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Ok with the Holley 750 dp at idle with idle screws 1 1/2 it idle between 8-10 vac if I turned them in 1/2 it jump up to 10-12 still very rich. The Holley already has holes drilled in the main butterflies, and has 4 corner idle screws. Here's a picture

ok guys been having trouble getting my combo to run well. I have 3 different carbs lying around and just can't seem to be the right combo together. My setup is a stock 1976 RV 360bottom end, Eddie rpm heads, lunati voodoo 226/234 @.050 lift 494/513, rpm air gap intake, stock electronic ignition...

Thanks for help, switched intake and put on a 670 holley and runs great, although had to take motor out for tranny issues fml oh well couple days left till power tour

Yep it's spraying solid Guy told me my headers might be leaning it out, it's a stick car so I think I'm going to try my torker 340 intake and 600 holley

Also I am trying a tune up first, and I adjusted pump to shoot about twice what it was, plugs still white ( I let it get warm and reved it quite a bit) stumble is still there little better but still there Also I have Doug's headers on motor if that affects it instead of stock manifolds

Ok need help trying to make it to power tour in 4 days Update timing is 14 at idle and 32 all way open Plugs are white , meaning lean correct? Needles have been every adjustment from 1 1/2 to 6 turns out very little difference When revs does have little backfire through exhaust Thinking of...

How do you adjust the pump? That's what I was trying to do, there's like 4 slots but if I put the rod in the other slots it doesn't even work :/ this two barrel is the one with the screws on top and comes apart that's way, not the holley that has the front bowl like their 4 bbl do

Have a stock 360 out of a rv, motor starts right up, idles great, when you give it gas it falls on it's face but give it gas again it'll rev fine. When you drivin down road runs pretty well when your into the gas. I got it warm was able to drive down the road but after 5 mins started missing...

You are correct! I got it figured out last couple days of drivable weather. Still need to adjust the new dizzy, I got a Jegs distributor. It's not advancing enough right now, but they say it's fully adjustable. I haven't had enough time to pull it and adjust it.

Ok I understand initial timing, I have a digital toming light, at idle it says I'm 34 deg, I rev it up to 3500 and still stays at 34 deg. My light I is digital so I dial in untill marks at zero, when I do this it says 34 idle or higher doesnt matter. Now if I pull the trigger (which is supposed...

Ok so I have finally got my dart back on the road as now I'm down to tuning carb, idle, etc. the problem I have right now is with my street avenger 670 carb, electric choke , vacuum secondaries, it will not idle at all when it's cold and when warm won't idle any lower than 1000 rpm. Details...

I have a 69 340, .030 over, 10 to 1 comp, stock x heads, running elderbrock rpm air gap and cam is going to be a Comp nostalgia plus 20-674-4 ADV. DURATION 292/299 VALVE LIFT .508/.508. My question is i have a holley 650 DP is that enough for my car? Or should i go 750? Just Rejet to bigger...