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View Full Version : Question for chevy ppl


jew_boy
07-01-2008, 10:16 PM
ok i just recently bought a 91 S10. it has a 2.8 v6. anyways does anyone know if the 4.3 vortec heads are able to go on the 2.8
Slomaro Z28
07-01-2008, 10:27 PM
Not sure, but with some work a 350 will drop in there.
jew_boy
07-01-2008, 10:31 PM
nah im not really sure if i want to do a V8 swap to this truck. im kinda wanting it looking clean with the stock motor. but im getting another S10 in about 2 weeks that needs a crank kit i might just do that seeing that i have a complete 305 sitting in my garage
Slomaro Z28
07-01-2008, 10:34 PM
Yeah, when I had my integra I got smoked by a S10 w/ a SB in it......should've known when he a set slicks on the rear. He was fast tho.
jew_boy
07-01-2008, 10:47 PM
yeah they got some power i got a friend running 11's with a semi-built 350
dorin48
07-02-2008, 09:50 AM
From what I can tell the first gen longitundinal 2.8l v6 was an isuzu produced motor. Obviously the 4.3l wasn't so I would say no on the head swap working.
blackshine007
07-02-2008, 05:56 PM
ok i just recently bought a 91 S10. it has a 2.8 v6. anyways does anyone know if the 4.3 vortec heads are able to go on the 2.8
That engine is part of GM's narrow angle OHV series V6 engines. If you need a better head, look into the heads off the 3.1& 3.4L Minivan engines. They flow better.


BTW, the 4.3L is nothing but a 350 chevy minus 2 cylinders.