Carb build up...should I?
Thread Starter
Safety Car
Joined: Jun 2001
Posts: 4,004
Likes: 2
From: Severna Park Md
Carb build up...should I?
Check my sig and you will see what I have. The Holley 600 on the car now is the same as when it came out of the box. Im thinkin I might be able to get some more performance with this carb if I do the right things. So far I put a lighter secondary spring on it. It improved performance. Should I try and upsize the primary jets? Anyone know what size primary jets first come in the 1850 600? The sparkplugs are clean with no black soot after considerable use. The moter seems hungry. How many sizes should I go above whats already in there? Or should I leave it alone?
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Race Director
Joined: Feb 2000
Posts: 12,431
Likes: 1
From: CT
Re: Carb build up...should I? (Jvette73)
i dont know how much more power you would get from going with larger jets, but i think it is safe to say there will be more power with larger ones. i would go up only a couple sizes at a time.
Le Mans Master
Joined: Mar 1999
Posts: 6,744
Likes: 1
From: delmont pa
Cruise-In I Veteran
Cruise-In II Veteran
Re: Carb build up...should I? (Jvette73)
i would go with a vacuum secondary 750 if you have deep gears,and you will better top end performance. 600 is a little small.
