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Author Topic:   Distributor advice
cobravenom71
Gearhead

Posts: 831
From: Kissimee, Fl USA
Registered: Aug 2002

posted 03-06-2003 09:11 AM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
Most factory distributors come with the least agressive reluctor arm in use, with the more agressive one on the other side. Everything I've ever read about recurving a distributor suggests to change to the highest degree reluctor arm in the distributor, say from a 12 to a 15, or something like that. The claim is that more advance will improve accleration and mileage, and generally make the car run better.
If this is so, why would the factory ever put the 'slower' arm in place to begin with? What is the advantage(to the manufacturer) in using the lesser arm? Is it because they can specify low octane (regular) fuel?
And secondly, are there any disadvantages in switching to the higher rated setting?

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1971 'J' code 429 Mach 1
1976 'Starsky & Hutch' Torino (460)
1973 Grande
1973 Mach
1973 Convertible

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Just Strokin
Gearhead

Posts: 754
From: Tuscaloosa, Alabama
Registered: Dec 2001

posted 03-06-2003 09:15 AM     Click Here to See the Profile for Just Strokin   Click Here to Email Just Strokin     Edit/Delete Message   Reply w/Quote
Three letters answers it all......

EPA

and maybe one state.....

California

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Larry

No fast Fords at this time but one fine cruising 96 F350 CC DRW Power Strokin diesel.
And one rusty 64 Fairlane nick-named the Rust Bucket....And sometimes called the Money Pit...

The sounds of a brain dropping into gear.....
"Buzzzzzz.......Click"

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capri man
Gearhead

Posts: 4320
From: doerun, ga.
Registered: Nov 2000

posted 03-06-2003 09:34 AM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
here is a great article on distributors.

http://www.fordmuscle.com/archives/2000/03/timing/index.shtml

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mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft.
http://prestage.com/site/site_display.asp?SiteID=141

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Moneymaker
Administrator

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

posted 03-06-2003 12:38 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Emmissions and fuel quality inconsistancy.

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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."
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!"
www.moneymakerracing.com

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cobravenom71
Gearhead

Posts: 831
From: Kissimee, Fl USA
Registered: Aug 2002

posted 03-07-2003 09:18 AM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
So, is it a good idea to switch to the more agressive reluctor arm in the distributor? Specifically, I am referring to my 79 Lincoln MK-V. It has a 400 2-V and it is amazingly gutless, although it does drink alot of gas! The rear gear is a 2.53! ( I never knew they made them that 'tall'). Obviously, not a real 'performer'. Anything to help mileage or peformance is an improvement.

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1971 'J' code 429 Mach 1
1976 'Starsky & Hutch' Torino (460)
1973 Grande
1973 Mach
1973 Convertible

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cobraii351
Journeyman

Posts: 58
From: Altoona, PA
Registered: Jun 2000

posted 03-07-2003 09:51 AM     Click Here to See the Profile for cobraii351   Click Here to Email cobraii351     Edit/Delete Message   Reply w/Quote
"That Tall" I've seen a little stranger than that. I was walking through a "yard" one day and came up to a 78-79 couger lying on its side. Just screwing around I gave the one rear tire a spin. the driveshaft was missing and I noticed the other drum spun the same direction! I get out my handy scraper and and scraped the ID tag I found a beautiful 2L47 on it. A 150 MPH traction lock. And yes I took it home with me. But I tossed the gears.

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76 Cobra II
351W powered
C90x "shelby" intake
Ported D0OE heads
Holley 600

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cobravenom71
Gearhead

Posts: 831
From: Kissimee, Fl USA
Registered: Aug 2002

posted 03-07-2003 12:35 PM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
How could a gear like that ever create enough torque to need a LS diff?

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1971 'J' code 429 Mach 1
1976 'Starsky & Hutch' Torino (460)
1973 Grande
1973 Mach
1973 Convertible

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SundanceKid
Gearhead

Posts: 1137
From: UT
Registered: Feb 2001

posted 03-07-2003 12:56 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
I had 2.50's and a limited slip in the Versailes rear I bought.

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Buster
Gearhead

Posts: 1238
From: Orlando
Registered: May 2002

posted 03-07-2003 08:30 PM     Click Here to See the Profile for Buster   Click Here to Email Buster     Edit/Delete Message   Reply w/Quote
Well, clost Just Strokin, the answer is EGR... and fuel too.

An EGR valve reduces Kx gases and combustion chamber temp, therefore you can run more advance.

Just remember to dubble that number on the advance stop... on both advances.

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SteveLaRiviere
Administrator

Posts: 37258
From: Saco, Maine
Registered: May 99

posted 03-07-2003 08:36 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by cobravenom71:
How could a gear like that ever create enough torque to need a LS diff?


Remember, the original reason the factory equiped cars with limited slip was for traction in slippery weather, not performance.

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'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

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