I wonder how much difference there is between 9.5 and 9.0 compression.
I could bump it up.
As a daily driver, I prefer not to have to run premium.
Al
----- Original Message -----
From: "Foster, Stan" <stan.foster@hp.com>
To: "Alan Salvatore" <tr6parts@charter.net>; <triumphs@autox.team.net>;
"6pack" <6pack@autox.team.net>
Sent: Friday, June 13, 2008 11:08 PM
Subject: RE: [6pack] Compression boost
My understanding is that you can go at least as high as 9.5:1 or perhaps
9.6:1 and still be fine on regular gas. At least I hope so, I had my head
and block machined for 9.6:1 based on that assumption. It would not ruin my
whole day if I had use a higher octane however.
Stan
I am in the process of rebuilding my 76 motor.
I had it bored out 20 over and got a G2 cam, aluminum flywheel.
I couldn't decide what to do with the head. I just left it at the machine
shop and am going to have it milled for
9 to 1 compression.
The nice thing about the 7.5 to 1 compression was that it ran on regular
gas.
Not to sure what effect the 9 to 1 will have on gas requirement;
or if I just should have bumped the compression even higher.
Al
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