NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   1st Generation Specific (https://www.nopistons.com/1st-generation-specific-16/)
-   -   Blown Motor (https://www.nopistons.com/1st-generation-specific-16/blown-motor-18239/)

Red12aRx7 06-01-2003 10:17 PM

well my motor I am sure is blown. was sitting at a red light and revved it and it just started missing horribly. started to go and it was running with like 40 hp and hardly going.. Turned down my stereo and it was only running on one rotor, every other stroke it was ok. Went up a big hill and it just died. Sitting in some guys parking lot. Looking for a new motor.. 12a or 13b? HELP

j9fd3s 06-01-2003 11:45 PM

yup sounds like you need a motor https://www.nopistons.com/forums/pub...IR#>/wacko.png

Smog Fighter 06-02-2003 09:34 AM

Call around, get 5 or 6 estimates then go with the guy in the middle

price range.

Red12aRx7 06-02-2003 01:25 PM

I can put the motor in, I've already done 3 of them. I just need a motor. can't find a good 12a anywhere. Used.

Racer X 06-03-2003 01:17 AM

Sounds like you might have to look at rebuidling your old motor then.A carbed 13b drops in easily but still costs a bit to do.

Red12aRx7 06-03-2003 01:14 PM

Yea, I think I am going to rebuild my motor. I don't know if the rotors and housings are going to be rebuildable though. Over 240,000 miles on them. I might just try to find a 13b and put a 6-port manifold and holley carb on her. I know this on car has a good 12a that is at a state impound, but they are waiting for investigation on it because some guy died in it. It has a roll cage and everything in it. Maybe it has something "special" done to the motor. Because the guy was a race car driver.

Silver Ninety Three 06-03-2003 01:20 PM

Tear it down and survey the damage. Then go from there. I wouldn't put in a used motor.

j9fd3s 06-03-2003 01:36 PM


Originally Posted by Silver Ninety Three' date='Jun 3 2003, 10:20 AM
Tear it down and survey the damage. Then go from there. I wouldn't put in a used motor.

i think so too, a used 20 year old motor is not the smart thing



mike

Red12aRx7 06-03-2003 09:13 PM

yea I am seeing the rebuild right now.

JTurtonRX_7 06-14-2003 01:09 PM

Good Job 245,000 miles is a helluva run.


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