float height specs

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Aug 2, 2009 | 06:11 PM

Bluto

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From: Atlanta area

float height specs

can someone point me to the proper float specs for a motorcraft 2bbl used on a 400 v8 w/ 3 speed auto tran?

75 F-100

Aug 2, 2009 | 07:08 PM

fmc400

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From: Austin, TX

What year is the carburetor? Check the tag. It won't be a '75 because a 400 wouldn't have been in there yet (assuming the carburetor came with the motor).

Aug 2, 2009 | 11:35 PM

Jermafenser

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From: MD

400 wasn't available in '75, but I'll give the specs anyway -

Wet: 31/64
Dry: 7/8

Aug 3, 2009 | 08:00 AM

Bluto

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From: Atlanta area

Quote:

Originally Posted by Jermafenser

400 wasn't available in '75, but I'll give the specs anyway -

Wet: 31/64
Dry: 7/8

Yep...I bought it with the 400 in it (got paperwork on it being a replacement for the factory engine) AND a re-built carb with no tag and no markings (other than a sticker that says "Remanufactured")

I have given up trying to ID the carb. I fact, If setting the float height does not solve my idle problems (I thnk I have finally fixed all the vacuum leaks)...Then I plan to replace the carb.

Thanks,

Bill

Aug 3, 2009 | 11:33 AM

Jermafenser

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From: MD

If it says "remanufactured", someone bought a reman. carb from a store. You never know what it came with. I'll agree to replacing it.

Also, check the gaskets below the carburetor. Make sure they are the proper ones and sealed tight.

Aug 3, 2009 | 07:50 PM

Bluto

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From: Atlanta area

Quote:

Originally Posted by Jermafenser

Thanks for the help guys...........as a matter of fact.....I just got back from the parts store with a re-build kit and a new,,,big ole paper spacer / gasket thang. When I took the carb off the old spacer was on upside down. I imagine there was a pretty serious vacuum leak going on there.

Gonna put the kit in, put it back on and see how she goes. I'll report back.

Thanks again......

Bill

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