86/na What Rotors Can I Use?

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10-12-2003, 03:32 PM

tewquick2c

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Join Date: Apr 2003

Location: Ontario

Posts: 94

Help please, I have an 86 na and im thinking of buying an 87 housing what years of rotor can i use?

10-12-2003, 04:03 PM

crackheadmel

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Join Date: Jul 2003

Location: New Hampshire

Posts: 119

from what ive read any of the rotors in the engines 86 on (well im not sure about the rx8)

the s5 n/a rotors have a 9.7:1 cr which is the highest available i belive would be your best choice IMHO

10-12-2003, 04:11 PM

rx7_re

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Join Date: Jun 2003

Location: Chicago

Posts: 226

You can use the 86-88 NA rotors with no problem.

If you want to upgrade and get the higher compression 89-91 Na rotors you need to also get the 89-91 NA flywheel and front counterweight.

10-12-2003, 06:21 PM

Robbomaz

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Join Date: Oct 2002

Location: Perth, Western Australia

Posts: 343

Quote:

Originally Posted by crackheadmel' date='Oct 13 2003, 05:03 AM

from what ive read any of the rotors in the engines 86 on (well im not sure about the rx8)

the s5 n/a rotors have a 9.7:1 cr which is the highest available i belive would be your best choice IMHO

Just finished building a NA PP 13B for a race car with Renesis 10:1 rotors..

The apex groove had to be machined to take the Hurley seal as the Renesis groove has a taper but other than that no ish. Motor gets lit this week