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Diff for daily driver 

 

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Posted: Mon Dec 04, 2006 6:12 pm 
Getting Side Ways
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Location: Perth
WA, Australia

Yeah I'll just change the speedo gear
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Posted: Mon Dec 04, 2006 9:00 pm 
Getting Side Ways
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Ride: BF MKII V8 Fairmont Ghia

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you will then however have trouble hitting the rev limiter before gear changes.

ecu is coded for the 3.08/3.23 or 3.45 diff wasnt it?

so your ecu will want to change at say 80km/h in first. however you new diff will only allow 65, then your going to have trouble.

 

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Posted: Mon Dec 04, 2006 9:02 pm 
Getting Side Ways
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Ride: ef fairmont turbo

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Gaz wrote:
you will then however have trouble hitting the rev limiter before gear changes.

ecu is coded for the 3.08/3.23 or 3.45 diff.


thats what i was thinking

 

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96 EF FAIRMONT
Garrett gt40turbo, iceman plenum, ported head, turbo cam, double valvesprings, 023 fuel pump, 36lb injectors 4' cat, 4' dump, 2.5 exhaust, build bottom end, hypertonic pistons rods & rods, king bearings, j3. c10 3500 stall
232rwkw@4psi

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Posted: Tue Dec 05, 2006 12:44 am 
Getting Side Ways
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Ride: V8 T5 Fairmont & BA XR6T

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NSW, Australia

if you fit the jaycar speedo corrector in the trans loom before it gets to the ECU, you shouldnt have a prob, as the revs will be higher than the speed at which you were previously doing.

Ive got 3.7's in mine and Ive noticed no difference in fuel consumption, however mine is driven flat out most of the time no matter what ratio, so I guess thats why I havnt noticed any difference.

 

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