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Posted

if i get an rdz head would i still be able to run pump gass and what domes should i use

20 or 21 cc domes if you have a stock motor and want to run pump

Posted

20 might be pushing it...21 should be safe.

The only way to know for sure is to check compression when done.

anything more than 150ish could require a mix, more than 165 is all race gas.

 

Now...this is sea level readings....higher altitudes can get away with smaller domes and pump gas.

 

Better safe than sorry here...

Posted

20 might be pushing it...21 should be safe.

The only way to know for sure is to check compression when done.

anything more than 150ish could require a mix, more than 165 is all race gas.

 

Now...this is sea level readings....higher altitudes can get away with smaller domes and pump gas.

 

Better safe than sorry here...

 

 

I agree! If you are close to sea level and want to run pump gas, go w/the 21's

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