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Index > Engine/Drivetrain > Thread: Radiators
Thread: Radiators
Tom93R1


Redlining
Posts: 458
posted November 24, 2002 09:55 PM

Radiators

I think my radiator is about dead. I have a leak that has emerged victorious over the quick fixing copper crap from the local Checker Auto. Now I find that tracking down a radiator may not be the easiest thing in the world. I havent put alot of effort into it yet but so far have looked on checkerauto.com, carparts.com, and radiators.com and none has a radiator for my REPU. Is there anything else that has the same radiator? Maybe one of the early 7's or rx4? Hmm, none even show the rx4 radiator so that wouldnt help much either. How about more web sites to look at?

I saw a factory one on ebay (NOS) but it is at $150 and that doesnt even meet the reserve!

thanks
Tom

____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

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twenty_wanna_be


Newbie
Posts: 6
posted November 24, 2002 11:49 PM

Hey Tom,

If you've got the 6 port in you '74 then you should be able to just buy the appropriate radiator from radiator.com or some place. Honestly it'll probably be a lot easier to fabricate your own mounting arrangments than to find a radiator to match the stock mounting points.

I *DID* see a REPU radiator on ebay (still in mazda box) but the guy had started the bidding at 350.00. It ended on the 23rd with no bids (surprise surprise). Here's the link. Maybe you can work a deal with the guy who knows. If I were a restoration maniac I could see it being worth the money but wow. Anyway here's the link:

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=1872816685

I'd hit it soon, I don't know how long Ebay archives the completed item pages. The username was
"leaflk"
in case you miss hte auction page. You can prob email him thru ebay's little system.

If you've got the 6 port in there and 'originality' isn't really an issue I'd just go with what works. Any decent quality radiator with the right capacity should work. I just bought a solid brass replacement (I hate those damned plastic end tanks) for my '91 cabrio from radiator.com for 145 bucks. There appears to be enough room to put in a high-end all-aluminum jobber too, and you could do that for hte same money as this original repu radiator that was for sale. Worse comes to worse you can take it some place and have them rebuild it. Probably run you about the same as the REPU radiator or a high-end aluminum Koyo or Griffin.

Good luck with it and let us know how it goes.


       
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rotaryrevn


1st Gear
Posts: 26
posted November 25, 2002 11:40 AM

I emailed this guy to see if he would sell if for cheaper. He said nope, "the radiator must be worth something to somebody.

         
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rotaryrevn


1st Gear
Posts: 26
posted November 25, 2002 11:45 AM

Someone correct me if I am wrong but I believe the rx4 used the same radiator as the REPU. Here is a list of salvage yards across the country with rx4 radiators for sale. Make sure to verify the condition, and that it is actually an rx4 radiator over the phone as I have bought a few parts that ended up being the wrong thing.





Year
Part
Model Description Condition Stock# Price Dealer Info
1974
Radiator
Mazda RX4 M.T- W05989 $75 Gerry's Foreign Auto Parts USA-WA(Kittitas) E-mail 1-509-968-4466

1974
Radiator
Mazda RX4 J9968 $75 Jalopy Jungle USA-ID(Nampa) E-mail 1-208-466-8468

1974
Radiator
Mazda RX4 AQ67001 STANDARD $50 Jean Guy's Used Cars and Parts Inc. USA-NH(Pelham) E-mail (Outside NH)1-800-535-7171 (NH)1-800-235-7171

1974
Radiator
Mazda RX4 Man Tra 22.25 X 11 H#50468 00062210 $50 Highway Auto Salvage USA-MA(Northampton) E-mail 1-413-586-0690

1974
Radiator
Mazda RX4 TESTED GOOD C8I096 $35 Caveman Auto Parts and Recyclers USA-OR(Grants-Pass) E-mail 1-800-452-8841

1974
Radiator
Mazda RX4 Man TRA- 61051A $35 Dietz Auto and Truck Salvage USA-MT(Billings) E-mail 1-800-331-7608

1974
Radiator
Mazda RX4 B3517 $Call Barger Mattson - Boise USA-ID(Boise) E-mail 1-208-853-2002

1974
Radiator
Mazda RX4 Man TRA USED RAD23 $Call San Luis Auto Salvage USA-CA(San-Luis Obispo) E-mail 1-800-222-9509

         
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rotormunky


Redlining
Orlando, Florida
Posts: 424
posted November 25, 2002 11:53 AM

Ha!

Tell him, "Yah, its worth something to someone, its worth LESS to ME."

Man.

He totally within his rights tho, and obviously its not that easy to find.

Again, unless I was some sort of restoration nut I wouldn't bother. The brass radiator that radiator.com sells works wonders.


____________
-Martin
Orlando, Florida

http://www.themonkeyhouse.org/REPU

'77 REPU (Some assembly required :)
'91 Cabrio (Battered and bruised, but she's still my baby.)

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repuguru


Redlining
Posts: 319
posted November 25, 2002 07:05 PM

Can you have it recored? If the tanks can be saved new materials can be put in to replace the old water flumes.

       
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Tom93R1


Redlining
Posts: 458
posted January 02, 2003 05:49 PM

quote:
Someone correct me if I am wrong but I believe the rx4 used the same radiator as the REPU.


Has anybody been able to verify this? I just had the radiator shop fix the leaks on my radiator, got it home installed it and broke the drain valve off when I tried to open it. It is JB welded for now but I dont know if that will hold or not. I dont want to pay another $50 or more and get the wrong radiator.

Otherwise I will just get the radiator off an rx7 locally and figure out how to mount it in there.
____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

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nwaco


Redlining
Posts: 407
posted January 02, 2003 06:19 PM

Tom, I have an RX4 at my local junkyard. I'll take measurement of my REPU and check when I go back later this week. I'l let you know.

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Tom93R1


Redlining
Posts: 458
posted January 02, 2003 08:00 PM

quote:
Tom, I have an RX4 at my local junkyard. I'll take measurement of my REPU and check when I go back later this week. I'l let you know.


That would be great! Thanks
____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

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brad


Rotorhead
Posts: 1671
posted January 02, 2003 08:47 PM

1st gen?

I bet a 3 row core upgraded 79-82 rx7 radiator would work well. 3 row since that's what the REPU came with and it flows and holds more water. 79-82 since those were the short style radiators with oil cooler under radiator.

Mounting holes might not match up but that can be fixed.

REPU radiator has mounting holes in the bottom of it for the OIL cooler to bolt too. 1st gens don't mount the same way but something could be fabbed to work.

Just trying to help out. If need be just measure your radiator and buy a Howe or Griffin same size from Summitracing.com

I used JB Weld to plug a big hole in the core of my 81 rx7-s radiator. Never leaked. Had it rigged like that for 1.5 years. Plugged the low coolent sensor in the top of a radiator with a 1/2" NPT plug and JB Weld. Never backed out.


____________
-brad-
74 REPU Lawn Green
81 Rx-7 racecar. 12a J-
Bridge

       
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Jeff20B


Moderator
Posts: 661
posted January 03, 2003 09:52 AM

I used a JB welded rad from '97 to Oct '02. The JB Weld didn't leak, but there were a few other slow leaks here and there. I replaced it with a '77 rad that had a leaky upper tank that was resoldered. It works quite well.
____________
'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7

       
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Tom93R1


Redlining
Posts: 458
posted January 05, 2003 11:42 AM

I just pulled my radiator again because I didnt feel too secure about my JB Weld job. Good thing I did because in my hurry to get the radiator fixed I forgot to strip the paint off from where I JB Welded it. The stuff just peeled right off with the paint. I guess since I have it all cleaned up now I may as well wait and ask the radiator shop of that is something they can fix. If not at least it is clean and ready for a fresh application of JB Weld.
____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

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Klaus43


Rotorhead
Posts: 1259
posted January 05, 2003 06:38 PM

REPU radiators ARE identical to the rx-4's! (Although you might come across 'minor' variations, such as filler cap in center vs. on the side...not to mention the ones delivered with automatics had the transmission cooler plumbed in the bottom.)
I'd take the best available core (tanks) and have a good shop redo it for me, like the 'guru said... that way you won't have to screw around with mounting hassles-- including your oil cooler.
If that $300+ one is pristine factory NOS, it just might be worth the asking, after all...
Oh yeah: what is different, also depending on the year, is the exact shape of the fan shroud... and I do seem to remember reading cautions against the use of any kind of 'systemic' sealant in rotary cooling systems...

       
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roaddancer


Hauling
Posts: 127
posted January 05, 2003 09:56 PM

Years ago when I was doing my radiator, the radiator shop pulled a book of standard "base" radiators with different hose locations as the option. They would just attach your mounts to them. All specs seemed to be in it.
More recently, I had to have a custom "condenser" made for a motor home AC system. (Think radiator, same function.) Didn't cost all that much. If your old one is really shot, get a quote. It may not be that much, and you may add capacity to match engine mods. Just make sure they hit your mounting holes! I had to make custom brackets for the AC part.
____________
formerly
rx2/3/4/cosmo,repu,94 rx7,

       
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Tom93R1


Redlining
Posts: 458
posted January 07, 2003 05:36 PM

I had the radiator repaired yesterday and does it ever look good! I think they can fix just about everything as long as the radiator is all metal. And it is cheap too, $15 to re-attach the drain valve.
Put it in last night and drove around a bit with no leaks.
____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

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jfaplanet


Redlining
Posts: 356
posted March 28, 2003 07:22 PM

Got a question for rotaryrevn

Where, or How do you get your search results for the parts you need. I am impressed in the list of Radiators you posted on the FORUM. I would be interested in other parts as well. Could you please reply to me or to be board. Thanks, Charles

crgj@comcast.net
____________
74 REPU "Red"
74 REPU "Jethro" "TII"
74 RE-Courier vert
79 SA-SE(aka deathtrap)
79 SA-SE-FC (project
turbo)
http://home.bellsouth.net
/p/PWP-crgj
TN Forum:
http://tnrotary.10.forume
r.com/

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