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very glad to see the info on these heads . I have been looking at them for a year now but only found info from promaxx . A little later on i saw in one of the Mopar mags or engine Builder mag were they were talking about how good there were wright out off the box but can't remember were it...

Price is for a set

I was looking at aluminum heads and came across these ProMaxx heads . The little bit of info that i found were people that just got them and loved them or shops getting ready to port them . They all say good things about them as out of the box head . one shop said that they were one of the best...

Mt street rad 27'' 9.5 '' fly wheel 32 pounds

Found the problem the fuel filter had come loose is side its cover and was moving and blocking the out let so it was getting some fuel and after launch blocked hole off and carb didn't get fuel for a couple of sec. ALSO move my launch rpm to 4000...

will also upgrade AN6 TRY HIGHER LAUNCH RPM

will try taking off at 4500 . I have a summit racing air filer on it and some one told me not to run a air filter at the track so i took it off for one pass and didn't make a change . I do have a fuel pressure gauge on the regulator.

will try the demon on the car and see if this fixes it . if it doesn't it could be the fuel sloshing . will also move the fuel filter . The only way for me to get rid of the foot and a half of 5/16 is to replace the pump again that will be last because i am not running out of fuel at top end ...

THAT'S WHAT I WAS THINKING THAT gas is not getting into the bowel fast or on launch the floats are slamming closed the valve closed and using the fuel up in bowel. i turn the line pressure up 8psi I also have tune up kits with large fuel float needle and seats i can install. ALso do you...

DANA i have a 3/8 sender unit with 5'' peace AN4 line to stainless 3/8 line to the pump and 10'' AN4 line to the pump than 5/16 line up to the fuel regulator to 3/8 fuel filter to 3/8 AN4 to carb. this is all new . stock gas tank mopar 80 gph pump mechanical new. I DO HAVE A Migthy DEMON 650...

HI HAVING PROBLEM AT THE STRIP ONLY ON THE STREET ITS FINE. My 1970 340 duster 4 speed Hughes cam and springs duration at 50 is only 230 with 545 lift 9.5 compression , Weiand act plus intake. 3.73 rear gears 2.02 casts heads . This is the problem when i come off the line at 3500rpm the...