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Author Topic:   Secondary pv or not?
V8 Thumper
Gearhead

Posts: 4044
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 04-19-2003 09:56 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
What is the benefit, and what jetting is required to compensate for the removal of a secondary power valve?

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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Moneymaker
Administrator

Posts: 21725
From: Lyons, IL, USA
Registered: May 99

posted 04-19-2003 10:07 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
I don't like a secondary PV.
You normally need to go up 5-10 jet sizes when you remove one.

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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,&'03
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."
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www.moneymakerracing.com

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steve'66
Gearhead

Posts: 7226
From: Sonoma,CA,USA
Registered: Mar 2000

posted 04-19-2003 10:41 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Todd,

I agree for the street. For a drag car, remove both of them.

SteveW

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