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I played with the mixture screws and the vaccum guage helped it but still slightly there.

Plugged the line the idle did not accelerate, But the idle is still slow to decrease.

Well its raining and a 7 degree low monday

Ok I will check and do that. Its raining so I can't really do much.

Ok I will try it and get back to see what happens.

If I unhook the advance the idle rises.

Passanger side block

its a holley 750 electric choke. The vacuum advance is hooked to the carb.

between 750 and 800 is come back down to idle but takes a few seconds.

Does not change with the tuning of the carb as far as the dizzy not sure no vacuum leaks I know of. I think it may be the valve springs. I am using stock 340 j head springs with this .506 cam.

What would cause the idle to be slow droping back down to base idle.Info in signiture.

The idle screws respond i have not filled up on gas so it could be bad gas.as far as the timing chain i will have to check

Floats are set power valve is a 5 and i pull 10 on the vaccum guage

I like the idle at 950 but the car does not.I set it at 1000 and its happy till you get to a light and it surges

Read the plugs there good all the carb bolts are good no leaks that i can find.I changed the power valve and jets out 3 months ago and it ran fine now starting to do this.

I will read the plug tommaro bolts are tight

Std brakes no vaccum leak

I was setting at a red light and the car started surging from 1000 to 1200 and back did this over and over but slowly what is causing this. 750 holley vac sec ele choke

They owe Frieberger some money after watching him put it on his Super Bee I really want it and like it even more. The only bad side it they dont make a disturber for sbm only 413-440 but in time they will have them for all mopar engines.

Don't know the timing stock electronic distributor

New with about 5500 miles

Ok guys I changed to a 5 power valve and went from 72 to 70 jets The idle problem is still there but not as bad I set the idle at 850 and it runs good go down the road and the idle hangs up at about 1000 at idle

Ok I have been talking with holley and going to down jet and get a new power valve. 62 front jets 64 rear jets 5.5 power valve I have 10 vacuum at idle

I have to get home from work and I will let you guys know whats going on

Electric choke

All vacuum ports pluged When you rev it at idle jumps from the 850 to about 1100 Floats are good and as far as fuel psi I don't know

Ok so me and my dad have been trying to set my carb and we cant get it right. Its a 750 holley DP we set the idle with the 508 purple shaft at about 850-900 rpm you go and drive it and stop at a red light the idle is between 1100 to 1400 rpm why is it doing this we have tried every witch way to...

Edelbrock E-Street EFI at Super Summit 2013 - YouTube

Thanks

Ok so I have my car idling at about 850 and it runs and drives fine but after driving it for a few mins when you stop at a red light of stop sign it idles at about 1300 what is causing it to do this. Info 360 4 speed 750 holley DP ele chock vac sec