NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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jenkin 02-25-2006 07:32 AM

I am selling a motor (13b na) that is coming out a car that had a battery fire. It sat on the west side for 1-2 years and then i bought it and towed it to Yakima where it has been sittiing.

What is the best way to determine whether the motor is any good? the starter is toast and the car is an auto so i cant pull/push it to see if the motor is frozen.

I guess that the best test that i know is to pull it, check the apex seals through the port, and then just listen for pulses when i turn it by hand. Is there anyway to do compressioin check with the motor out of the car?

if i pull the motor/tran as a unit and use a good starter, can i get enough rpm to compression check?

the motor is supposedly rebuilt using new housings (good) by hayes (mavbe bad). I guess they may be new and OK, but I don know how long ago hayes went bad.

Any advice? anyone, anyone,anyone?

thanks

KompressorLOgic 02-25-2006 11:59 AM

ya bolt a trany and starter up and rig up some big cables to a battery and starter, then plug in the comprssion tester, i dont see why it would be any different than testing one in a car.

k-man 02-25-2006 12:03 PM


Originally Posted by KompressorLOgic' post='804255' date='Feb 25 2006, 09:59 AM

ya bolt a trany and starter up and rig up some big cables to a battery and starter, then plug in the comprssion tester, i dont see why it would be any different than testing one in a car.





i have done it many times... it works well


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