Hi Paul,
I just finished installing the Renesis wp on my 20B.  It turned
out to be much more work that I had planned, but the end result
was worth it.  Of the things that had to be changed were,

1) replace mounting studs with longer studs (McMaster),

2) change main hub and pulleys,

3) change alternator pulleys,

4) replace deep-v belts with multi-v belts,

5) relocate CAS sensor (new bracket) due to different location
of CAS timing wheel,

6) install your Renesis WP adapter,

7) re-plumb lines,

8) modify Renesis crank hub to work on 20b,

9) fabricate .040" spacer to get Renesis hub to fit properly.

So, this "minor mod" turned
into a major deal in short order.  But now that its done, I'm
happy to know that I have shed 6-7# in the process.  And I can
get a replacement cartridge at any major parts house or Mazda
dealership.

 Mark


 Nice work Mark. I see you put our old wiggins couplings on the
 water block. The lower hole in the water block was intended
 to take a flush pipe plug so the slide throttle could
 be a bit closer to the engine. Did you have to move the slide
 throttle out? For the new people doing the same thing Jeff
 has a few of these water blocks made.

 Paul Lamar


 Paul,

Yes, I used the old wiggins couplings as a certain somebody won't make any
new ones.  So, I had to reuse the old ones.  I used what I had on hand at
the time in the lower hole until I could get the correct one.  Upper hole
is
used for temp sensor.  I had to take the adapter off today because of a
small leak.  Everyone needs to know that there's a special ($8.50/ea) metal
gasket that goes between the thermostat housing adapter and water pump.
 I'll be putting it back together tomorrow.

Mark

You did a nice job Mark. I put your pictures up on the
web site so people can see how to do it right.

I think Jeff is real busy with his new NC lathe so
he may not have the time. If I farm them out to somebody
else I might have to charge $50 a set. How many want
Wiggins couplings again? Burns stainless charges $100.

Paul Lamar

Paul,

I bought 6 the first time around and just used the last one.  I'll take 2
more (spares).

Mark