I have a couple which I've tested with; one is conventional vaccuum secondaries and one is converted to mechanical secondaries with Annular boosters in the secondaries.
If you are using a two-plane intake then they are a great addition and both work exceptionally well however, when used on a single plane intake at higher RPM, the third cylinder back on both sides, (3 and 7 on a Ford), tend to run lean. I've tried all kinds of fixes including different plenum mods and even raising the carb with spacers 4". The problem still continues though not as bad so, use 'em on two plane intake manifolds with the divider notched.
This message has been edited by rmcomprandy from IP address 4.229.72.11 on Nov 14, 2005 11:03 AM This message has been edited by rmcomprandy from IP address 4.229.72.11 on Nov 14, 2005 11:01 AM
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