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Thread: Need help with Vortec heads
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04-08-2010 #1
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Need help with Vortec heads
I know this isn't the right forum but there hasnt been alot of traffic in the exhaust forum and I need help quickly. Please forgive me.
I just built a mild 355 with Vortec heads for my 64 Chevelle and I cant get the headers to seal for the life of me. Has anyone been through this and can anyone recommend a specific gasket that will seal the rounded square exhaust ports on the heads to the oval ports on my headers?
I have tried several types, aluminum, copper, etc with no luck.
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04-09-2010 #2
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Have you tried a little hi-temp gasket sealer? Also, if your header flange isn't perfectly flat, you will have problems.
04-26-2010 #3
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what headers? I dont ahve any problem with mine
1971 El Camino PT, SC&C, TBJ, UMI bars, UMI LCAs, Hotchkis, C5 brakes, VWW V48s
"Project Inferno"
04-26-2010 #4
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It seems to me you may have a bent header flange. I had them on a 77 Chevy Truck and standard headman headers without issue.
Tim Tracy
68 Camaro 496 / T56 - Never Finished
68 Camaro Real Z/28 - Under Restoration
67 Camaro Project - Never going to have time
04-28-2010 #5
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Have you tried those "Percy's" brand multi-layer aluminum gaskets ?..
They work great on my engine..
Of course, I don't have vortec heads..Jeff Tate
U.S.A.
"The best thing about participating in these events is that you get to hang out with a group of intelligent like minded people who live to achieve things in their lives. You won't find a lazy, mean, or dumb bone in their bodies." Bret Voelkel, RideTech
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