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Help with pistons plz!

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Old 07-27-2014, 06:14 PM
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Default Help with pistons plz!

I am rebuilding my 408 and was wanting to up the compression this time. I picked up a new set of diamond nitrous dome pistons part #11562 at a swap meet and was wanting to know if they will work with my 243 heads? Did some searches and couldn't find much. Thanks for any help
Old 07-27-2014, 07:23 PM
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10cc is a lot. That's going to put your CR over 13.5:1
Old 07-27-2014, 07:32 PM
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Yea should be right at 14:1
Old 07-27-2014, 07:38 PM
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Could always get L92 heads or are you burning something besides 93 octane
Old 07-27-2014, 07:53 PM
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Yea I will run race gas.. I can get 100 at the pump here where I live or 110 at the track... Keeping my 243 heads they are highly ported and flow extremely good
Old 07-27-2014, 07:58 PM
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Don't want to change heads to lower the compression.. Already sits at 12.5:1 now with the flat tops that's in it.. Just picked these up cheap and want to raise the compression some.. Guess I will just have to put one on a rod and install it to check ptv clearance and make sure everything clears



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