Chevy 434 Stroker Engine EFI Pump Gas Dyno CNC-Motorsports Chevelle Camaro Nova S10 Monte Carlo
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Uploader Comments (cncmotorsports)
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All Comments (8)
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Is that a Mass-flo efi? That is what Im using on my 421 I got from cnc through ken@portage in Canada.. works good and I'm slowly getting the tuning idea
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You have to have a 400 block, 6" rods, 4" stroke crank and get the block machined to fit a 4" stroke crank, and then have it punced .030 over.
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You can make a 454 small block stroker, but you have to use a dart tall deck Iron Eagle block.
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Is .0015 a good rod bearing clearance for a 434? I was having a debate with someone on that
TheTkirk 1 year ago
@TheTkirk
.0015 is way to tight. We generally go .0025 .003 on the rods and mains.
cncmotorsports 1 year ago
Hi guys, I'm currently thinking of commissioning a motor build from you. How much torque/ hp can you expect with either AFR competition 195's or AFR competition 235's on the 434 sbc above at 9.0-1 CR ?Thanks.
allroundpower 2 years ago
Depends on what camshaft, 210s work the best, 227's will only work with 13.0:1 and a huge roller cam and you need to spin it 8000 rpm.
For street a engine the 210s are the best, they make the best torque and horsepower curve.
cncmotorsports 2 years ago
hi i have an small block 400 2 bolt main i got out of the junkyard from a 1971 impala i was wondering can i turn it into a 434 stroker or do i have to buy the dart block this will help me out on my discision
7066481212 2 years ago
You can turn it into a 434, but we would recommend buying the dart block, The SHP block has been working really well for us in mild applications.
cncmotorsports 2 years ago