Each day I know less and less...
David Riker
74 Midget
63 Falcon
70 Torino
http://personalweb.sunset.net/~davidr
----- Original Message -----
From <Ajhsys at aol.com>
To: <davidr@sunset.net>; <spridgets@autox.team.net>
Sent: Thursday, August 03, 2000 6:41 PM
Subject: Re: My Midget runs, sort of
> Thanks David. Once again, I am able to learn more neat stuff on this
list.
> Eventually I will know everything, and then I will leave. Until
then...you
> are all stuck with me.
>
> Allen Hefner
>
> - - - - - - - - - - - - - -
>
> In a message dated 08/03/2000 9:27:53 PM Eastern Daylight Time,
> davidr@sunset.net writes:
>
> << Yes, except he let us know that he had replaced the vacuum type
distributor
> with a centrifugal only unit from an A-series engine. Once that
happened,
> you have to compensate for the lack of a vacuum advance. 1500 factory
> setting for late model 1500's is 2 degrees ATDC with vacuum disconnected.
> Like you said, with all stock parts in place, when idle vacuum is hooked
> back up on the stock dizzy, the timing immediately jumps up to about 6
> degrees. Then as RPM increases, at highway speeds with light load, total
> advance is about 30 degrees due to combined vacuum and centrifugal
advance
> curves. Since the distributor was replaced with a centrifugal only
advance,
> to achieve the same 30 degrees at speed, and to achieve the same idle
timing
> setting you would have to start with more initial advance. Also the
smogged
> 1500 begs for more advance anyway. With stock pistons, I have been unable
to
> make one ping with as much as 25 degrees BTDC. >>
>
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