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11-06-2012, 11:31 PM
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#1 |
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Registered User
Join Date: Aug 2010
Location: Olathe, KS
Posts: 61
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What Exhaust Manifolds on the Square?
Hi all, I'm tired of the headers I have on my 78 C-20. 1978 C-20, 350, TH-400, 4.10. I am wanting to go to an set of exhaust manifolds. Has anyone used ram horm style manifolds on their square? Any clearance problems? Which manifolds flow the best? I know it might be a step back in performance, but I am tired of the leaks, etc. that these headers are prone to.
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1982 C-20, 454, TH-400, PS, A/C, 71,000 miles 1978 C-20, 350, TH-400, PS, Non-A/C, 112,000 miles If it ain't broke, there is still probably room for improvement.  Speed costs money, how fast do you want to go? Last edited by i8tokyo; 11-06-2012 at 11:49 PM. |
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11-07-2012, 08:34 AM
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#2 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: What Exhaust Manifolds on the Square?
Hi I use reg "log" manifolds
easier to find I run no heat riser,and grind out air bumps inside 79 4X2 below for more
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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11-07-2012, 09:09 AM
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#3 | |
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Account Suspended
Join Date: Oct 2012
Location: phx, az
Posts: 868
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Re: What Exhaust Manifolds on the Square?
Quote:
sanderson makes some nice cast headers like you are lookin for. ram heads will work great also |
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