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-   -   GT 302 info (https://classracer.com/classforum/showthread.php?t=45003)

Phillip marvetz 12-28-2012 02:10 AM
GT 302 info
 
I have a friend with a 66 merc Caliente that wants to run super stock, I'm thinking the GT 68 merc 302 four barrel is the way to go. What carb is legal with this combo?

Dwight Southerland 12-28-2012 10:13 AM
Re: GT 302 info
 
Mercury 302 used a little Holley. 1.563 throttle bores, 1.250 primary venturi, 1.313 secondary venturi. Like a "600 Holley" or a model 1850. The factory id was C8OF-D for stick, C8ZF-B for an automatic according to the NHRA tech info. The same engine in a Mustang used an Autolite/Motorcraft model 4300 carb.

http://www.nhra.net/tech_specs/engin...ts/FORD-68.rtf

Phillip marvetz 12-29-2012 01:03 AM
Re: GT 302 info
 
Quote:
Originally Posted by Dwight Southerland (Post 362851)
Mercury 302 used a little Holley. 1.563 throttle bores, 1.250 primary venturi, 1.313 secondary venturi. Like a "600 Holley" or a model 1850. The factory id was C8OF-D for stick, C8ZF-B for an automatic according to the NHRA tech info. The same engine in a Mustang used an Autolite/Motorcraft model 4300 carb.

http://www.nhra.net/tech_specs/engin...ts/FORD-68.rtf
Finding a original carb would probably be difficult, Would a 1850 holley be a legal substitute?

Dwight Southerland 12-29-2012 09:03 AM
Re: GT 302 info
 
Quote:
Originally Posted by Phillip marvetz (Post 362980)
Finding a original carb would probably be difficult, Would a 1850 holley be a legal substitute?
As long as the throttle bores and venturi size are within the specs of the tech sheet, yes.

Jeff Lee 12-29-2012 11:40 AM
Re: GT 302 info
 
Talk to Quick Fuel. If they don't have it, they may make it and put it in their catalog.

ALMACK 12-29-2012 11:53 AM
Re: GT 302 info
 
Quote:
Originally Posted by Jeff Lee (Post 363012)
Talk to Quick Fuel. If they don't have it, they may make it and put it in their catalog.
Quick Fuel says they are available now.

Capri 12-29-2012 05:12 PM
Re: GT 302 info
 
We happen to have a J code 302 Holley that is race ready sitting on the shelf. I just cant say for sure if Dad would want to part ways with it. Its just that good of a carb.

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