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| Nash_QCKSIX |
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Hey i work on a lot of falcons and have found that the ratios vary a lot between the models. i have an el fairmont and i got it with a 3.23 single spinner. i plan on changing to a 3.45 XR8 LSD eventually. i was just wondering if anyone else has found that they have different gears from the standard 3.08 diffs?
_________________ 99 AU1 XR8 Ute, Manual /// 97 EL Fairmont, 5 speed manual, Super Lows, Tickford Head, Crow cam, Vernier Gear, Double valve springs, Balanced Bottom End, Hi tech Headers, Hi flow Cat, 2.5" cat back, muff and resi, K&N pod in Airbox, C/D/S rotors all round, EL GT Rims, 3.45 LSD Diff. |
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| Seannyb |
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i have a 3.23 v8 single spinner, according to the boys at ford some time in july 92, ford swapped over to the v8 diff instead of the I6 diff, the only difference is the v8 one is slightly stronger.
_________________ Car Killer. |
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| stockstandard |
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3.08 was only the standard in later model e-series gli's. 2.77, 2.92, 3.08, 3.23, 3.27, and 3.45 are all used depending on model.
_________________ Stoke me a clipper, I'll be back for Christmas |
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| ReGiE |
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i had a 3.27 and not got 3,45
_________________ Gooooone - Eb2 Coon - 143RWKW |
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| MYLO_XR6 |
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go for a 3.7 ??? better take off, and not over the top for street use like a 4.11
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| Grechie |
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ai guys i need to no wot RPM ppl do with there difs @ 100 km/h?
i currently do 2100rpm in 5th gear @ 100km/h, i suspect it ISNT a 3:27, i beilive its possibly a 3:45...
_________________ Ford Falcon EA Naturally Aspirated 4.0L i6 |
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| Eu-GenixX |
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i think mine is a touch under 2000 rpm in 5th.. and i got a 2.92
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| Nato82 |
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I change from a 3.08 single spinner to 3.23 LSD. I didn't change the speedo module (couldn't bother) so I just used a simple calc. to figure out rpm over speed as follows:
3.08 diff @ 100kph = 1750 rpm so.... 1750rpm (100kph) / 3.08 = 568.1818 (32.4675) 568.1818 (32.4675) x 3.23 = 1835rpm (104.87kph) so the result is when my speedo says 105, I'm doing 100 @ 1835rpm. I hope that is simple to understand.
_________________ - May 1994 ED Falcon Futura sedan
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| Steady ED |
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3.27 slippy diff in the Sprint,
3.08ss in the mont, changed to a 3.45ls.
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| RuchEa |
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Nash_QCKSIX wrote: Hey i work on a lot of falcons and have found that the ratios vary a lot between the models. i have an el fairmont and i got it with a 3.23 single spinner. i plan on changing to a 3.45 XR8 LSD eventually. i was just wondering if anyone else has found that they have different gears from the standard 3.08 diffs?
Ay if your gonna run with 18'' wheels you'd be better of with even shorter ratio than 3.45 coz of your distance travelled per wheel rotation. If you run 3.45 diff with 18'' wheels its a similar ratio to 15'' wheels runnin 3.08 diff. your losin out on take off coz of your wheel diameter.
_________________ EB XR6 project almost complete!
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| Seannyb |
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does anyone know where to get 3.45 gears new.
If i was to go from a 3.23ss to a 3.47lsd i cant use any of the old diff can i? So i cant just throw in gears and make em both spin. How about if i had a 2.92 and got 3.47 gears?
_________________ Car Killer. |
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| Nash_QCKSIX |
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yeah thanx buddy. 3.7 gears mite be the way to go. but i dont wanna spend too much money on this car i want a stockie au 5 litre. make a nice sleeper out of it. you can get new diff gears from preston diffs and trans but they won't be cheap. i got quoted $1200 or sumfin a new complete assembly.
_________________ 99 AU1 XR8 Ute, Manual /// 97 EL Fairmont, 5 speed manual, Super Lows, Tickford Head, Crow cam, Vernier Gear, Double valve springs, Balanced Bottom End, Hi tech Headers, Hi flow Cat, 2.5" cat back, muff and resi, K&N pod in Airbox, C/D/S rotors all round, EL GT Rims, 3.45 LSD Diff. |
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| ex-cabi |
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stockstandard Posted: Thu May 11, 2006 10:17 pm Post subject:
-------------------------------------------------------------------------------- 3.08 was only the standard in later model e-series gli's. 2.77, 2.92, 3.08, 3.23, 3.27, and 3.45 are all used depending on model. so what was the ratio on early model EF's do u no? |
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| ex-cabi |
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ex-cabi wrote: stockstandard Posted: Thu May 11, 2006 10:17 pm Post subject:
-------------------------------------------------------------------------------- 3.08 was only the standard in later model e-series gli's. 2.77, 2.92, 3.08, 3.23, 3.27, and 3.45 are all used depending on model. so what was the ratio on early model EF's do u no? so what was the ratio on early model EF's do u no? |
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| stockstandard |
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I might be wrong, but of the top of my head -
3.08 for auto gli 3.23 for manual GLi's 3.23 for fairmonts, futuras, and XR8's 3.45 for XR6
_________________ Stoke me a clipper, I'll be back for Christmas |
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