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Author
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Topic: (another) Holley calibration question
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V8 Thumper
Gearhead Posts: 4681
From: Phoenix, Arizona
Registered: Dec 2001
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posted 09-03-2002 11:52 PM
   
For anyone who isn't familiar with my motor, 333ci Windsor w/ Trick Flow heads (2.02/1.60), Comp 270S, RPM Airgap, Hooker SuperComps, four speed trans, 3:70 gears on 26" tall tires. I'm running a 3310-1; 68's and 73's, 6.5 pv's, 32 squirter. The off idle response is very crisp  , but while cruising, if I get on it some it's got just a bit of hesitation before mashing you back in the seat. The porcelin of all 8 plugs is damn near white  , but the base ring and top two threads are sooty black. Reading the ground strap, I could be one heat range too hot. This read isn't a full power pull, I'm wanting to tune the carb's idle & primary circuits first. What direction would you guys go with it?Note: did have a flooding problem... tore it down & blew it out, put an old 10.5 pv in the primary block... seemed to help the stumble a bit, didn't change the plug read .
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Moneymaker
Administrator Posts: 27499
From: Lyons, IL, USA
Registered: May 99
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posted 09-04-2002 12:01 AM
10.5 power valve??????????????????????? ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA/MCA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
Professional Manwhore
The Barry of BarrysGrrl Quote: "I never met a magazine mechanic I liked."
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V8 Thumper
Gearhead Posts: 4681
From: Phoenix, Arizona
Registered: Dec 2001
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posted 09-04-2002 12:03 AM
NOT a genuine Holley part, an old 'spare' I had in the toolbox, stamped 10.5...
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DidgeyTrucker
Gearhead Posts: 1631
From: Greenbrier, TN USA
Registered: Oct 99
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posted 09-04-2002 12:10 AM
I've got a 105 in my 3310-1 on my 351C. It stumbled with the 85. And I have 15 inches of vacuum at idle. Yeah, the 105 works great. I haven't really played with the 65 in the seconday block yet because I don't feel any problems.Tracy
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V8 Thumper
Gearhead Posts: 4681
From: Phoenix, Arizona
Registered: Dec 2001
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posted 09-04-2002 12:14 AM
Yea, I've got 14" vac at idle speed of 780-800 rpm... a bit suprising concidering those intake valves and cam
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V8 Thumper
Gearhead Posts: 4681
From: Phoenix, Arizona
Registered: Dec 2001
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posted 09-04-2002 06:17 PM
The carb at my local speed shop is suggesting 8.5 pv's to start with, maybe going to 9.5's depending on how the motor reacts. Sound right?
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Moneymaker
Administrator Posts: 27499
From: Lyons, IL, USA
Registered: May 99
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posted 09-04-2002 06:24 PM
Nope!  ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA/MCA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
Professional Manwhore
The Barry of BarrysGrrl Quote: "I never met a magazine mechanic I liked."
IP: Logged |
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