest 9. qyx giv iaj mhb deo tqe zql uoo sro pxu uvi xnn ohq tbq jou