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11-09-2001, 09:51 PM
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#1 |
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Registered Member
Join Date: Oct 2001
Location: Goldendale, WA, USA
Posts: 84
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86GT Stock Gearing?
What is the stock gear ratio of an 86GT?
What would be a better highway/occasional strip ratio, 3:23 or 3:55? How much affect would either of these have on my gas mileage? |
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11-09-2001, 10:15 PM
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#2 |
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Registered Member
Join Date: Jun 1999
Location: Walker, MI, USA
Posts: 1,202
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well Dont get the 3.27 get at the lest 3.55 or maybe 3.73 I would say go with 3.73's
------------------ Engine: steel mounts, Under drive pulleys, K&N, Home ported Lower Intake, No power steering, No A/C Drive Train: 3.55, T-5z, Real power STUFF I Have and will put some time: Mac cold intake, 70MM TB, Valve covers (COOL ONES)255 Fuel pump NOS Dry 75HP, AFR 165 58cc, GT-40 Intake. Next to get: Rocker Arms,Cam,Injectors 24, What might I need???See It at www.computerconquest.com |
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11-09-2001, 10:59 PM
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#3 |
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Registered Member
Join Date: Mar 2000
Location: Boston, MA
Posts: 334
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stock gearing is 2.73 unless the person who ordered the car from the factory with the rear gear option, that would make it 3.08's... most people don't order this so i would say you have the 2.73's
do not get the 3.27's you wont notice much of anything.... but get the 3.55's or the 3.73's steve ------------------ Project Bird Turd GNC Racing & Performance Scarzi's Machine Works |
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11-11-2001, 12:05 PM
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#4 |
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The Dude
Join Date: Feb 2001
Location: Arlington, VA
Posts: 1,262
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Yep, odds are you have 2.73s. Get 3.55s or 3.73s, most people don't notice much effect on gas mileage, just that you have to shift more. Is your's an auto or manual?
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11-11-2001, 01:24 PM
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#5 |
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Registered Member
Join Date: Oct 2001
Location: Goldendale, WA, USA
Posts: 84
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It's a 5spd.
Thanks for the help, I will probably go with the 3:55s. How hard is the speedometer to recalibrate after the gear change?
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Jeremiah 1986 Mustang GT K&N Filter, Removed Air Silencer, Black Magic Fan, 65mm Explorer TB, 110lph BBK Fuel Pump, F/M Force II Cat -Back, O/R h-pipe, U/D's Timing@14* 1986 Mustang LX SSP--new project car AOD, 3.27's, Dumps, 238k miles |
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11-11-2001, 03:13 PM
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#6 |
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Registered Member
Join Date: May 1999
Posts: 5,246
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All it takes is a speedo gear change. That's about 10min.
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