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Ef revs out after fitting 3.45,s 

 

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 Post subject: Ef revs out after fitting 3.45,s
Posted: Tue Jul 08, 2008 7:19 pm 
Getting Side Ways
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SA, Australia

I have just fitted 3.45 gears to my ef futura and now when you floor it,it holds the gear too long and revs past redline to about 5800-6000rpm.
Definitely not a good look.
Any ideas why this is happening?
The car has a vernier gear,extractors,2.5 zorst,2.5 cat,cai and vortex 98 fuel.
The cam timing is advanced at 4 degrees.

 

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Posted: Tue Jul 08, 2008 7:20 pm 
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Ride: ford falcon au3 xr8

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did you change the speedo gear???
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Posted: Tue Jul 08, 2008 7:22 pm 
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Power: 237 rwkw

Location: Melbourne
VIC, Australia

You changed the speedo sender gear obviously?
Need a speedo corrector to 'uncorrect' the speed signal to the ECU to make it shift right.
If you do a search the reasons why have been covered alot of times.

 

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Posted: Tue Jul 08, 2008 9:02 pm 
Getting Side Ways
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I just found my answer.

 

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