Guys,

I found a 12A out of an 85 GSL. The engine is intact except for the intake/carb and exhaust manifold. Some friends stated that the engine ran great prior to being removed from the 85. A guy tried to install into a 79 RX7, but got frustrated removed the intake/carb and exhaust manifold. The car was rolled outside without a hood. The engine has been rained on a few times, but dipstick and oil filler tube cap have been in place. Car/Engine has been outside for about a month. I covered the engine yesterday.

The engine is forsale for $75 may can get for a better price.
The engine has 155,000 miles on it.
Some rainwater I am sure went into the exhaust and intake holes on the side of the engine block - not sure how much.

Based on the above should I buy the engine?
Do you think rotors and housing are damaged by rain water/moisture - not sure how much rain water/moisture made it through exhaust and intake holes.
Engine does have proper oil level and when I checked the oil I did not see signs of water in oil.
Are rotor housings and rotors with 155,000 miles rebuildable?

I want an engine I can rebuild and install in my 85 GS. Having this engine would let me keep driving my car while I rebuild the engine described above.

All opinions and advice is greatly appreciated.

Thank you,

RX7MRF

 

For $75, that's pretty good, but plan to rebuild it. I'd go for it

 

Whether the engine is good or not, it's worth the 75 just for parts. Inspect the exhaust ports while slowly turning the engine over. Check for rust on the housings/rotors and check each apex seal for movement. You should be able to push each seal in and feel it rebound. If you can get your hands on a Boroscope, you can inspect the inside bottom of the housings, where most of the wear occurs, and the faces of the rotors.

 

75 bucks what do you have to lose...

 

75 bucks lol. ^^

 

Thanks for the reply! I will pick it up Monday.

 

Thanks! I will pickup Monday and take apart to see what I have to work with.
Will post some pics next week too.

 

Thanks for all the reply's. Happy New Year!

 

Do yourself a favor and buy a flexible pen light. I got one from Napa, but they're little throwaway things you can find anywhere. Snake it into the exhaust port and light up the bottom side of the combustion chamber from the inside. You'll be amazed how much you can inspect this way. You can check to see how rusty the rotors are by checking each face (turn the engine over once, and reinspect), you can check apex seals as they pass for cracking, you can push them with a screwdriver to see if they're still springy, and you can inspect the housing chrome to see if it's still intact or if there's a little flaking maybe at the edge (2mm allowed). You can learn an awful lot about the motor with a cheezy little light.

 

Very good deal on the 12A . I like the light too. New tool on my list.

 

Thank you for the info on the pen light! Will get one. I pulled the engine on Monday and now it is sitting in the garage. I have not had any time to look at it in detail. I was mistaken about the exhaust manifold, it was actually still mounted on the engine. The intake manifold was removed. Will send some pic's later.

Thanks!