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Re: [Fot] Ignition timing in a TR-4

To: toodamnfunky@comcast.net
Subject: Re: [Fot] Ignition timing in a TR-4
From: Bill Babcock <billb@bnj.com>
Date: Wed, 30 Jun 2010 12:47:32 -0700
You are unlikely to need to change your timing if you get the carburetion
right. In theory if you are using SU you should be OK, in practice you might
want to go a little richer. If you're using webers you will have to spend an
hour or so doing plug chops and getting your compensator and main jet right.
You'll need a couple of sets of new spark plugs to get it just right.
On Jun 30, 2010, at 12:42 PM, toodamnfunky@comcast.net wrote:

> Greetings FoT
>
> I am planning to attend the Kastner Cup in August and I'm not sure where my
> timing
>
> wants to be at roughly 800 ft above sea level. My only experience with the
TR4
> is at
>
> 5200 ft. and 36 -B 38 degrees BTDC is the norm around here. The car has
12.5:1
>
> compression and I generally use 108 octane fuel.
>
> Any advice for Topeka would be appreciated.
>
> Thanks,
>
> Jim G.
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>
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