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DryCreamer -> Tach not working right, but still working? (4/25/2008 10:05:15 PM)
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Finally got my car together and got it out of Steve's garage. :) Got the engine running great! Its got a fantastic lope, and got the rear wheels lined up (or at least better than what it was) and I got flowmaster Super 40's on it that sound GREAT! Here's the deal:
I had a part throttle backfire that was driving me crazy and one day while I was out "diagnosing" it (read: mashing the gas) my car started to miss REALLY bad, and what happened was the hold down bolt for the distributor popped out of the intake and the timing went WAY advanced. So I heli-coiled the intake got it all back together and running good, but when I shut the car off, the tach sits at 2000 RPM and it idles at 2000 RPM.
Is there a way to re-set or zero the tach on an '81. It was the first year for the computer and I saw on some diagrams that the tach wire (its yellow with a little condensor on it) runs through the engine computer, but it was working fine with no computer hooked up until my timing went all wacko.
I didn't know if any of you guys have ever had this happen or if its even a common problem with the early 80's Vettes.
PS: I got video of the first fire up, and of the car with stock muffler, NO MUFFLERS, and Flowmasters so hopefully when I get back in town, I'll be able to post them to You tube or something and put them up.
Thanks!
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