Initial timing

Thanks, it's a process of elimination, I havent gotten "there" yet.
If it is the can, wouldnt it leak, not hold vacuum?
Fyi, I tried richening it up while running,(closing choke valve, and turning IMS out) and still no change.
I can turn any simple fix into a shitstorm lol.

stroker402 said

I mentioned in an earlier post to swap out the vac adv canister . I had the same troubles 273 commando .. new can solved the issue. ..

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