I bought a 1970 2+2 a couple of months ago and have been really happy with the car. There are two things though that I've tried to fix and have been unsuccessful so far. First, when I turn the car off after it has warmed up, it runs on (Deisels??) for up to ten seconds before shaking to a stop. I have checked the timing, replaced plugs, (color looked good), wires, cap, rotor, condenser, points and coil. The car starts easily, idles and runs great. Any ideas anyone?
Secondly, the kick down cable on the automatic transmission was broken when I bought it. I had this replaced and adjusted but it still wont kick down from the pedal. I can pull it down from the gear lever but this seems brutal to me. Other than this all the gears are slectable and the trans works fine. Again, any ideas anyone?
Thanks in advance.
Alan

Submitted by alanm@jkmolds.com on Sat, 05/01/2004 - 14:00

Tried removing the wires from the fan otter switch but no luck. Totally unhooked the fans but still no luck. What's confusing me is the fact that other than this the car runs so well. It shows no signs of being out of tune. Idle is smooth and constant regardless of engine temperature, no pinging and runs clean throughout the rev range. Excuse my ignorance, but what are the thermal compensators and what is their function?
Thanks again

Alan 1970 2+2

Submitted by alanm@jkmolds.com on Thu, 04/01/2004 - 17:57

Thanks for the info, I would never thought of that. I actually tried retarding the ignition, thinking too far advanced might be causing it, but i'll try that also. Thanks again.
Alan 1970 2+2

Submitted by mfrank@westnet.com on Thu, 04/01/2004 - 13:01

On the Dieseling, the first question is whether or not it's really Dieseling. Just as an experiment, remove the leads from the fan otter switch (it's on the front side of your radiator) just before you shut down. If the problem goes away, then the fans are feeding back into your electrical system, and keeping the engine running for a bit.

Otherwise, the cause of Dieseling is usually bad tuning: check the timing again, and try dialing in a little more advance. It could also be high idle speed or a lean mixture, so go over your carbs again. If you're running Strombergs, check the thermal compensators. If none of this helps, check the cam timing and chain tension, using the proper adjusting tools.