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When you buy a different gear ratio do you calibrate speedometer?

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Old 08-28-2008   #1 (permalink)
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Question When you buy a different gear ratio do you calibrate speedometer?
So When you buy a different gear ratio do you have to calibrate the speedometer, is that the only thing that gets thrown off or is it for other things to cus if its only the speedometer im just going to wait to get the calibrator.....
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Old 08-28-2008   #2 (permalink)
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nope the speedometer is the only thing that gets thrown off. you might get thrown off because of the change in acceleration though!
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Old 08-28-2008   #3 (permalink)
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nope the speedometer is the only thing that gets thrown off. you might get thrown off because of the change in acceleration though!

exactly right lol what gears are you gonna go with?
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Old 08-28-2008   #4 (permalink)
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exactly right lol what gears are you gonna go with?


3.73s... i think the 4.10s will be to much... just in mind my mustangs an automatic...
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Old 08-28-2008   #5 (permalink)
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yeah the 3.73's are a good choice..... you will love the feel of em........
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Old 08-28-2008   #6 (permalink)
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yeah the 3.73's are a good choice..... you will love the feel of em........

yea i hope so... haha
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Old 08-28-2008   #7 (permalink)
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I have a 5 speed and got 4.10's and I love them. highway speeds are still fine around 70 mph im at 2000 rpm's in 5th. since ur auto i would def do 4.10 u wont feel too much goin with just 3.73 on a auto
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Old 08-28-2008   #8 (permalink)
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So do i need like a hole kit combo deal with the bearings and everything or can i just get the ring and pinion???



this...

Summit SUM-CSUM20011 - Summit Mustang Ring and Pinion Gear Combos - summitracing.com



or this....

Ford Mustang 3.73 Gears at AmericanMuscle.com - Free Shipping!
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Old 08-28-2008   #9 (permalink)
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when i bought mine i just bought the gears and the install kit seperate from ebay. the shop you get to install the gears will help you out with the lube and stuff. that kit you are looking at from summit comes with some stuff you dont really need like the diff. cover you dont need unless you just want to have a new one.
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Old 08-28-2008   #10 (permalink)
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here are the gears from brenspeed for a little cheaper and they are really great people to shop with.....

eBay Motors: 3.73 GEARS FORD MUSTANG 8.8 RACING RING PINION F888373 (item 300251818197 end time Aug-29-08 22:47:03 PDT)
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Old 08-28-2008   #11 (permalink)
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Quote:
Originally Posted by QwikSilver07 View Post
here are the gears from brenspeed for a little cheaper and they are really great people to shop with.....

eBay Motors: 3.73 GEARS FORD MUSTANG 8.8 RACING RING PINION F888373 (item 300251818197 end time Aug-29-08 22:47:03 PDT)


so really all i need is the ring and pinion and i can just use all the old parts that i already have...?
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Old 08-28-2008   #12 (permalink)
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its worth buying new bearings for the extra 75 bucks its nice not to worry. also if you have an auto trans it can also throw off the shift points in the trans
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Old 08-28-2008   #13 (permalink)
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here is the install kit you will need its from brenspeed also........ the gears and this kit will give you a complete install.........


MASTER GEAR INSTALATION SHIM & BEARING KIT FORD 8.8 MOTIVE
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Old 08-28-2008   #14 (permalink)
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I like brenspeed.com Ive been to their shop good plp know lot bought stangs and good prices hear is their # if u wana talk to seth 1-574-594-9559
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