AFB tuning
Posting Guru
Joined: Apr 2000
Posts: 1,249
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From: Pryor
AFB tuning
I don't know from just going by idle vacuum. Someone on this board might. I do have a couple questions, though. Is the engine not running properly? Is it having any symptoms, i.e. leaning out during light acceleration, becoming too rich at WOT, etc.?
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Senior User
Joined: Jul 1999
Posts: 228
Likes: 0
From: Poynette Wisconsin
AFB tuning
The carb worked great, but I just put in a huge cam and headers and I lost about 10" of vacuum. So now I have to change out the metering rod springs to compensate for the vacuum loss. It has the 10" springs in it now, which worked great before the new cam when I had about 20" of vacuum. I was figuring on using the 5" springs but I wanted other peoples opinions first.
