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Mallory timing advance problems
Priobe I have in the past had multi problems with Mallory distributors. The weights would stick and not advance at 2,400 rpm. The motor would fall flat on it's face. Mallory has had a problem with the pins the weights pivot on wearing. I would go with the MSD billet distributor and set the timing at 36 degrees at 2,700 rpm. Maybe there is a friend who would let you borrow his setup and try. I am not a weber tuner, but it sound like a idle to main curcuit transfer causing the leanout. I know you check the fuel pressure and the float levels. To go that lean on the LM-1 is more fuel than ignition problem. I have seen fuel pressure gauges not reading right. I have a manual and electric gauge setup in my car for the FI system. If you turn up the fuel pressure 2-3 psi is there a change in the lean condition?? This is a easy check. If change, go back to the carbs. If not go back to the pig running condition and work from there. Rick L.
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