#5 Running Hot - Page 2 - Chevelle Tech
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post #16 of 17 (permalink) Old Jul 16th, 19, 3:23 PM
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Mr Bill
Join Date: Aug 1998
Location: Waldorf Md. USA
Posts: 12,568
Re: #5 Running Hot

I have never liked the Edelbrock gaskets. Get a set of Fel Pro performance ones. You should not need to use anything with them other than a little rtv around the water passages. I have seen guys use rtv around the intake ports and the stuff is so slippery that the gasket moves and causes a leak.

This is way out there but I think #5 and #7 cylinders are the two that are prone to cross-firing ? Are the wires going to those two cylinders well separated and where they cross they do so at a 90 degree angle ? Like I said that is way out there but you never know.

Bill Koustenis
Advanced Automotive Machine
Waldorf Md

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post #17 of 17 (permalink) Old Jul 17th, 19, 10:50 PM Thread Starter
Tech Team
Join Date: Jun 2013
Location: Columbus, OH
Posts: 130
Re: #5 Running Hot

thanks everyone, i'll review the following this week-end:

- spark plug cross over (new MSD wires on and new separators but it's an easy check)
- pull the plug check it
- check booster for leak by plugging port
- re-measure temps
- check timing
- let cooldown
- re-check valve lash

I think the gasket is fine, given that most people don't recommend sealing them with RTV, and all the other cylinders are fine.
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