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Y Pipe Chevy Van G20 1971-1977
#775365 April 30th 2021 9:26 am
Joined: Oct 2012
Posts: 206
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Does anybody know if the stock Y Pipe for a 350 (carbureted) Chevy engine will fit a Chevy 305 (carbureted) engine?

Walker Muffler only has 1979-75, 350 Chevy listed: #40548


Thanks,


shift


"KEEP ON TR-R-RUCKIN'!"
Re: Y Pipe Chevy Van G20 1971-1977
Callahan #775368 April 30th 2021 10:48 am
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Are you running the 305 exhaust manifolds or the 350 manifolds?

I would think the two Y pipes are completely different as the exhaust manifolds are quite a bit different as to where the outlet end sits exactly in relation to the block. Dipsticks are on opposite sides as well, so that changes the manifold shapes a little as well.

I would highly recommend taking it to an exhaust shop and doing away with the Y pipe and switching to duals anyway. That will let your motor open up and breathe so much better.


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Re: Y Pipe Chevy Van G20 1971-1977
kursed #775387 April 30th 2021 6:26 pm
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Good advice.

Thanks,


"KEEP ON TR-R-RUCKIN'!"
Re: Y Pipe Chevy Van G20 1971-1977
Callahan #775455 May 01st 2021 1:29 pm
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Anytime man, keep us posted on what you end up going with. Enquiring minds want to know.


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