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Old 10-14-2010, 12:28 AM   #1
mwilliams5891
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Question Holley 390 CFM 4 barrel on 250

so my monojet is shot and i want a better carb...so ive decided to get a holly 4 barrel that is 390 CFM and a new intake that is for a 4 barrel.

so my question is how much do i need to do to make it work? do i need to watch for anything?here is the link to the carb. please look and help

http://www.summitracing.com/parts/HLY-0-8007/

here is the intake.

http://www.summitracing.com/parts/OFY-5416/

thanks again everyone
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Old 10-14-2010, 12:37 AM   #2
geezer#99
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Re: Holley 390 CFM 4 barrel on 250

I left some pics in the engine section you posted on. You need any more info just ask!
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Old 10-14-2010, 12:46 AM   #3
mwilliams5891
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Re: Holley 390 CFM 4 barrel on 250

Quote:
Originally Posted by geezer#99 View Post
I left some pics in the engine section you posted on. You need any more info just ask!
wait sorry im confused...i left photos? or you did.

if you did could you give me a link?
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Old 10-14-2010, 02:28 AM   #4
72shortstep
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Re: Holley 390 CFM 4 barrel on 250

Just buy kyull67's set up and it will be cheaper with basically free headers! Someone needs to buy it before I do, haha.


http://67-72chevytrucks.com/vboard/s...d.php?t=425518
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Old 10-14-2010, 10:47 AM   #5
geezer#99
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Re: Holley 390 CFM 4 barrel on 250

Quote:
Originally Posted by mwilliams5891 View Post
wait sorry im confused...i left photos? or you did.

if you did could you give me a link?
http://67-72chevytrucks.com/vboard/s...d.php?t=425864
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Old 10-14-2010, 12:00 PM   #6
mwilliams5891
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Re: Holley 390 CFM 4 barrel on 250

thank you everyone for your help i am hopefully getting someones setup from on here!!!!


hopefully but if i cant i will buy someones setup too so keep me in mind
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