I only have about 25k miles on my current rebuild which I have pulled the engine because of O-ring failure. I will oder Atkins video to see what kind of insane project it is to rebuild myself. I know I still need the gasket kit at about $1500 but if I can save another $1k on labor, then that will go to my T04Z fund.



Anyhow with only 25k mi since the Mazda reman/rebuild I don't even see the point of changing Apex seals or rotor housings (unless warped) but I would want to port.



Any comments, sugestions, recomendations?



At this rate i'm going to miss 7Stock.

 

Wait... $1500 just for a gasket kit? You can get gasket kits for like $270 from the nopistons.com store... Check it out, dude.

 

pull it apart and see, if they used good or cherry used housings in your motor you should be fine. i have some real piles of crap for mana motors though



mike

 

I don't think we are talking about the same things. The rebuild kit is $1500 and probably includes apex seals but I can't remember. The gasket kit is $500 from Mazdatrix which every race shop except for them does not include in the price of a rebuild.

 

What exactly will you be replacing? I recently rebuilt my engine for the cost of an oil ring kit and one apex seal...The oil ring kit only cost $100~ Which is basically all you'll need engine wise.

 

Seriously, check out this section of the store, you'll be pleasantly surprised

 

I only had o-ring failure. All I need to replace are the o-rings "unless" a housing is warped. I have less then 25k mi on this motor, although it was a Mazda reman/rebuild.

 

Who knows what susprise you have in store for you Start praying now!

 

I agree with todd, its like opening a letter telling you if you have cancer or not. You may open it up and find that just a O-ring kit is needed, or you may open it up and find that the rotors look like somone has been using them to pound roofing nails all summer. Its a shot in the dark each time. I personally have been able to tear down 5 at the shop, and each time you hold your breath lifting off the plates to see what goodies are in store. Good luck, you will definately need to be careful though.

 

Thanks for the replys. I ordered the new "how to rebuild your rotary engine" form Atkins and hopefully i'll be able to open it this weekend. If i'm lucky I can just replace the water o-rings. If not i'll do some porting. I have no idea what i'm getting myself into but I want to drive my 7 to 7stock.