[Fot] Proper race fuel

[wgrosenbach at juno.com]

Jim,I talked with Unocal, back when their 110 was at the CO-OP, for use in the
GT-6.They told me; in bores <4 inches @ 12:1, I could dilute 110 w/Pb free
premium 1:10 and have no issues. That seemed like a high dilution to me, but
he assured me several times.He told me Octane requirements at a given CR rise
sharply as bore goes beyond 4".Walt & Chip Hane @ UTS, in Evergreen can find
exactly what you need. Too much costs power.Clive runs 1:1.BillNow
Triumph-less

---------- Original Message ----------
From: toodamnfunky at comcast.net
To: fot <fot at autox.team.net>
Subject: [Fot] Proper race fuel
Date: Wed, 17 Nov 2010 22:23:44 +0000 (UTC)

FoT

I'm just looking for some input on race fuel. My compression

ratio is 12.5:1 and I live at 5200' ( Denver ).

I generally run 108 octane at about 75% race gas to 25% pump gas.

Sometimes straight 108. Now I'm wondering if even 108 isB enough octaneB for
12.5:1

Just wondering what everybody else is doing.

Thanks as always,

Jim Gray
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