edelbrock performer rpm??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

69heavychevy · 03-16-2008, 04:49 AM

i was cleaning up the manifold before it went back on the truck. i started picking at what i thought were clogged coolant passages on the rear. well it turns out the are actually blocked off. i found when i started drilling and hit a aluminum wall. are they supposed to be like this?

wibilly · 03-16-2008, 05:01 AM

there are no coolant passages on the back of the manifold

69heavychevy · 03-16-2008, 05:13 AM

oh, i just figured there was since there is some on the heads

berencam · 03-16-2008, 05:18 AM

yup mines the same way.

71big block · 03-16-2008, 05:28 AM

The heads have the holes on each end so that they can be used on either sidem intakes only have the cooling passages on the front

03-16-2008, 04:49 AM	#1
69heavychevy Registered User Join Date: Jan 2007 Location: Garland,TX Posts: 431	edelbrock performer rpm??? i was cleaning up the manifold before it went back on the truck. i started picking at what i thought were clogged coolant passages on the rear. well it turns out the are actually blocked off. i found when i started drilling and hit a aluminum wall. are they supposed to be like this?

03-16-2008, 05:01 AM	#2
wibilly Senior Member Join Date: Nov 2005 Location: northwestern wi Posts: 2,111	Re: edelbrock performer rpm??? there are no coolant passages on the back of the manifold __________________ common sense isn't so common anymore

03-16-2008, 05:13 AM	#3
69heavychevy Registered User Join Date: Jan 2007 Location: Garland,TX Posts: 431	Re: edelbrock performer rpm??? oh, i just figured there was since there is some on the heads Last edited by 69heavychevy; 03-16-2008 at 05:14 AM.

03-16-2008, 05:18 AM	#4
berencam Registered User Join Date: Aug 2007 Location: branson mo Posts: 933	Re: edelbrock performer rpm??? yup mines the same way. __________________ 69 chevy c10 350 3 speed manual wood bed build thread here r.i.p. 70 c10 auto 350 build here

03-16-2008, 05:28 AM	#5
71big block 1971 GMC 3/4 ton, 572 CID Join Date: Aug 2007 Location: Green Bay, WI Posts: 293	Re: edelbrock performer rpm??? The heads have the holes on each end so that they can be used on either sidem intakes only have the cooling passages on the front __________________ 71 GMC 3/4 572 CID, 1988 GMC 1/2 2006 Saturn Vue "We always have parts left over on a job this size"



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.