Posts: 114
Threads: 49
Joined: Jan 2013
I got a 67 coronet with a 383 auto. and a small performance cam , don't know the specs . seems to run good but it leaves a puff of black smoke when I leave a traffic light . I,ll find out tomorrow what size jets and squirters it has in it . its a new holley 750 . but in the mean time could you tell me what setup makes your car run the best ? thanks . booboo
Posts: 114
Threads: 49
Joined: Jan 2013
ok . its got 72 for front jets , 80 for rear jets ad 31 squirters . so what do you think .
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Joined: Jun 2013
Vacuum secondary I assume?
67 Coronet 500 - 9.610 @ 139.20 mph
Owned Since 1981
Daughter's Car
67 Coronet 500 Street Car with AC
13.300 @ 101.75 mph
69 GTX clone - build in progress........
Posts: 114
Threads: 49
Joined: Jan 2013
no , duel line dbl pumper .
Posts: 625
Threads: 40
Joined: Jun 2013
I don't think you are far off as far as jets. My 750 double pumper has 70/80 and 31 squirters. With the O2 gage it was spot on with the 440.
What is in there for a power valve? What size and is it good?
67 Coronet 500 - 9.610 @ 139.20 mph
Owned Since 1981
Daughter's Car
67 Coronet 500 Street Car with AC
13.300 @ 101.75 mph
69 GTX clone - build in progress........
Posts: 113
Threads: 6
Joined: Jan 2013
Also a possibility on the idle you could be running rich mine was stumbling slightly off of idel hooked up a wideband and found out I was pig fat on the ldle i'm also running a Holley 750
my idle screws were out like 3 1/2 turns if I remember correctly I think I'm out maybe a turn or turn and a half now.
67 R/T 440ci 4spd
[SIGPIC][/SIGPIC]
