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Join Date: May 2007
Location: El Centro, CA
Posts: 260
SINGLE PLUG 10.5cr 3.0 CIS MOTOR

I WANT TO BUILD A 3.0 ENGINE USING 10.5 cr JE PISTONS AND S CAM AND WEBER 40

CAN I GET AWAY WITH SINGLE PLUGGING THIS ENGINE USING CALIFORNIA 91 GAS?

Old 04-13-2013, 07:23 AM
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El Centro is hot... I wouldn't. 9.5:1 max on single plug would be my recommendation.
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Old 04-13-2013, 07:57 AM
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Join Date: Jul 2001
Location: Portland Oregon
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Quote:
Originally Posted by greyes59 View Post
I WANT TO BUILD A 3.0 ENGINE USING 10.5 cr JE PISTONS AND S CAM AND WEBER 40

CAN I GET AWAY WITH SINGLE PLUGGING THIS ENGINE USING CALIFORNIA 91 GAS?
Nossir,....thats a sure-fire recipe for buying new pistons again very soon.

10.5:1 on single ignition requires race gas, especially in warm weather.
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Last edited by Steve@Rennsport; 04-13-2013 at 02:31 PM.. Reason: schpeling errir
Old 04-13-2013, 08:13 AM
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Wow.! Thanks for the useful info.

Old 04-13-2013, 02:16 PM
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