To: | trunkie@hotmail.com, RHDSprite@cs.com |
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Subject: | Re: HELP with rings etc. 1275 midget (and a new car!) |
From: | HealeyRic2@aol.com |
Date: | Tue, 1 Jun 1999 19:01:01 EDT |
Cc: | spridgets@autox.team.net |
Reply-to: | HealeyRic2@aol.com |
Sender: | owner-spridgets@autox.team.net |
I've checked some old Special Tuning catalogs. Flat top pistons 20 over on a 1275 will give 12:1 compression, plus Barry's head has been skimmed which will raise the CR some more. I've had pop-ups in my 948 at 11.5:1 using pump 89 octane plus octane boost. Peter C. is going to try to ID the pistons through the casting #s. Vizard's books say that the "W" piston is not high performance and isn't good over 6000 rpm. I have to wonder what the original application for these pistons are if they're not high performance but are giving 12:1 CR?. Rick |
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