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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Mon Apr 21, 2014 7:13 am 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
Alright, so with my Rx2, ovbiously i've got the super common 4x110...

so was curious, what are ways i could convert to either a 4x100, or (best case lol) 5x114.3??? since i've got a 89 FC it would be very helpful to have the same bolt pattern. since i've got multiple sets of wheels.


Also another Similar Question. Stud Conversion?? how are you guys going about converting to Studs and Lug nuts?

Sorry still kinda new to the O.G. Rotary Club lol

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Wed Apr 30, 2014 6:22 am 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
Finally Put some time into my Rx2 (minor time... lol)

So, Decided i wanted to get my Clutch System working again. noticed the slave cylinder looked old. so i blamed it for the failure. ordered and new clutch slave.... got the wrong one.... reordered a fb clutch slave. beautiful! bled the system felt a little pressure.... pushed it with my foot...... bam to the floor no pressure... lol looked under the dash.... leaking from the master.

oooh man... now i gotta find one of these!?!? a quick search (amazingly!) found me a New for 50$ or a Rebuild kit for 16$. having never actually rebuilt one. i decided to try it. ordered the rebuild kit and got the parts in monday. nice looking kit, pulled the master off yesterday and started the process.

Such a easy thing to do. kit came with a updated sythetic piston which is supposed to reduce build up and scoring of the cylinder. cleaned and honed the cylinder to clear the rust out. reinstalled and bled. amazing. very happy with the process and now i have a hydralic cutch system. Pictures of the fiasco, as well as the Kits Part number for those wanting/needing to do this.

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Fri May 02, 2014 7:47 pm 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
alright, so found a interesting issue that has come out of no where.

Trying to get my Rx2 started and found that when i turn the engine over with the Key in "Start" the engine fires and starts up, soon as the key goes back to "on" its almost as if the car was turned off. will not stay running. havn't had a chance to really look at it (work.....) so just looking for places to start once i get a free day (sunday) Any Ideas would help! Thanks guys!!


Oh

Specs: 1974 Rx2 Sedan 12a SIngle Dizzy, Factory Carb

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sat May 03, 2014 10:59 pm 

Joined: Sun Jun 05, 2011 5:07 am
Posts: 59
Location: Geelong, Australia
That ignition problem will most likely be due to the coils seeing 12v during cranking, but not once you flick back to reds. The coils on these cars are supplied with two 12v feeds, one is ignition switched 12v, the other is cranking 12v. I'd say there is either a problem with the ignition 12v wire, or it isn't connected.

You could always try connecting ignition switched 12v from elsewhere to confirm, or even constant power from the battery but be aware that the car won't shut off if you connect it to constant power until you disconnect the wire to the coils.


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sun May 04, 2014 4:37 am 
JNC Enthusiast

Joined: Wed Mar 11, 2009 6:09 pm
Posts: 614
Location: Australia
I like your thinking Ben, also check the ignition coil relay which bypasses the ballast resistors during startup. If you have an electronic ignition you don't need either of these components and they should be disconnected as part of the conversion. You should be using electronic compatible coils that don't need ballast resistors but that won't be your problem..... Yet !


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Mon May 05, 2014 6:10 am 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
gypsy wrote:
I like your thinking Ben, also check the ignition coil relay which bypasses the ballast resistors during startup. If you have an electronic ignition you don't need either of these components and they should be disconnected as part of the conversion. You should be using electronic compatible coils that don't need ballast resistors but that won't be your problem..... Yet !


rx7_ben wrote:
That ignition problem will most likely be due to the coils seeing 12v during cranking, but not once you flick back to reds. The coils on these cars are supplied with two 12v feeds, one is ignition switched 12v, the other is cranking 12v. I'd say there is either a problem with the ignition 12v wire, or it isn't connected.

You could always try connecting ignition switched 12v from elsewhere to confirm, or even constant power from the battery but be aware that the car won't shut off if you connect it to constant power until you disconnect the wire to the coils.



Thanks guys, looked into it, and tried jumping the resistors, no change, tried jumping the ignition switch, couldn't find a good wiring diagram, lastly i pulled my plugs..... all of them were fouled out BAD lol. cleaned them and brap brap brap brap brap brap lol

........until it warmed up and then it died out.... thinkin i gotta play with timing or carb adjusting. lol not sure yet. but soon as the choke popped itself in it died and had a EXTREMLY hard time firing up. pulled plugs again, and they weren't fouled so not entirely sure whats up.

have this whole next weekend off (finally) and plan to spend some good time with her (unless i finally close on my house)

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Fri Jun 06, 2014 10:59 am 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
Long Time update. no real progress on either car. been focused on buying a home. well. i did. ^_^ and Finally


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I have a garage where i can work on my cars. super excited to be able to tear into these beautys and not be worried about weather!

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sun Nov 23, 2014 5:28 pm 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
Hey Guys, Long long time since my last update. been working alot, and being dumb on my FC project.... even thought about selling my Rx2 and 84 Rx7..... stupid me right? lol

so, i started to look at my rx2. and decided that i want to get moving on it. i have a garage, and want to get it fixed. so my question..... How do i even begin to tackle that rear section?? i've included lots of pictures. looking for body guru's to help with information, or ideas. tools to buy, and what not.

i want to drive this car, i have managed to go around the block. love how it feels (even though it is no where near completed lol) BUT.... if it cannot be done safely... whats the point?

so.... my original plan was to take the car to a body shop. see if they could pull the car and straighten it back close to true. and then i would tackle the quarters, and such. looking undder the car made me think that its not too badly hit. and i may be to do it myself.... but how would i know? lol. so

fellow Nostalgic owners. i ask for your amazing help and opinions.

Should this car be saved? can i do it without the frame jig. what tools would i need? and how can i get this project going?

thank you guys. i truly appreciate the help and assistance.


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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sun Nov 30, 2014 10:42 am 

Joined: Sat Oct 22, 2011 9:06 am
Posts: 12
Location: Bay Area
Shameless bump in hopes that Restoremaz or Gypsy will explain what they'd do with the back of this Rx2.


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sun Nov 30, 2014 7:56 pm 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
skippopotamus wrote:
Shameless bump in hopes that Restoremaz or Gypsy will explain what they'd do with the back of this Rx2.


any and all ideas are welcome!!! lol :tu: :tu:

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sun Nov 30, 2014 10:24 pm 
JNC Enthusiast

Joined: Wed Mar 11, 2009 6:09 pm
Posts: 614
Location: Australia
Dave would have a better idea than me. Whether it's worth fixing is a decision only you can make. It could be a nice original car seeing most of it is there. Most of these old cars realistically aren't worth fixing, we do it because we like them.

If I were to fix it...
If quarter was really rusty I'd replace it.
If it's OK I'd start with getting the rear door gaps right using a Porto Power and some 1/4" plates to spread the load so you don't punch holes or make the damage worse.
You'd then have to pretty much do the same to be able to push the big dents out of the right quarter so you can pop them out. The metal will be pretty stretched and will need shrinking to retention the steel while it's being straightened OR just bog her up like most people.

If I saw that the hydraulic ram wasn't yielding results, I'd replace the quarter, faster and less work. That's if you can find one worth using. With Rx3 / 808 coupes those panels don't exist so you have to do it the hard way.

The other option would be to get the door gaps right with a hydraulic ram (porto power) then remove the quarter and straighten it off the car which will be a lot easier. After it's fixed it can be primed inside and out and reinstalled.

Either method is a lot of work, I wouldn't say hard but time consuming but that depends on your skills. There's a guy based in England that might have new quarters for $500 - 600 + post a side. Buy them and drop it off to a panel shop, they replace panels like that everyday.

The rear suspension is all mounted just behind the rear seat so I doubt any of it has moved. What you have is really bad cosmetic damage.

If you fix it get rid of the bumper bars, they remind me of a mobile park bench.


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Sat Dec 13, 2014 12:03 am 
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Joined: Mon Nov 25, 2013 8:02 am
Posts: 67
Location: Salt lake City, Utah
gypsy wrote:
Dave would have a better idea than me. Whether it's worth fixing is a decision only you can make. It could be a nice original car seeing most of it is there. Most of these old cars realistically aren't worth fixing, we do it because we like them.

If I were to fix it...
If quarter was really rusty I'd replace it.
If it's OK I'd start with getting the rear door gaps right using a Porto Power and some 1/4" plates to spread the load so you don't punch holes or make the damage worse.
You'd then have to pretty much do the same to be able to push the big dents out of the right quarter so you can pop them out. The metal will be pretty stretched and will need shrinking to retention the steel while it's being straightened OR just bog her up like most people.

If I saw that the hydraulic ram wasn't yielding results, I'd replace the quarter, faster and less work. That's if you can find one worth using. With Rx3 / 808 coupes those panels don't exist so you have to do it the hard way.

The other option would be to get the door gaps right with a hydraulic ram (porto power) then remove the quarter and straighten it off the car which will be a lot easier. After it's fixed it can be primed inside and out and reinstalled.

Either method is a lot of work, I wouldn't say hard but time consuming but that depends on your skills. There's a guy based in England that might have new quarters for $500 - 600 + post a side. Buy them and drop it off to a panel shop, they replace panels like that everyday.

The rear suspension is all mounted just behind the rear seat so I doubt any of it has moved. What you have is really bad cosmetic damage.

If you fix it get rid of the bumper bars, they remind me of a mobile park bench.


makes sense. thank you. couple questions ^_^

If i got a Porto power, how would you use it? would i need a way to connect it to "ground" so it could pull? or is there a method i'm not thinking of?

major reason i wanna fix the car is because the Motor runs great, most of the interior is there and not broken, and body has very minimal rust.

i was planning on taking the car to a body shop early next year to check the frame and get it straightened out. they have agreed to leave the quarters for me, and just check the frame status.

thank you for your time i really appreciate it.

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Jake B.
1989 Mazda Rx7 GTUs - BridgePort 6 Port mmmmmmm
1974 Mazda Rx2 Sedan - Home, and Cleaning her up!


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 Post subject: Re: Rx2 Sedan Update and Refresh (89Rotary Build Thread)
PostPosted: Wed Dec 17, 2014 11:08 am 

Joined: Sat Oct 22, 2011 9:06 am
Posts: 12
Location: Bay Area
I think I'd have the bodyman get the rear of this car back to close so the trunk shuts and back doors can open and close while it is on the frame machine. From there you can take it over and use filler and whole lot of sanding to make it look presentable. It'll be a lot of fun to run around in so it's worth spending some time on... especially if you like working on cars any way.
Be sure to take a much as you can off the back of it (tail lights and fascia, bumpers) so they don't have to do it at the body shop. It's a good opportunity to refurbish the plastic pieces which is a bit of an art in itself since it's easy to make them look worse.
How's the interior of this fine Japanese steel?


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