Originally Posted by
spam
I run a high lift cam on an older car with a webber and CD ignition. The distributor is mechanical w/o vacuum advance/retard.
the timing is 10 BTDC at idle.
with a HHO @ 2L/m on 4.6 L engine what should the timing be adjusted to compensate for the HHO
retard 2? 3? or 4 degrees from current setting? I mean with HHO don't need the same advance - right?
I'd start with 4 and go up from there, retard more. See how she runs and check exhaust temp.
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