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Author
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Topic: Rear gear ?
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Fastymz
Moderator Posts: 20638
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-25-2004 12:59 PM
   
If all other things stayed the same, like same motor,trans, traction ect.
Going from 3.40 gears to 3.80 gears what would or could expect to pick up in the 1/4mile,1/8mile.
Also same question but different car. My dads 88GT he has 3.08 gears now I got him some 3.55 gears what would that do ?
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SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Ken
Gearhead Posts: 4849
From: Prospect, Ct. M&M Member No. 31 MCA Member 49299
Registered: Jun 99
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posted 08-25-2004 08:17 PM
quote:
Originally posted by Fastymz:
3.40 gears
I'll get those 3.40's yet !!! ------------------
What makes men chase women they have no intention of marrying?
The same urge that makes dogs chase cars they have no intention of driving. Ken
1965 Springtime Yellow Coupe - 302GT40-4spd
Edlebrock RPM Air Gap - 670cfm Holley Street Avenger
Roller Cam - Duration 282'/282' @ 050 220'/220' lift 0.512
and much, MUCH MORE !!!
My 1965 (aka RUMBLE BEE) Photo Page
1995GT 5.0 Laser Red - 35000 original miles - 5spd - Coupe
2000 F150 4X4
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Fastymz
Moderator Posts: 20638
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-25-2004 08:48 PM
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SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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capri man
Gearhead Posts: 7221
From: doerun, ga.
Registered: Nov 2000
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posted 08-25-2004 09:04 PM
ron the only way to find out is to try them!! every car is different. i went from 4.10 to 4.56 in my car and the ONLY thing that changed was the rpm at the finish line!------------------
mike r
racing is real
everything else is just a game.
81 capri-302-7.33 @92mph 1/8
1.54 60 ft. http://www.angelfire.com/ny5/billswebsite/pg06.html
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steve'66
Gearhead Posts: 9476
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 08-26-2004 01:01 AM
Depends on your engine's power curve. If you put lower gears with a stock engine that can't make h.p. at upper rpm ranges then you'll just be making more noise and possibly slower et's. It's all got to be matched, not just the engine components, but the tranny ratio and the overall gear ratio to be effective. So I guess I'm saying, it depends.  SteveW p.s. Ron, in your case the lower gears will help, but they sreate a traction problem too. But with equal traction they'll be quicker.
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