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Author Topic:   Holley carb, which is better?
BLstangin
Gearhead

Posts: 144
From: South Central MN
Registered: Apr 2002

posted 11-10-2002 11:26 PM     Click Here to See the Profile for BLstangin   Click Here to Email BLstangin     Edit/Delete Message   Reply w/Quote
Which carb do you think will run better on my car? A 600 vaccum secondary, or a 600 double pumper? It currently has a 302 with a performer 289 intake and a mild cam, pertronix ignitor 2 and flame thrower 2 coil with the big cap conversion and 9mm frpp wires. Should have long tube headers by spring. What do you guys think? Thanks. Brandon.

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Wulfgar
Gearhead

Posts: 193
From: SAn diego, CA, USA
Registered: Oct 99

posted 11-10-2002 11:38 PM     Click Here to See the Profile for Wulfgar   Click Here to Email Wulfgar     Edit/Delete Message   Reply w/Quote
Take into consideration your transmission type and your gearing when considering vaccum or mechanical secondaries.
As a general rule manual transmission and strip type gearing necessitates(sp?) mechanical secondaires whereas an automatic transmission and more mild gearing will run best with vaccum secondaries.
But all in all a 600cc size carb is a good choice for your setup.

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Moneymaker
Administrator

Posts: 18704
From: Lyons, IL, USA
Registered: May 99

posted 11-10-2002 11:49 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
A proporly set up DP will ALWAYS be quicker and faster.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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Bob Hopkins
Gearhead

Posts: 166
From: BRIDGEPORT NJ USA
Registered: Jan 2001

posted 11-13-2002 04:10 PM     Click Here to See the Profile for Bob Hopkins   Click Here to Email Bob Hopkins     Edit/Delete Message   Reply w/Quote
Alex I think yor answer needs some more words A properly setup car with a D/P will allways be quicker and faster

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Moneymaker
Administrator

Posts: 18704
From: Lyons, IL, USA
Registered: May 99

posted 11-14-2002 12:19 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
That point is moot Bob.

A poorly set up car won't run well no matter what carb/motor/trans you have in it.

Point is all being equal, a DP Holley carb is ALWAYS quicker than a vaccum secondary Holley carb.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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