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valley firearms · 11-25-2006, 09:43 PM

I found the receipt from the engine builder. He listed the pistons as 1157 .040. I did a search for 1157 pistons and this is what came up.

http://www.kb-silvolite.com/spistons...tails&S_id=121

As you can see there are some cuts in the pistons. Would it be safe then to assume that one could use a 2.02 valve or 1.7 rocker if needed?

11-25-2006, 09:43 PM	#4
valley firearms Registered Member Join Date: Sep 2005 Location: alaska Posts: 16	Re: A question for the HEAD DOCTOR I found the receipt from the engine builder. He listed the pistons as 1157 .040. I did a search for 1157 pistons and this is what came up. http://www.kb-silvolite.com/spistons...tails&S_id=121 As you can see there are some cuts in the pistons. Would it be safe then to assume that one could use a 2.02 valve or 1.7 rocker if needed?