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Ring gap


TEACHER

Member
Joined
Dec 18, 2018
Messages
15
City
Alabama
Vehicle Year
1994
Transmission
Manual
Anyone know what the ring gap should be for my 4.0 ohv . Adding Paxton about 6 lbs max on ported heads.Or where would a person find that info.
 
Are you running pump gas or e85 or something to that nature. Pump gas will run hotter cylinder temps but I doubt your rings will hit with 6 pounds of boost.
If you were trying to run 15 psi or something then I would go .020 top and .016 bottom my buddy ran that on a supercharged 302. Just remember the bigger the gap the more blowby.
 
Last edited:
No problem let us know how everything goes.
 

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