Quote:
Originally Posted by Tx Firefighter
The original manifolds didn't need this since they were married to the exhaust manifold and the heat conducted up into the intake this way. Your aftermarket aluminum manifold won't have that option.
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Went to the Link sent by 68gmsee and just as explained; my aftermarket has had a tube (nicely) welded to the bottom but then coolant lines aborted. It appears I may have found the answer to my 292's sluggishness. I will reroute the coolant lines to run through the tube and see how it goes.
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Chevy Iron
Fully customized 1968 C-10 Stovebolt 292, T-5 trans 3:73 posi
Wife says it's a "midlife crisis".....I'm okay with that.