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I use Hylomar blue around ports of the valley tin and rtv black in corners

Hello, I just wanted share my experience on this. I was doing a basic cleaning of a Holley 4150 750 Double pumper. In doing the cleaning process I sprayed carb cleaner in all the ports on the meter blocks . I see carb spray bubbling out pas the mixture needles on one of the four corners idle...

I wish I was closer to you I would go for ride and try to help figuring out

I know you probably heard this before but are you absolutely certain the Float levels are correct? Too low would cause hesitation.

Ok one more question what Rpm are you cruising at when you stab the throttle and you get the stumble?

You said you have a stumble now I am the bad guy because I said you are you using race parts and trying to cruise the street same as a stocker? Have you rode in the carb guys car on the street or driven it ? My car can Cruise on street all day, is it perfectly seam less No . Maybe you should...

I know many times people say they don't like the Mopar 484 cam , the 509 would work better withe M1 single.plane . We had that same set up way back never had issues like that . I am currently running a m1 on my 493 with a 4sp and 4 10 gear and it has weird cruise sensation as well . But my af...

Never seen any engine need 33 and 37 on the Steet for squirters. Let alone a 42. What size motor do you have ? What is the combo included gear ratios

New Edelbrock intake and repro Holley carbs . Just.need to know how long of bolts I should buy. I figured out that studs were not correct for that application.

Please help puting a new sixpack on and want to get the correct size and length bolts for the carbs. Orginal bolts missing. What size bolts 1 inch long or ???

Nice now you know .

I see thanks for info!

I am sorry what is a R shape drill bit?

Can one of the brass tee's on the carb be drilled and tap for 1/8 inch pipe and screw guage in ?

How much compression are you running ? I am at 10.2 if I remember correctly.

Lots of good information here and many different ideas. I am not 100percent saying this carb was perfect for the application. More like over carbed slightly. The fuel requirement is not what the carb is providing i am sure. But I have had the vacuum gauge on it and it was pulling 13 hg . And...

We do have a hard time starting when engine is hot as well . With the vacuum cap off the carb port it does start better when hot .

Car has been running like this for about ten yrs we .just deal with it . I just know it could run better . I don't have another carb to try. Yes it does have a pcv valve ?

I don't know if this is a common folk question about Holley carb secrets or not but here goes. My dad has a nicely warmed up 383 with Eddy rpm heads and intake . The cam is a 275 Comp hi lift with 525!lift. I know it has always run good with 750!hp Holley vac secondary carb. But I believe it...