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Author
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Topic: what rear gear ratio?
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madmanmike
Journeyman Posts: 18
From: brenham,Texas,washington
Registered: Oct 2002
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posted 11-10-2002 06:34 PM
   
I have a 68 mustang 3188 lbs with me in the car I ran the car last night and the car ran 7.20 at 96 mph 1.67 60 ft the rpm was 6500-6700 thru the lights 1/8 mile I have a tunnel ram 12.2 comp roller 683lift 262-267@ 050 300-305 total 106 l/c c-4 5000 stall , 28 tall et streets 4.10 gears leaf springs Im shifting the car at 7500 . what gears should I be running with this size camshaft?
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steve'66
Gearhead Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 11-10-2002 07:41 PM
I'd run 4.56's in your car.
Here's a link to a handy calculator,
http://www.randysringandpinion.com/home.shtmlSteveW
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jsracingbbf
Gearhead Posts: 1677
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 11-10-2002 07:57 PM
IS it a Street car? or ALL Race?
Jerry
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 11-10-2002 08:16 PM
ET Streets???? 
Loose the bullsh*t tires and get some real slicks. 
The we can talk seriously about gears.  ------------------
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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