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Intake and Exhaust Manifold Heat Range?

Started by EAM 17806, January 17, 2010, 11:53:41 AM

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EAM 17806

January 17, 2010, 11:53:41 AM Last Edit: January 18, 2010, 03:05:37 PM by EAM 17806
A POINT OF INTEREST!:  What is the maximum heat range an intake and exhaust manifold should reach in Cadillacs and other GM cars and still run good.  Do they ever reach 1000F. Just curious!  EAM
Ev Marabian

1976 Cadillac Coupe DeVille, 1989 Chevrolet Caprice Classic, 1990 Pontiac Bonneville and 1996 Buick Skylark

TJ Hopland

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January 17, 2010, 02:03:01 PM
Intakes should not get much over maybe 300*F  A cast exhaust manifold can fairly easily have surface temps in the 300-500*F range on a stock motor.  I would imagine forced induction could get higher and diesels will run a bit higher but 1000 seems quite high.
73 Eldo convert w/FiTech EFI, over 30 years of ownership and counting
Somewhat recently deceased daily drivers, 80 Eldo Diesel & 90 CDV
And other assorted stuff I keep buying for some reason
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