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07-18-2001, 01:08 PM | #1 |
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Join Date: Apr 2001
Location: Staging lane
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Gears: Can you really knock off 9 tenths?? "ET GUESSES"
One of the salesman for the company that I work for who also builds race car engines told me that some of the cars that he has worked on have dropped 9 tenths in the quarter with a simple gear swap.
I was expecting to knock off about 5-7 tenths in the quarter after my gear swap from 2.73's to 3.73's. This will be the first "major" mod that I have done to my car and I cant wait to see how much it helps, also after the gear swap should I run more MPH than I am now? ------------------ 88 mustang gt convertible bored to 306 BBk equal length headers mac cold air fender kit cowl hood nitto drag radials ford racing clutch flow masters h-pipe 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs. best 60 ft 2.14, best 1/8th 9.65, best 1/4 15.2 @89mph, Stock gears and 3000+ Altitude |
07-18-2001, 07:16 PM | #2 | |
Undescribable
Join Date: Sep 1998
Location: Ft Myers Fla
Posts: 1,539
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Quote:
you'll pick up a bit but not close to 9 tenths, more like .2-.3 as for m.p.h to increase mph you need more hp. ------------------ 93-LX: 5 Speed, Flow's with H-Pipe, 3.73's Sub's and K&N. |
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07-18-2001, 08:22 PM | #3 |
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Join Date: Jun 1999
Location: Walker, MI, USA
Posts: 1,202
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I just got 3.55 form 2.73 and so far I have not got a clean run I have only made it 3 gears a costed to my best Time ever I costd 2.5 sec I will tell what I get This week some time. The car seems MUCH FASTER now.
------------------ 1988 LX 5.0 Was 3060lbs (full Tank) 14.62@96.9On a Gtech Drivetrain: 3.55, World Class T-5, Lakewood Bellhousing, Adjustable Cluch Cable, AL Driveshaft, Manual Steering Rack Suspension: MAC Control Arms,Maximum Motorsports Front Grip Package, H&R Sport Spings, Bilstein Shocks Engine: Steal Mounts, K&N, Under Drive Pulles Exhaust: 1 5/8 Un-Equal Length Mac Headers, X-pipe W\cats, Edelbrock cat\back Cooling:3 Core Radiator |
07-18-2001, 11:50 PM | #4 | |
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Join Date: Dec 2000
Location: OK
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Quote:
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07-19-2001, 03:02 AM | #5 |
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Join Date: Jun 2000
Location: ventura,CA
Posts: 438
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5-7 tenths max!
------------------ 92 GT, 4:10 gears, centerforce clutch, 6# powerdyne blower, bbk h-pipe, flowmasters |
07-19-2001, 10:45 PM | #6 |
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Join Date: Sep 1999
Location: Deltona Fl
Posts: 140
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Well, I dropped 7/10's by swapping to a five speed. Though I dropped some spinning weight, it's basically a change in gear ratio. It went from 2.40 1st gear, to 3.35, which is like having an auto with 3.73's.
Now, I went to 3.55's from 2.73's and my traction went to sh!t. I went from 14.7(@65*) to 15.0 (@95*). The temperature differences would probably equal out the times, but I was pissed. ------------------ 90LX Ragtop. 14.7@95.3 Strut tower brace, K&N, 2.25'' Flowmasters, Hollow cats, Crank pulley, Crane 2031, Crane rockers, Holley FPR, 155lph, Heavy duty clutch, and alum quadrant. Need Gears Bad!!! |
07-20-2001, 12:33 PM | #7 | |
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Join Date: Jun 2000
Location: Kitchener Ontario Canada
Posts: 239
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Quote:
------------------ C ME FLY 88 Notch MAC headers, H-pipe, and Chrome 2.5" pipes, pullies, K&N filter, BM shifter, 17" ROH ZR6, Dropped 1.5". |
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07-21-2001, 08:23 AM | #8 | |
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Join Date: Jun 2001
Location: West Melbourne, FL, USA
Posts: 237
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Quote:
------------------ 93Cobra#3974 off-road h-pipe, 2chamber flowmasters, hurst shifter, moroso cold-air induction, march street pullies, best 1/4 14.461 at 98.15mph, best 60' 2.233 |
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