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Old 03-14-2010, 11:13 AM
DQ81 DQ81 is offline
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Timing is fine, vac advance works fine.

8 BTDC, all in around 2.8k RPM @ 36 degrees.

This makes sense as like I said earlier:

If the truck idels a few minutes, punch it and accelerate moderately or WOT it's just fine for about 7 seconds and then stumbles almost completely stalls, let off the gas it recovers but if gas is re-applied it surges and won't accelerate or hold a speed properly.

The longer I stay off the gas the longer I can accelerate afterwards but it's back to surging pretty quickly. Timing isn't going to effect this.

It's a factory mechanical quadrajet with the correct timing.

What's next?
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