Newbie turbo owner help

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05-11-2014, 07:54 AM

#16

Guybrush Wilkinson

Racer

Join Date: Sep 2008

Location: Finland

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Quote:

Originally Posted by DaveCarrera4

have to disagree, it's not about rubber versus metal density, it's about total weight of the tire and wheel combo. Unsprung weight decrease is the goal.

2002 Turbo - Basalt Black Metallic / 2003 Carrera 4S - Speed Yellow / 1955 356 Continental 1500 - Rust Red

Youre absolutely correct.

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05-11-2014, 02:56 PM

#17

Melb-Mike

Instructor

Join Date: Dec 2013

Location: Melbourne, Florida

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Quote:

Originally Posted by sanyata

Yes the 997 C4S wheels will fit without issues. I don't know if those tire sizes are within spec for the rolling diameter though so I'd check on that. There needs to be less than 3% difference between fronts and rears preferably with the rears being the slightly larger of the two.
Congrats on the new ride!

Do you mean within 3% of the original sizes or 3% between front and back ? New to me as well, I've wondered about the transfer case coupling front to back. I'm not sure if the connection is a viscous type hydraulic or mechanical with viscous differential drive on he axles. Also, doesn't wheel offset also make a difference on the fronts ?

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