Does my car have aftermarket gears? - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 03-02-2011 Thread Starter
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Does my car have aftermarket gears?

I know I read something that said if you the 3.73 gears that you will hit about 2200 at 70 or 75, and right now I am hitting about 2300 rpm at 75 is that normal gears or what?

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post #2 of 6 (permalink) Old 03-02-2011
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manual trans with stock gears at 2300 = 79mph and its 77mph for an auto with factory gears

manual trans with 3.73's at 2300 = 69mph and auto its 67mph

http://www.f-body.org/gears/

calculations done with factory 225/55-16 tires


BV heads, P&P lower, windstar upper, comp 218/226, 4.2 bottom end, 3k stall, flow 40's, O/R x-pipe, Pacesetter lt's, Xcal2, 65mm tb, CAI, 8.8 w/ 3.73's, MM LCA's
coming soon: blower cam and intercooled M112
dealer for Ortiz Performance; tunes, cams, etc. PM me!
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post #3 of 6 (permalink) Old 03-02-2011
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Stock (3.27) gearing 75mph= 2182RPMs
3.73 gearing 75mph= 2489RPMs
That is for a 5-speed. Autos are about 50RPMs higher

I'd say you have stock gears.
 
post #4 of 6 (permalink) Old 03-02-2011
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Quote:
Originally Posted by Redlyr View Post
Stock (3.27) gearing 75mph= 2182RPMs
3.73 gearing 75mph= 2489RPMs
That is for a 5-speed. Autos are about 50RPMs higher

I'd say you have stock gears.
show off lmao
where you find something that exact?

BV heads, P&P lower, windstar upper, comp 218/226, 4.2 bottom end, 3k stall, flow 40's, O/R x-pipe, Pacesetter lt's, Xcal2, 65mm tb, CAI, 8.8 w/ 3.73's, MM LCA's
coming soon: blower cam and intercooled M112
dealer for Ortiz Performance; tunes, cams, etc. PM me!
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post #6 of 6 (permalink) Old 03-03-2011 Thread Starter
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Ha alright thanks guys. Just double checkin.
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