Brian Deane

hi all so i just pulled my 12a out of my rx7 and im gonna start taking it all apart tomorrow or the next day. I just want to know what i can reuse im really strapped on money right now but i did blow an apex seal so im gonna get 6 seals and springs for now. can i reuse all the water jacket seals and all the o rings if they are all good and not dried out? i really only have the money right now to afford new apex seals

heynoman

iTrader: (5)

Sorry no your are going to need at the very least all new water jacket seals.

Brian Deane

is there any alternative type of seal i can use? if they arent bad and still rubbery why would i need new ones

Brian Deane

mazdatrix gasket kit seems to have almost everything i need...thats pretty cheap too
GASKET SET RX7 81-82 89-100A-N201 $118.99

heynoman

iTrader: (5)

the inner water seals will more then likely come out in several pieces and be separated for the Teflon and the out water seal will be stretched if it doesn't break first. ..

Open your engine first .then you will know exactly what you will need . Most engines I have open with apex seal failure have had at the very least a damaged rotor and rotor housing .

TimWilbers

iTrader: (1)

When I did my 12a rebuild and purchased from Mazdatrix and Atkins Rotary.
Some were the same prices, some different.
79-85 12A Overhaul Gasket Kits

Both places sell videos for a 13b rebuild, but the steps for a 12a are similar.

There are many online videos as well.

Use the forum's Advanced Search function and search for 12a Rebuild by title.
This place is a tremendous source of information. If in doubt, ask.

Brian Deane

yeah i know everyone here is awesome! and yeah click this link and look at that picture! thats super cheap for all those gaskets but idk if the rotor oil ring insert seals come with it and a few others cuz thats a turbo set picture its a $119 https://www.mazdatrix.com/b2.htm

Brian Deane

and do the apex seal/side seal springs go bad easily?

Qingdao

iTrader: (3)

Apex seals, yes. Don't know what causes them to collapse, but I've tried reusing them and its a no go for me. Cheaper in the long run to buy new ones as apposed to throwing away costly water jacket seals on a second rebuild cause you cheaped out on the first.

Side seal springs....not so much. I've never bought new side seal springs and never had much issue out of them. aside from needing the different length side seals I've never NEEDED side seals either.