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Mac88 08-16-2011 12:32 PM

Timing / Idle
Ok, I got the ignition problem straightened out, and the new T5 transmission in the my 88 Mustang(302). I pulled it out the garage the day and took it around the block. Ran good, did'nt go too far because of those 4.56 gears in the rear that I'm trying to get rid of. My question is this. I had a buddy of mine set my timing. He has a local mechanic shop and runs two race cars on dirt tracks, so I kno he's pretty knowledgable. But it seems to me that the timing is set too high! It's a smooth idle, but it's just so high. Sounds like the car is revved too high. I'm not sure how to distinguish whether I can adjust the idle on the carb and correct the problem, but the distributor a little, or do I need to have the timing completely reset. I thought the timing should have been 10 BTDC, but I know he set it at something different. Any suggestions? He's a die hard Chevy, so maybe he set the timing thinking about a Chevrolet, I don't know. But I do know that the engines seems to be revving too high. The tach is not working, so I could'nt tell you want range it's idling at.

WDCreech 08-16-2011 12:58 PM

You don't set the idle by changing the initial timing! There is a screw, on the Carurator throttle linkage to adjust how low the idle is set. Usually it will have a spring to keep tension on it so that it doesn't unscrew itself from vibration.

Mac88 08-16-2011 01:04 PM

Right, I understand that. I may have said it wrong. I guess my question should have been how can I tell if my timing is set with too much advance? I'm hoping it's just a matter of adjusting the idle. Thanks for the reply.

cool rockin daddy 08-16-2011 01:34 PM

Sir, if you understand that you don't set the idle by changing the initial timing, you should understand that you don't change the timing by adjusting the idle! You have to adjust the idle speed screw to adjust the idle speed.

Mac88 08-16-2011 02:53 PM

Thanks for all the responses. I'll call him over and have him take a look at it.

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