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Least Expencive Engine Rebuild Kit

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Old 12-15-03, 01:56 AM
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Exclamation Least Expencive Engine Rebuild Kit

Looking for the least expencive engine rebuild kit for a 13BT. not nesicarilly the cheapest.

Will be rebuilding a motor soon and need apex seals and gaskets.

any recomendations?
Old 12-15-03, 02:29 AM
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Rotary Avaiation. Bought their kit twice now.

http://www.rotaryaviation.com/overhaul_kits.htm

They use Hurley 2 Piece Seals. They only use 1 spring.. these things are a snap to install compared to the Mazda 3pc ones.

Their kit also comes with Teflon encapsulated O-rings. Very fancy. All other O-rings are VITON as well.

It comes with enough to overhaul an engine that wasnt badly damage.

$519 is a hell of a deal.

You will have to buy your own intake manifold gasket though. You also need a oil pan gasket if you wish to use one. I just used the supplied RTV for the oil pan and front cover. Didnt leak a drop for the year or so I drove it.

I think it's probably the best deal out there if you are willing to use Hurley 2 pc seals. Some people dont like them some people do. Personally I love them and had good experience with them.
Old 12-15-03, 02:29 AM
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double post

Install gaskets are $113 from them.

Last edited by 88 SE; 12-15-03 at 02:35 AM.
Old 12-15-03, 02:37 AM
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I do not believe that RA's seals are Hurley. I asked them specifically if their seals had any relation to Hurley or Atkins and they said that they did their own R&D for these seals. It even says on their web site that their seals are better than competitors (Hurley, Atkins). From what I have read on here and they have told me, RA's seals are a bit harder than stock seals and as such take a bit longer to break in. Have not read any complaints about them yet though.
Old 12-15-03, 02:53 AM
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Ah I just assumed they were Hurleys because they are damn close to identical to them.
Old 12-15-03, 05:34 AM
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I have been using the RA's lately as well. So far so good.
Old 12-15-03, 10:08 AM
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do they have rebuild kits for earlier 13b
Old 12-15-03, 12:03 PM
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thant kit is missing side seals and oil rings... they are kinda important arn't they
Old 12-15-03, 12:05 PM
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If you look at the table on that Rotary Aviation page, you'll see there are some things not included in the $519 set that you'd probably want in your rebuild if you don't want to do it all again in a little while. I, for one, need the oil seals.
Cory
Old 12-15-03, 12:51 PM
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I DIDNT POST THIS!

Driftaholic must have posted this at my house, because I know better then to post an easy question like this.

Jarrett
Old 12-15-03, 12:52 PM
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www.revolutionrotary.com was the cheapest I found. You still have to by the side seals and side seal springs. I bought, them and was very pleased.
Old 12-20-03, 10:09 PM
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New Basic Rebuild Kit
Includes: Gasket Set, Rotor Bearings, Front Main Seal, Inner & Outer Oil O-rings, Main Bearings, Rear Main Seal, Apex Seals and Springs, Side Seal Springs, Corner Seal Plugs, Corner Seal Springs, and
Thermo Pellet (13B 86+) All Genuine Mazda Parts.

Size: 13B Turbo
The revolution kit seems to include unnecessary parts like the rotor & main bearings.

The RA kit is the same minus those things and is ~$300 less.

I'm just now starting my research and I still haven't found an online place to find individual parts yet.
Old 04-10-04, 04:08 PM
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Where the hell is revolution rotary. Can you use an NA kit on a turbo engine if you get the exhaust/intake gaskets separately?
Old 04-14-04, 01:56 AM
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Can you use an NA kit on a turbo engine if you get the exhaust/intake gaskets separately?
Sure.
Old 04-15-04, 08:44 AM
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Wink Ratary aviation

Rotary aviation has the complete overhaul kit for alittle under 900.00 usd.The best deal out there.As of right now anyways.
Old 04-15-04, 09:10 AM
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Re: I DIDNT POST THIS!

Originally posted by J-Rat
Driftaholic must have posted this at my house, because I know better then to post an easy question like this.

Jarrett
Yeah sure... I know you really just wanted to save face and not to sound like a newbie that didn't search.
Old 04-16-04, 08:27 AM
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haha im going with the rotary aviation kit with 2mm apex seals with double springs.. on my s5 13BT..
I should be boosting about 18 psi when im done with it.
Old 04-16-04, 12:15 PM
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Re: Re: I DIDNT POST THIS!

Originally posted by Icemark
Yeah sure... I know you really just wanted to save face and not to sound like a newbie that didn't search.




Rotary Avaiation
Old 04-16-04, 01:54 PM
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Re: Re: I DIDNT POST THIS!

Originally posted by Icemark
Yeah sure... I know you really just wanted to save face and not to sound like a newbie that didn't search.

I am serious!
Old 04-16-04, 05:25 PM
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I am sure he knew that you were seious, we seemed to me at least to just be razzing you a bit.

I think Mazda OEM the cheapest you can get it is the best. They did spend Millions on R&D for a reason.

Jeffrey
Old 04-16-04, 08:06 PM
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Originally posted by jreynish

I think Mazda OEM the cheapest you can get it is the best. They did spend Millions on R&D for a reason.

Jeffrey
yea, nearly 20 years ago :P
Old 04-17-04, 12:41 AM
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and nearly 20 years ago. Millions was worth more
Not to mention Millions is way more than the thousands the "other comanys" have invested into the R&D of their seals.
Old 04-17-04, 01:40 AM
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Originally posted by jreynish
I am sure he knew that you were seious, we seemed to me at least to just be razzing you a bit.

I think Mazda OEM the cheapest you can get it is the best. They did spend Millions on R&D for a reason.

Jeffrey
Ceramics > cast iron in every aspect.... so why is OEM best?
Old 04-17-04, 02:26 AM
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OEM is not necesarily better. Mazda has to make so many for the production cars back in the day and still make a profit so they didnt go all out to provide the best parts for the racer in mind. Aftermarket parts can be better in some cases with weight, strength and price drops...I guess
Old 05-05-04, 03:11 PM
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mazda doesn't know what it likes.

they went from 2 piece to 3 piece back to 2 piece.

this is becuase there are advantages/disadvantages for the seals.

2 piece transfers heat better and doesn't have the "hot" spots like the 3 piece design.

the 3 piece design was to allow for better sealing at lower rpm. They then went back after the problems with the heat transfer.



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