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Join Date: Aug 2014
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Compression ratio advise

Posted over on technical but didn’t get any answers.

Hi. I’m about to start rebuilding my 3.0SC, I’ve already got some 98mm cylinders that are going for a re plate and hone , I’ll get the cams reground to suit whatever o need but I’m looking at new 98mm pistons, 70.4mm stroke and 22mm pins. I like the price of Wossner but their 11.1 CR is too high “possibly, Carrillo do a 10.1 and JE have several but are a bit more money. I’m UK based so import costs are steep but petrol octane is high so I can get away with higher CR. I’ll be fitting carbs, either PMO or Webber’s. I would like some solid advise on piston choice and CR for my needs. Thanks in advance.

Old 01-29-2022, 12:29 AM
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Location: Royal Oak, Michigan
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I'm seriously considering the Carrillo 10.5 CR pistons for my 3.2L SS

David
Old 02-01-2022, 10:43 AM
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Originally Posted by Harpo View Post
I'm seriously considering the Carrillo 10.5 CR pistons for my 3.2L SS

David
Are you going to twin spark ?
Old 02-01-2022, 01:30 PM
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I think there is another thread also

Old 02-01-2022, 07:54 PM
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