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I wonder if RTFM'ing will catch on?

That sounds like a good plan.

Still want you to try a vac guage tho' - they are such a good diagnostic tool. Looks as tho' we are getting much better driveability in the cruise - I was suprised...

OK - question for you.........when you say it is "more powerful", do you mean at Wide Open Throttle, or part throttle? I ask because leaning out the crusie mode alone should make no difference to...

I think you will be surprised when you connect the vac guage.

The transition from cruise to power mode is not just affected by the amount of throttle opening - the vacuum builds up considerably as...

Ah - you got to play whilst I was still at work! Great.

I suspect you may still be rich in both modes - going to the stock step up springs has delayed the transition to a lower vacuum level - i.e....

There are two vac take offs - one is "full time", the other "ported", and I suspect that the second one is also "venturi effect" - i.e. vacuum related to airflow, not manifold pressure. Haven't...

Craig - I hooked up a vacuum guage to see when the step up springs were coming in - that let me judge if they were the issue or not. Not, in my case.

My advice would be to get a vacuum gauge , and...

I have an Edlebrock 1412 (800cfm) carb on my 408 stroker.

When I put my car on the road back in 2001, I naturally got the WOT mixture dialled in properly on a rolling road. Two jet sizes up on the...