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nobody special 10-14-2012 04:19 PM

94 s15 build
have 86 454 fron 1 ton truck and 87 350 from 1/2 ton truck. either one any good to build

techinspector1 10-14-2012 04:28 PM


Originally Posted by nobody special (Post 1599113)
have 86 454 fron 1 ton truck and 87 350 from 1/2 ton truck. either one any good to build

Both motors are good builder material. Is it your intention to do a swap into the S15?

nobody special 10-14-2012 04:47 PM

thats my plan. have 624 marine heads, heard no good. what about crank and rods from same marine 350

techinspector1 10-14-2012 06:19 PM

Unless you have considerable experience with engine swaps and setting up driveline and suspension systems, I would not recommend using a BBC in this little truck. A well-built SBC will move it along in fine style. Here are 109 dyno-tested SBC combinations built with static compression ratios that will be compatible with pump gas. Take a look through them and you'll begin to see what works with what.....
Ryan's Stroker Combo Page (108 and up!)
If I lived close to you, I'd bring my sledgehammer over to your place and smash those 624 heads so that nobody would ever make the mistake of using them again.

Here's a conversion manual that I highly recommend you reading before you ever pick up a wrench......

nobody special 10-15-2012 07:50 PM

found same heads (624) on my 80 3/4 truck. thats whats wrong with it. lost 1 cyl each side. thanks for info. prob put 454 in that

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