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blue
01-29-2005, 06:27 PM
Hey i have a 95 cat, with the 3.8, Im doing a 8.8 upgrade rear end with 410 gears, I knw i need to get a chip to fix my shift points and speedometer, is there ne thing else i will need to get to make it perfect.

dave,

blue
01-30-2005, 01:20 PM
is that it then,

BlackbirdSC
01-30-2005, 01:31 PM
You'll haveta change the gear for the speedo. It's a sensor that plugs in the tailshaft of the transmission. Going to 4.10s will probably put you at the highest tooth count gear there is (23t I believe) and that gear isn't claimed to last a long time.

4.10s are awfully steep for the street. But in a NA 3.8 would probably be ok.

racecougar
01-30-2005, 03:39 PM
Plan on getting a custom driveshaft (like the MMX ones). The stock one will not like being spun that fast (you'll have a big vibration at speed).

-Rod