Converting Drum Rear to Disk rear

[Speed Raycer]

Can you convert a 1st Gen RX7 drum rear over to Disks and be legal in IT or do you have to use the factory disk rear?

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[den]

Speed
Yes you can but,be careful to get the right rearend. Earlier ones have smaller splines and later ones have larger. Also the thread on the calipers for the brake lines are different.
Den

[rgrunenw]

There is a discussion of this swap on the following web site:

http://mrmazda.members.atlantic.net/main.html

Go to tha parts interchange link, and check it out.

Beyond what is mentioned there, I have heard there are differences in the brake master cylinder that require it to be swapped also, but I have not verified this. Perhaps somebody else on this list knows.