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12-20-2004, 03:11 PM
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#1 |
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Registered User
Join Date: Aug 2001
Location: Bozeman, Montana
Posts: 243
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Exhaust manifolds for Vortec heads?
I know this must have been covered a bunch of times....wish I knew how to search past threads.
If I switch to Vortec heads can I use my stock exhaust manifolds? I know I need a new intake, just can't remember about exhaust. My truck has about 40,000 on a crate motor and me thinks the valve guides are leaking oil into the cylinder heads, making starting it a bit rough especially when its cold. Instead of fixing that, why not get some used Vortecs!? (Will my wife buy this?) If I just want decent stock performance does anyone know what head numbers I should look for (not concerned about high lift cams). Thanks again.
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'72 GMC 1/2T 4x4 1500 Super Custom pickup (current) past rides were: '70 Chev 2wd farm truck '71 GMC 2wd 1/2T 402 nice! '72 Chev 2wd 1/2T 396 '72 GMC 3/4T 4x4 2500 Super Custom suburban. Bozeman, Montana |
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12-20-2004, 05:37 PM
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#2 |
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Registered User
Join Date: Feb 2003
Location: Mesquite, Tx
Posts: 396
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Not sure on casting numbers, but they were standard issue on 96-98 trucks. You may need guided rockers as well. I'm using headers with mine, but I'm pretty sure your manifolds will bolt up.
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GM 330HP/350, Magnuson 122HH, Tremec TKO 5spd |
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12-20-2004, 08:13 PM
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#3 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,510
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Your original manifolds or any headers that are designed for the original V8 in your chassis will work.
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Tim |
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