Bad distributor?
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More Turbo
Joined: Feb 2010
Posts: 661
Likes: 6
From: parma
Bad distributor?
I changed distributors in my engine. Once I got my engine fired up I tried timing it. when I went to plug the vacuum line onto the advance, the engine slowed down. Unplug it and engine speeds up. I also notice that the engine doesn't change speed as you adjust the distributor advance or retard. Throw some ideas at me.
Thread Starter
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More Turbo
Joined: Feb 2010
Posts: 661
Likes: 6
From: parma
Aftermarket unit that was in that rebuilt junk 312 I bought last year. Brand new with a pertronix in it. My old unit was about 6yrs old and ran in this engine before rebuild. I changed them cause of a pinging issue, so I thought this distributor might have a different curve. I guess it has no curve!
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Distributors for Y-blocks in good condition are getting harder to find. Maybe you know this already, beware the "rebuilt" or remanufactured distributors listed by some of the parts houses. Since they ran out of cores some are taking SBF distributors and slapping a gear on it. They will run but the length dimensions are incorrect and it doesn't engage with the oil pump rod correctly. If you keep an eye on epay sometimes NOS or service replacements show up. If you see one, grab it. Worn out distributors don't run right and can't be made to run right, not without a real rebuild with new shaft, bushing, weights, etc anyway.
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