What gears to get for a 8.8 rear
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What gears to get for a 8.8 rear
Who is running a 8.8 rear and what gears are you running? Going to purchace mine as soon as i know what gears to go with.. Any ideas? The car will be a street car. only will run it in the 1/4 to see what it can do.. I drive on the freeway alot also.. Wanna still be able to drive 360 miles to LA in it.. thanks..
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[QUOTE=anderdick]where r u getting ur rear end done at & how much?? just droped mines off very pricey $2200[/QUOTE
http://www.grannysspeedshop.com/
http://www.grannysspeedshop.com/
#7
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245/50/15 on the back of the widebody, with the GSL gears, 3.90, made a 10% difference in my speedo over the stock tire/wheel combo. I need a 4.44 set to bring it back close to being accurate.
You need to look at your turbo, when it will hit full boost, what you want for top end, where you want the 'sweet spot' in the torque/hp curve and which port you are using. I myself, would go 3.90-4.10 for a street port and 4.44 for a bridgeport, with full boost coming in by 3500-4k. Ford gear sets are so cheap compared to the Mazda ones, you can buy 3 of them and play, where you would be stuck with one choice from Mazda.
You need to look at your turbo, when it will hit full boost, what you want for top end, where you want the 'sweet spot' in the torque/hp curve and which port you are using. I myself, would go 3.90-4.10 for a street port and 4.44 for a bridgeport, with full boost coming in by 3500-4k. Ford gear sets are so cheap compared to the Mazda ones, you can buy 3 of them and play, where you would be stuck with one choice from Mazda.
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Originally Posted by trochoid
245/50/15 on the back of the widebody, with the GSL gears, 3.90, made a 10% difference in my speedo over the stock tire/wheel combo. I need a 4.44 set to bring it back close to being accurate.
You need to look at your turbo, when it will hit full boost, what you want for top end, where you want the 'sweet spot' in the torque/hp curve and which port you are using. I myself, would go 3.90-4.10 for a street port and 4.44 for a bridgeport, with full boost coming in by 3500-4k. Ford gear sets are so cheap compared to the Mazda ones, you can buy 3 of them and play, where you would be stuck with one choice from Mazda.
You need to look at your turbo, when it will hit full boost, what you want for top end, where you want the 'sweet spot' in the torque/hp curve and which port you are using. I myself, would go 3.90-4.10 for a street port and 4.44 for a bridgeport, with full boost coming in by 3500-4k. Ford gear sets are so cheap compared to the Mazda ones, you can buy 3 of them and play, where you would be stuck with one choice from Mazda.
#11
I'd do 3.73's. With the stock -se rear and a 88 T2 trans it revs too high on the freeway at 70mph. 1st gear is pretty worthless also because of the 4.07's in the -se rear.
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Ok.. so when i driving on the freeway at 80 mph my tach shows 3600-3700 rpm. i have a S5 TII trans with 17" 215/45/17 tires.. is the speedo correct? I wiould like to keep it near this rpm range on the freeway.. If i go to 3:90's will my tach be higher or lower?
#15
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Originally Posted by setzep
I'd do 3.73's. With the stock -se rear and a 88 T2 trans it revs too high on the freeway at 70mph. 1st gear is pretty worthless also because of the 4.07's in the -se rear.
It creates enough load on the engine and turbo that it increases spooling.
I wouldn't recommend it for tooo big a turbo though.
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I have a GT35R T04 1.0 A/R.. So the 3:73's would be the best for me? Thanks for all the info..
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Originally Posted by Directfreak
A GT35/40 is verrry similar to mine. If you have a good tune, you will like it. Highway cruising is much improved too.
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gearing spreadsheet
Gonzz:
Shoot me a pm with your email addy and I will send you an excel spreadsheet for the 5 speed gearing. You can then insert the rear gear, tire size, and ratios for first thru fifth for whatever combination you would like to try.
If you know of some way to make the spreadsheet available for download by members let me know.
Shoot me a pm with your email addy and I will send you an excel spreadsheet for the 5 speed gearing. You can then insert the rear gear, tire size, and ratios for first thru fifth for whatever combination you would like to try.
If you know of some way to make the spreadsheet available for download by members let me know.
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Originally Posted by wecycle
Gonzz:
Shoot me a pm with your email addy and I will send you an excel spreadsheet for the 5 speed gearing. You can then insert the rear gear, tire size, and ratios for first thru fifth for whatever combination you would like to try.
If you know of some way to make the spreadsheet available for download by members let me know.
Shoot me a pm with your email addy and I will send you an excel spreadsheet for the 5 speed gearing. You can then insert the rear gear, tire size, and ratios for first thru fifth for whatever combination you would like to try.
If you know of some way to make the spreadsheet available for download by members let me know.
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