Chevelle Tech - View Single Post - Tune up specs for a 454...
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post #1 of (permalink) Old Apr 18th, 19, 8:01 AM Thread Starter
hydro462
Senior Tech Team
Jeff
 
Join Date: Jun 2009
Location: Pittsburgh, Pa.
Posts: 2,053
Tune up specs for a 454...

I want to tune my totally stock, low mileage 1978 454 in my 69 el Camino.. It has #336781 heads that have never been off. The engine has about 30,000 miles on it..

I use 87 octane, it has a Turbo 400 with a 2:87 rear end. It is 100% street driven...

It has a factory HEI distributor and I am using Atlas C36R4 plugs these cross with Autolite 25 plugs...

What would be good specs to tune it to?

It runs real nice now, doesn't ping at all and I want to keep it that way.. Thank you..
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