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

Holley 465 questions.

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Old 01-08-10 | 02:02 PM
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Old 01-08-10 | 02:14 PM
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Its alive,Alive Got it all all back together and it hardly smokes at all.Im getting oil in my carb but it looks like the 4 barrels are not opening all the way and it wont stay at idle unless i set it at2grand.With all of your input and my few brain cells we jump one hurdle.Thanks for all of your help but i need setting the carb now.
Old 01-08-10 | 02:45 PM
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GOOD JOB... ok all four barrels arent gonna open unless ur realy hawlin but bc that carb is a vac secondary. meaning only 2 will open then wen u mash it and get vac pressure the other 2 will open. the best way to start tunning it i think wud be to adjust both the air and fuel mix screws all the way in then back each of them out 1/2 a turn. with ur set up after it warms up it shud idle at around 800-1000rpms. just keep backing them out til ur engine runs smooth thats all. then after ur engine is running smooth either screw in or out the idle screw. also make sure ur throttle cable is hooked up with barely any slack. i know its alot but its eay once u figure it out
Old 01-08-10 | 03:33 PM
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Originally Posted by jimbowatson2002
GOOD JOB... ok all four barrels arent gonna open unless ur realy hawlin but bc that carb is a vac secondary. meaning only 2 will open then wen u mash it and get vac pressure the other 2 will open. the best way to start tunning it i think wud be to adjust both the air and fuel mix screws all the way in then back each of them out 1/2 a turn. with ur set up after it warms up it shud idle at around 800-1000rpms. just keep backing them out til ur engine runs smooth thats all. then after ur engine is running smooth either screw in or out the idle screw. also make sure ur throttle cable is hooked up with barely any slack. i know its alot but its eay once u figure it out
second gear i get a bad sputter then it cleans out.Cant check top end yet,any ideas?
Old 01-08-10 | 06:18 PM
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this sputter, is it when u just get on the gas after shift change? i went back and checked ur first few posts and u said the PO said it didn't smoke til after the holley was put on it. is that why he decided to sell it, got tired of messing with it?
Old 01-08-10 | 06:33 PM
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Originally Posted by rxtasy3
this sputter, is it when u just get on the gas after shift change? i went back and checked ur first few posts and u said the PO said it didn't smoke til after the holley was put on it. is that why he decided to sell it, got tired of messing with it?
i dont remember why he sold it but it dose not smoke nothing like it did.Just a little after you rev it.Problem is 1st to second mid second it falls down the pics up 3rd and on.Its not tagged yet so i cant get to 4th and go.Thingis i cant get it to idle smoth about 1000 rpms without rasing idle screw.
Old 01-09-10 | 01:18 AM
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r u at wot when it bogs in 2nd and then only part throttle 3rd and on? how's the primary float setting? did u mention the fuel pump ur using in previous posts? the holley needs 6psi. the adjusting screws on each side of the primary metering plate r for idle mixture. did u adjust according to that previous post? turn them in til they stop but not tight, it will damage them. initial setting is out 2.5 turns. both have to be adjusted the same amount. the best way to adjust a carb is with a vac gauge, adjusting for max vac. with the engine warm and at idle, turn each mixture screw in til the rpm's start to drop, then back out 1/2 turn. do the same with the other. then u adjust the idle speed with the screw on the throttle. and double check the float levels by removing the site plug on the secondary bowl, the fitting for the omp on the primary bowl. the level should be just below the hole.

i just wish u weren't so damn far away.
Old 01-09-10 | 04:48 AM
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yeah man, he said it all pretty much. also id love to help but u know the desert is a LONG way from GA. good luck
Old 01-09-10 | 07:36 AM
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Originally Posted by rxtasy3
r u at wot when it bogs in 2nd and then only part throttle 3rd and on? how's the primary float setting? did u mention the fuel pump ur using in previous posts? the holley needs 6psi. the adjusting screws on each side of the primary metering plate r for idle mixture. did u adjust according to that previous post? turn them in til they stop but not tight, it will damage them. initial setting is out 2.5 turns. both have to be adjusted the same amount. the best way to adjust a carb is with a vac gauge, adjusting for max vac. with the engine warm and at idle, turn each mixture screw in til the rpm's start to drop, then back out 1/2 turn. do the same with the other. then u adjust the idle speed with the screw on the throttle. and double check the float levels by removing the site plug on the secondary bowl, the fitting for the omp on the primary bowl. the level should be just below the hole.

i just wish u weren't so damn far away.
If it warms up a little outside i will check the floats and mess with the air/fuel screws.As for the fuel pump if it is stock thats a 100.00 bill at least to change so that will come later.I dont want to keep flooding you guys with thanks,but thanks again!
Old 01-09-10 | 08:46 AM
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no prob man glad to help
Old 01-09-10 | 09:29 AM
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hey, that's what we're here for.
Old 01-10-10 | 11:51 AM
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This thread has been a huge help for me also, thanks everyone! This is almost archive worthy with all the pics!
Old 01-10-10 | 12:10 PM
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Originally Posted by chris_g
This thread has been a huge help for me also, thanks everyone! This is almost archive worthy with all the pics!
helped me alot also
Old 01-10-10 | 02:59 PM
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One more prob,i messed with carb,got it to idle low,cant tell what rpm cause tach quit for some reason. When you get on it,it sputters.Could it be carb still,not enough fuel pressure?Besides that it runs like a raped ape LOl!

Last edited by vj226966; 01-10-10 at 03:02 PM.
Old 01-10-10 | 04:08 PM
  #90  
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yeah u cud still be getting low pressure. u shud go get a in-line fuel pressure guage. that holley like at least 6psi.
Old 01-10-10 | 04:09 PM
  #91  
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as for the tach. make sure all the terminals are clean on ur coils. (thats where it hooks to)
Old 01-10-10 | 04:46 PM
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Originally Posted by jimbowatson2002
as for the tach. make sure all the terminals are clean on ur coils. (thats where it hooks to)
Thanks i will check that
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