Thread: 450 cfm carb.
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Old 01-14-2015, 08:26 AM   #8
Fordestes
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Join Date: May 2010
Posts: 931
Default Re: 450 cfm carb.

The carb has 57 jets, I soaked it clean sometime ago and put on a shelf to collect dust . I'll try some lysol and mabe it will hold paint. the more I tried to find the choke conversion and specs. etc. the less I could find out, I even went to the parts store and after I finally convinced the parts clerk the numbers are correct and I didn't know wether the vehicle it came from was a 4 door or the day it was made or if it was red or blue, they still couldn't help me. as for the book by JWL. yes I read it,(very informative) but I have noticed that when a product is used by numerouse people and differnt vehicles, variouse climate conditions etc. over a long period of time the results tend to vary and sometimes changes need to be made , mabe I am still a little skeptical of a holley carb on a street engine, when I last used a holley I wasn't savy on carburetor tuning (my own fault) back about 1987 I tried a new 390 cfm on my 239 with edelbrock 450 intake offy heads Harmon collins cam etc., I could not get it to lean out to suit me, I tossed it aside , I realize now it wasn't the carb, I tried to fix something that wasn't broken, I plan on restoring the Holley 390 next and put it on a 255 merc. mabe I can get it right this time but the electric choke is certainly not for me.
Thanks!
Fordestes
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