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Old 04-07-2017, 11:36 PM   #11
randy500
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Join Date: Jul 2016
Location: Tacoma, WA
Posts: 6,873
Re: Corvette Big Block Exhaust Manifolds fit!

I'm so disappointed....
Installed the RH manifold tonight and it bolts right in but...

It dumps straight into the frame over the top of the rear brake line.

Its not even like you could notch the frame a little, you would have to remove almost all of the lower flange and move the brake line.

I am going to lay it out on the bench and see if it could be angle milled at the head to create enough clearance which seems doubtful and expensive.

I will post back after I determine how much clearance can be gained by angle milling.
I will drag out my steel top bench, clamp down the manifold, measure the height at the exit, then calculate the max angle to be milled, then shim it up, clamp it down and see what can be gained.
The manifold clears the motor mount and has plenty of starter motor clearance so angle milling could work.
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