NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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RX-Midget 10-16-2002 04:01 PM

Jeff here is some detail on what I did to my clutch master to make it work better than using the stock MG/AH master. It is easy to drive yet it is not wimpy. You said yours needs to be rebuilt anyway, so this is not too $$$. You will need an '86 master, some hard line, various couplings and a flex line....



Don't rebuild the stock master. I used an '86 master and all I had to do was file out the mounting holes on the pedal box to allow the mounting studs to fit. Oh, and I think I replaced one of the studs with a bolt for ease of installation. I also had to make a new pushrod - I cut the "U" shaped end off the stock pushrod and welded it to a 1/4" bolt that I had cut the head and threaded part off of (it was a long bolt) and used it for the new pushrod.



You will also need to drill a hole in the pedal box directly in front of the clutch pedal and weld a nut (5/16" works) so you can thread a bolt in to act as a stop for the pedal to keep it from flopping around when it is released (mine had about 1" of free play because the stock pedal spring pulls the pedal all the way back). Set up this way, the clutch is the same height as the brake and works well.





Brian

RX-Midget 10-16-2002 04:11 PM

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Here are some pics where you can see the M/C

phinsup 10-16-2002 04:11 PM

I was telling my cousin about yourconversion, got him all excited LOL

RX-Midget 10-16-2002 04:14 PM

1 Attachment(s)
another

RX-Midget 10-16-2002 04:16 PM

last one

Rob x-7 10-16-2002 04:38 PM

Me likes those wheels!

j9fd3s 10-16-2002 04:56 PM

me like whole car. all of the mazda clutch masters have the same diameter, afak



mike

Racer X 10-16-2002 06:36 PM

Have you put the other fender on it yet?????

RX-Midget 10-16-2002 07:07 PM

1 Attachment(s)

Originally Posted by j9fd3s' date='Oct 16 2002, 05:56 PM
me like whole car. all of the mazda clutch masters have the same diameter, afak



mike

I thought so, but my experience was only with the '86. I have the factory manual with bore specs for the master and slave so I went with that (and since my trans/motor are '86).





The wheels are 15x8" Superlite's - custom made. I lucked out a few years ago when someone ordered them and then backed out. They were sitting in the warehouse and I got a deal on them. The original buyer was going to use them on a Midget also. Tires are Kumho ECSTA V700 225/45/15's.



Right now the car is waiting for me to start taking it apart and finish the body work and paint it this winter. I also plan to build a new front suspension with adjustable a-arms, coil-overs, and balljoints (getting rid of kingpins). I just need some good weather this weekend.....





Oh and the other fender has been on for a while as you can see...

drew 10-16-2002 08:26 PM

every time I see your car Brian, a little tear wells up... that thing is such a friggin' BEAST! https://www.nopistons.com/forums/pub...IR#>/boink.gif https://www.nopistons.com/forums/pub...#>/BURNOUT.gif

Racer X 10-17-2002 12:21 AM


Originally Posted by RX-Midget' date='Oct 16 2002, 04:07 PM
[quote name='j9fd3s' date='Oct 16 2002, 05:56 PM']me like whole car. all of the mazda clutch masters have the same diameter, afak



mike

I thought so, but my experience was only with the '86. I have the factory manual with bore specs for the master and slave so I went with that (and since my trans/motor are '86).





The wheels are 15x8" Superlite's - custom made. I lucked out a few years ago when someone ordered them and then backed out. They were sitting in the warehouse and I got a deal on them. The original buyer was going to use them on a Midget also. Tires are Kumho ECSTA V700 225/45/15's.



Right now the car is waiting for me to start taking it apart and finish the body work and paint it this winter. I also plan to build a new front suspension with adjustable a-arms, coil-overs, and balljoints (getting rid of kingpins). I just need some good weather this weekend.....





Oh and the other fender has been on for a while as you can see...[/quote]

Looks good. :bigthumg: If you swap to ball joint style front suspension won't you have to change lug patterns?

RX-Midget 10-17-2002 05:08 AM


Originally Posted by Racer X' date='Oct 17 2002, 01:21 AM
Looks good. :bigthumg: If you swap to ball joint style front suspension won't you have to change lug patterns?

Ahhhhh, that is a secret https://www.nopistons.com/forums/pub...IR#>/smile.png , But I'll be able to keep this goofy 4x4" pattern, or switch to a more common 4x4.25



I'm leaning towards the 4x4.25" pattern so that I can get wheels anywhere (Mustang 5.0's) so I can mount my race tires and a set of streets.

Racer X 10-17-2002 05:42 AM

Why not just drill it for 4x114 (FC Rx7)???Use the old phone dial wheels off the early FC's or 84-85 SE's.

RX-Midget 10-17-2002 08:49 AM


Originally Posted by Racer X' date='Oct 17 2002, 06:42 AM
Why not just drill it for 4x114 (FC Rx7)???Use the old phone dial wheels off the early FC's or 84-85 SE's.

Phone dials are heavy and I think they are a differnt size from what I use. Mustang parts are easy to find and have the correct offset.

Also, I can't go that big with the front hubs I plan to make/use :smirk:

Jeff20B 10-17-2002 10:54 AM

Hey thanks! I took about 12 pics of mine yesterday. I've got to finish the roll before I can put 'em on my webpage.

RX-Midget 10-17-2002 11:12 AM

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Jeff, here is what you should do for your rear suspension on the Midget.

Don't ask where I got this https://www.nopistons.com/forums/pub...IR#>/dunno.gif

BTW - it does not show the panhard rod, but it uses one...

Jeff20B 10-17-2002 12:18 PM

Thanks!

j9fd3s 10-17-2002 12:58 PM

thats a cool pic....



mike

RX-Midget 10-17-2002 01:28 PM


Originally Posted by j9fd3s' date='Oct 17 2002, 01:58 PM
thats a cool pic....



mike

Which one?

I assume that you mean the one on the track. It was at Summit Point Raceway in WV. I did a Track day and time trial with the NASA group. That pic was taken on my first track session with the instructor in the car. After that he bailed and let me go solo.

I ended up in 2nd in the time trial loosing by .06 sec to a Lotus 7, but I beat a Z-06 and a 911 https://www.nopistons.com/forums/pub...#>/BURNOUT.gif



I've got in-car shots if you want to see them

j9fd3s 10-17-2002 01:36 PM

i was talking about the suspension one, but the on track one is cool too. i like little cars



mike

Racer X 10-18-2002 05:28 AM


Originally Posted by j9fd3s' date='Oct 17 2002, 10:36 AM
i was talking about the suspension one, but the on track one is cool too. i like little cars



mike

Little cars are fun. https://www.nopistons.com/forums/pub...#>/biggrin.png I need to find a GLC hatchback to swap a 13b into.That would be a fun little car. https://www.nopistons.com/forums/pub...#>/biggrin.png

j9fd3s 10-18-2002 11:22 AM

i was driving a miata, this morning. i'm going to take measurements at lunch time



mike

RX-Midget 10-18-2002 11:57 AM


Originally Posted by j9fd3s' date='Oct 18 2002, 12:22 PM
i was driving a miata, this morning. i'm going to take measurements at lunch time



mike

I seen a miata with a 13B, but it was A LOT OF WORK! If I remember, the Miata engine bay is too norrow at the bottom - which is fine for an I-4, or V-8 motor, but the rotory motor is wide down low.

Besides, with a Miata, you have to pass emmissions testing (at least in MD).



Let me know how it measures out...


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