Thread: 450 cfm carb.
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Old 01-14-2015, 03:40 AM   #6
51 MERC-CT
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Default Re: 450 cfm carb.

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Quote:
Originally Posted by Fordestes View Post
it is a 4548-s, I found a choke set up on line , will a choke set up off a dual pumper work or is there a specific group for the choke hardware change over on smalller and larger carbs?
The Holley 45-225 choke kit should work on that 4150 series carb.
Also that carb probably has around #57 jets (probably too rich)
Try #51's and go up or down from there.
Get some new float bowl and metering block gaskets ( you most likely will need them)
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