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3.18 final drive ratio? The stock differential in the 240 is a 4.08 gear. Most people that want to lower the drive ratio use the 3.96 gear from a j30, or 300zx TT.. Maybe I'm confused as to what your talking about.

Also - why did you use an Alitma Cam shaft?? the 91-92 exhaust cam has a 248 duration as well... and I've never heard of a 246 cam duration on a stock 240 cam.
 

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Aries240sx said:
I was told by Nissan that it was 246...
hmmm...
maybe I was told wrong?
It's possible...

as for the altima intake cam, it was a better choice than paying a buttload for a replacement when I started spraying and breaking things in August.
I've already blown up the motor once, and broken the rear end once...
Fyi - I think the 91-93 cams were 248 exhaust and 240 intake stock.
when it went to 95+ I think they had 232 & 232 or somethin'

I still don't understand the 3.18 final drive ratio. That seems really small.
 
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