Edlebrock or Holley

January 10th, 2008, 12:42 PM

#41

cprstreetmachines

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Originally Posted by 460brevill

cprstreemachines when running a radical cam the manifold vaccume drops,this lets the needle lift off the seat.this causes a rich condition at idle.all you have to do is put weaker springs in to let needls reset, on a holley you have to tear down and rejet.

Oh I know. But that is a pretty radical cam. But as the carb was designed, that is not how they are used. Holley is the same way. If it is open at idle, you tear it down and put in a smaller PV, you don't ever change the jetting for idle. They are only for cruise and WOT.

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January 10th, 2008, 03:14 PM	#42
Mustero Newbie 1966 Mustero 12.50 Join Date: Jan 2008 Location: Northern California Posts: 40	Holly Street Avenger series,Best out of the box bolt on carb holly has sold for the street! depending on horse power a 670 series avenger should be just about right.

January 10th, 2008, 03:50 PM

#43

69fastback

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1969 Mustang Mach 1

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Originally Posted by Mustero

Holly Street Avenger series,Best out of the box bolt on carb holly has sold for the street!
depending on horse power a 670 series avenger should be just about right.

Thats what I have and I like it, but when I pull the engine in a few months, it's getting a street demon.

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January 10th, 2008, 04:55 PM

#44

cprstreetmachines

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Originally Posted by 69fastback

Thats what I have and I like it, but when I pull the engine in a few months, it's getting a street demon.

Just curious on the switch if you like the holley ?

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January 10th, 2008, 06:07 PM

#45

69fastback

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Originally Posted by cprstreetmachines

Just curious on the switch if you like the holley ?

I have had them all, and I like the street avenger, but I realy like the performance, and driveability aspects I've had when running Demons. They cost a little more, but I think you get what you pay for.

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January 11th, 2008, 11:32 AM

#46

69fastback

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1969 Mustang Mach 1

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Originally Posted by cprstreetmachines

Just curious on the switch if you like the holley ?

Oh, and I forgot that the street avenger sits just a little bit higher than a standard holley, and I'm having hood clearance problems. My air cleaner has dents in it from hitting the studs that hold the scoop on when the engine torques. I think the stress that puts on it is what's causing my intake to leak.

I have the drop down bottom piece on the cleaner. I'm going to try to find a smaller diameter cleaner that still drops down to try and solve the problem.

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January 11th, 2008, 12:41 PM	#47
cprstreetmachines Newbie Join Date: Oct 2007 Location: San Diego Posts: 48	They sit higher ? Did not know that. There are a few tricks you can do at home. How much more room do you need. Doesn't sound like much. Do you already have the 1.5 drop base or just the 1in ? You can trim a little metal from the base of the cleaner where it meets the carb. You can take the down pretty far, until it hits the needle and seat adjustments. The K&N top will give you a little more room also. they flex more than your standard top when you tighten them also.(If you take the metal mesh out from underneath.) __________________ Classic Performance Repair www.CPRstreetmachines.com

January 11th, 2008, 12:51 PM

#48

69fastback

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1969 Mustang Mach 1

OLDNSLO

Join Date: Aug 2006

Location: Oklahoma jackass, get to driving

Posts: 675

Originally Posted by cprstreetmachines

They sit higher ? Did not know that. There are a few tricks you can do at home. How much more room do you need. Doesn't sound like much. Do you already have the 1.5 drop base or just the 1in ? You can trim a little metal from the base of the cleaner where it meets the carb. You can take the down pretty far, until it hits the needle and seat adjustments. The K&N top will give you a little more room also. they flex more than your standard top when you tighten them also.(If you take the metal mesh out from underneath.)

Yeah I have 1.5 drop, and I've never had this problem with other Holley carbs. I can't say it sits higher I guess until I actually check that out...lol, but this seems to be the only carb that's given me trouble.

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