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Old 04-21-2018, 10:18 PM   #13
toolboxchev
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Join Date: Jul 2015
Location: 2nd left past the stump on a dirt road.
Posts: 2,629
Re: Engine Misfire & Stumble

Quote:
Originally Posted by geezer#99 View Post
Maybe your cam is going flat.
Pop the covers off and check the rockers for equal movement.

Or maybe it’s just flooding a bit. Eddy carbs don’t like more than 5 psi.

Or maybe you need more timing.
Checked timing, 14 btdc. Pulled vac advance off untimed port, left disconnected. Even though I have 2 degrees of slop in the timing chain, I am pretty sure I have not skipped a tooth.

Cleaned out the distributor, cap contacts, weights, springs, lightly lubed weight pads.

Cleaned out primary metering rods on Edelbrock, Pcv valve.

Took it for a drive afterwards, Way better in terms of missing and popping around 2500 rpm, once I get past that rpm I can hammer on it and away I go like normal.

Stiil does not like 2450 to 2800 rpm, once past there It feels solid. Yet to pull those valve covers.
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