-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Andy Nielsen
Sent: Tuesday, 19 June 2001 12:00
To: [EMAIL PROTECTED]
Subject: Parts advice.....
Any help is greatly appreciated......
One thing I need urgently for my car is a thin, big thermo fan. Or maybe
two small, thin thermo fans. At the moment I'm running a huge engine fan
which is stealing lots and lots of horsepower. And it's noisier than my
turbo. :(
[Plenty to choose from at the wreckers, R31 Skylines/Pintara have a 12" fan
although with a huge cage but I think you can lose that.]
What brand of Bleed off valve should I buy to wind up the boost???
[Make your own, you can read how in the Turbo edition of Zoom and I'm sure
I've seen easy to do articles on Autospeed]
How much difference would a full 3" exhaust make. At the moment I'm running
a huge dump pipe into a 3" mendrel bent exhaust which changes to 2.5" at
about the middle of the gearbox.
[If you're under 300hp and running a stock internal vortex type wastegate
not a lot if anything at all. I had this proved to me at a dyno session
years back, using FJ20's but still conclusive]
What is the highest gearing I can get in a R180 diff?? At the moment I'm
running a 3.9 but I need about a 3.5 Do they exist??
R180 ratios
3.36 auto 240Z
3.54 4 speed 240K and auto 240K, 260Z, 280Z
3.70 5 speed 240K, 5 speed Zeds
3.90 C210 Skyline (manual & auto)
Others 4.11 4.3, 4.8, 5.1
Thanks,
Andy.
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