Removing Boosters on a Holley 4150

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Sep 28, 2004 | 04:16 PM

Tom 400 CFI

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Joined: Oct 2000

Posts: 3,182

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From: Park City, UT

Car: '92 Corvette, '89 1/2-a-'Vette

Engine: LT1, L400

Transmission: ZF6, T5

Axle/Gears: 3.45, 3.31

Removing Boosters on a Holley 4150

How do you do this? I've never had to do this before, and I was wondering what the proper proceedure is. Do they just pull out (into bore)? Are they staked in? Thanks.

-Tom

Sep 28, 2004 | 04:51 PM

65panhed

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Joined: Sep 2003

Posts: 224

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From: OKC Oklahoma

Car: 1984 Z28

Engine: L69 305 HO

Transmission: 5 speed manual

Axle/Gears: Auburn pro yukon 3.73 gears and axl

Call Holley tech...........WHY??

Sep 28, 2004 | 05:07 PM

Tom 400 CFI

Thread Starter

Supreme Member

Joined: Oct 2000

Posts: 3,182

Likes: 793

From: Park City, UT

Car: '92 Corvette, '89 1/2-a-'Vette

Engine: LT1, L400

Transmission: ZF6, T5

Axle/Gears: 3.45, 3.31

I have a post about half way down this page about an Edelbrock 1411 that I hate that is on my car. I have wanted to and am in the process of switching to a Holley. I just got a nice Holley 700 DP mechanical secondary on ebay (4150, List 4778). In the intereste of efficiency, I wanted to replace the boosters w/Annular discharge boosters, while the carb is all apart, and before I start jetting it for my engine/altitude. You see?

-Tom

Sep 28, 2004 | 05:55 PM

Bunker82

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Joined: Jul 1999

Posts: 272

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From: Tucson, AZ

Car: '82 Camaro

Engine: 383

Transmission: TH-350

It requires a special tool (unless someone knows some DIY trick, but I wouldn't want boosters falling out). The company AED makes the tool but it's over $200 plus like a $30 annular adapter. What I did is have The Carb Shop in Ontario Cal. install some of their special annular boosters on the primary side of mine. Cost $25 for each booster, so $50 plus shipping in my case.