T O P I C R E V I E W
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90 Stang5.0
Member # 2710
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posted
Whats everybodys opinion on the the new 3.90 gears.
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91sleeper
Member # 779
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posted
I would have got them if they were out when I put my 3.73's in.
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Tri-Bar
Member # 2191
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posted
Only abot 350 RPM higher than the 3.71 and lower than the 4.10's
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mustanggt5091
Member # 444
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posted
Im going to get them when a rearend rebuild becomes necessary
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Yellow94GT
Member # 431
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posted
quote: Originally posted by 90 Stang5.0: Whats everybodys opinion on the the new 3.90 gears.
Wish I had them
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88DroptopGT
Member # 2535
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posted
Even though I still have stock 3.08s, NEVER FEAR THE GEAR! 3.90s are pretty close to 4.10s IMO, I doubt you will feel much difference, except at the pump. Just my $.02 though.
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st5150
Member # 51
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posted
I think AaronC on here has them. If they existed back when I got my 3.73's, I would have gone for 3.90's instead.
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SteedaGT
Member # 2805
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posted
OK here is a question, I am running 3.55's right now and the car seems to get up there fast threw gears, shifting at 5500 rpms, how much of a Dif are you going to feel going to a 373 or a 3.90 as far as shifting speed....if that makes sence
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67aquafastback
Member # 3090
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posted
You will shift at lower speeds with the 3.90s over the 3,55s
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st5150
Member # 51
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posted
If you have 3.55's, 3.73's and 3.90's really won't be worth the $400 to upgrade.
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87 Saleen
Member # 1549
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posted
quote: Originally posted by st5150: If you have 3.55's, 3.73's and 3.90's really won't be worth the $400 to upgrade.
4.10's will
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Tri-Bar
Member # 2191
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posted
I run 4.10's with a T-5z trans I can still use first gear.I do have to shift much sooner than I did before. But I run through the gears faster to 5th. Now 5th pulls like a any other gear would. Go foe broke and get the 4.10's
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KCmustangboy
Member # 1927
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posted
quote: Originally posted by Tri-Bar: I run 4.10's with a T-5z trans I can still use first gear.I do have to shift much sooner than I did before. But I run through the gears faster to 5th. Now 5th pulls like a any other gear would. Go foe broke and get the 4.10's
I got 3.73s and I feeling the same way unless I am on a roadtrip where traffic is doing 90mph, other then that I wish I had the 3.90s or 4.10s
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sn8k
Member # 2350
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posted
--------70MPH--80MPH 3.27----2037----2328 3.55----2211----2527 3.73----2323----2655 3.90----2429----2776 4.10----2554----2919 4.30----2679----3061
RPMs shown above are appoximate - but pretty close for the Mustangs out there. YMMV [ July 24, 2003, 10:57 PM: Message edited by: sn8k ]
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