I love that sound! I wish mine made it. I always thought it was something to
do with having a hot(ter) camshaft with lots of valve overlap, but that was
just an assumption.
Andy
>From: Mark Endicott <endicott@nashville.com>
>Reply-To: Mark Endicott <endicott@nashville.com>
>To: Spridgets <spridgets@autox.team.net>
>Subject: 1275 Tech. Question
>Date: Mon, 31 May 1999 19:55:08 -0500
>
>Once again I would like to ask a question of the list. I have noticed
>that my Midget has a significant exhaust crackle and pop while
>decelerating, it is most noticeable while coasting in top gear on a long
>downhill run. I assume that there is more unburned fuel in the exhaust
>system when the engine is generating the same rpm from gravity without
>the need to produce as much power. My question is this exhaust crackle
>and pop causing any damage to the engine, and is is possibly timing or
>carburetor set up that is causing this. It is becoming more noticeable,
>especially when the engine is not yet up to normal operating
>temperature.
>
>Along the same lines, my car has a very cold nature, even in the summer
>the engine seems to take four or five miles to smooth out and run well.
>Yet it starts without hesitation on the first spin of the starter with
>only a little choke on the first starting and none the balance of the
>day.
>
>The air pump is gone and the exhaust ports are plugged, no noticeable
>air leaks in the exhaust or manifolds. Runs fine otherwise.
>
>Thanks Again
>--
>Mark
>1970 Midget
>Nashville, TN
>
>http://members.home.net/mendicott/midget.html
>http://www.NashvilleTN.org/NBCC
>
>
>
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