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RedRocket00
10-08-05, 03:13 PM
i have a 97 4.3l, and i have some homemade manifolds, that i have bought, and i just figured out, they dont fit. so, what i was wondering, will sy/ty manifolds fit on vortec heads? if so, that would help me out with the manifolds.
j894
10-08-05, 06:11 PM
Nope '96 and newer heads are different.

Check out these threads, they will help you get one that will fit.

http://www.sicgmtrucks.com/forum/showthread.php?t=1&highlight=manifold


http://www.sicgmtrucks.com/forum/showthread.php?t=2445&highlight=manifold
gotswrv
10-09-05, 12:07 AM
You have exhaust or intake manifolds???
RedRocket00
10-09-05, 12:20 PM
i need exhaust manifolds. sorry about that.
biglouie_underpressure
10-09-05, 02:14 PM
what kind of manifold do you have that don't fit? any pics?
RedRocket00
10-09-05, 03:16 PM
i dont have any pics. but i have some home made manifolds that i bought off ebay, that said, they came off of a 4.3l s10. but after i bought them, i found out they came off like a pro drag truck.
Sparky2263
10-09-05, 09:48 PM
Wanna sell one?
RedRocket00
10-09-05, 10:14 PM
yea. im planning on selling the manifolds, turbo, and downpipe, that it came with. i think it came off like a pro stock drag truck or something. because, it places the turbo on the totally wrong spot on my truck. w/e it came of, proly had like a tube fram or something with out fender wells.
94s10
10-09-05, 10:29 PM
stock syty exhaust manifolds will bolt up to vortec heads no problem. there are also a few companies that make tubular headers, but they are pricey
RedRocket00
10-09-05, 11:03 PM
yea, thanks alot. i wasnt gonna put manifolds on there, i just wanted to know if manifolds will fit, cuz if they will, i will buy a nice set of tubular manifolds. will the sy/ty crosspipe work too?
94s10
10-09-05, 11:11 PM
on the stock manifolds yes. if you buy tubular ones from say ATR, then they will come with a new crossover pipe. i know for a fact the stock cross over will clear the accesories on 95 and older s10's. i am pretty sure they will clear the newer accessory postions as well
RedRocket00
10-09-05, 11:37 PM
are the atr tubular manifolds any good? they are really expensive compared to some used manifolds. and i just dont want to spend money like that on something that might crack.
94s10
10-09-05, 11:39 PM
i have no experience with them personally, just what i have read. i would go to syty.net and do some searching on them.

FYI stock manifolds can be bought for around 300
lamerboy
10-14-05, 04:40 PM
They fit.

http://www.jhbi.com/s10rz350/turbo/manifold2.jpg

http://www.jhbi.com/s10rz350/turbo/manifold3.jpg

http://www.jhbi.com/s10rz350/turbo/manifold4.jpg
gotswrv
10-17-05, 04:54 PM
I've been told the only item of fittment is that a support bracket for PS is lost. But that same guy said he had K's of miles and a few month without issue not having the bracket on.
lamerboy
10-19-05, 08:43 PM
I've been told the only item of fittment is that a support bracket for PS is lost. But that same guy said he had K's of miles and a few month without issue not having the bracket on.

I heard the same thing from xtreme43. Some say the rag joint on the steering shaft gets in the way, another said it didnt. Worse came to worse a steering shaft from a cherokee will fit with minor adj and has a univ joint.