1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

holley 465 cfm jets

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Old Oct 8, 2005 | 12:28 PM
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holley 465 cfm jets

what jets should i get its for 12a stock port , how a bout the accel pump also?

right now it stumbles when its cold, bad. but once it gets hot (in 100 Deg ++ weather) it runs ok as long as im smooth.
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Old Oct 8, 2005 | 12:54 PM
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is the stumble on acceleration just off idle? if so, there's an adjustment on the accel pump actuator arm. might also want to get an assortment of cams too.
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Old Oct 8, 2005 | 12:58 PM
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if it stumbles when it's cold out, but runs great in super hot weather you may need to jet up a tad. sounds lean to me.
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Old Oct 8, 2005 | 02:42 PM
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it does it off idle and below 3k-4k it comes stock with 57jets.
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Old Oct 8, 2005 | 03:16 PM
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Originally Posted by dirty86
it does it off idle and below 3k-4k it comes stock with 57jets.
ok it doesnt do it off idle while its sitting there running
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Old Oct 8, 2005 | 05:21 PM
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ok, try going up to #60 jets on the primaries. don't touch the secondaries at all. if this doesnt help then it's the pump cam. what colour do you have as of now? also there are two settings, try the different scew hole on it. let me know if you are lost in what i am saying
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Old Oct 8, 2005 | 05:27 PM
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i know what you are saying, however jb weld is covering the screw hole do to my lack of supplies i had to jb weld an aluminum arm on there with a hole in it so i could use the throttle. (for some reasone my throttle has the lever on top) it is currently the white pump cam, will the other screw hole help, if so i could drill out the jb weld
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Old Oct 8, 2005 | 05:36 PM
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one more question, do i need to put both OMP lines into float bowl? i have it wired open but my setup is leaking so im redoing all this Temp crap i did with the right stuff. (i had to have a running car )

is there a way to get the throttle (bracket) that every other holley 465 has that i seem to not. pulling not pushing.

this is what i think i need but i dont have....


Last edited by dirty86; Oct 8, 2005 at 05:51 PM.
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Old Oct 8, 2005 | 06:14 PM
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i wouldnt worry about that. if your throttle setup is working then stick with it. as far as your pump cam... i think you should try orange... or is it pink? i dunno it always looked orange to me. if anything, try the other hole on your current one if you can get that jb weld out. it seems you may need a longer duration from the squirter.
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