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Old 07-11-2020, 10:26 PM   #3
Praxiss454
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Join Date: Jun 2016
Location: Novato, CA
Posts: 519
Re: How to assess whether a carb is worth rebuilding?

Quote:
Originally Posted by Steeveedee View Post
As for the throttle plates, the cast iron base plates wear like...iron. If it is currently running, you can spray that throttle shaft (both sides) and see if the idle speed changes. If it does, you're a candidate for bushings. I don't think I've ever had bushings put in an iron base plate, only the aluminum and pot metal ones like Q-Jets and Edelbrocks. For the rest, if you take it apart and it isn't corroded into next week, it'll probably be OK to rebuild.
Here are a bunch of pictures of the old one I took off when I rescued the truck from the field it sat in for years. Not sure even where to start.

If you look at where my finger is in the first picture, the old timer who has occasionally been helping me with advice suggested this part might be shot and can't be serviced. I was leaking gas a little bit, but I honestly think it was coming from higher up, not here. I could be wrong. He's forgotten more than I'll ever know about these old cars.







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Thanks everyone for the help over the years.
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