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Author Topic: Carb  (Read 5090 times)

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Offline Solar78

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Carb
« on: June 16, 2006, 05:26:14 PM »
So what is the correct Carb number for a 78 trans am?

I was looking online and there were a bunch of different ones that I saw. I assumed that was showing me what the interchangable ones were...

Is 17057262 the orginal or 17057263 the orginal....

Thanks
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Offline Eagle 1

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Carb
« Reply #1 on: June 16, 2006, 11:51:26 PM »
17057263 is an original.
Here is website that list carb numbers by year.
Just click on the year.
http://www.thepontiactransampage.com/carb_id.html
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Offline ta78w72

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Carb
« Reply #2 on: June 17, 2006, 07:53:28 AM »
The fifth digit is the year.  So both carburetors you listed are for a 1977 T/A.  The standard 400 and the 403 got  650 cfm units, while the W72 got a 800 cfm unit.

The site Eagle provided has all the part numbers.  Part number 17058266, which would be correct for your car if you had the W72 engine, is very hard to find.  However, it should be a bolt on to a standard 400 engine.
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