New engine
08-13-09, 10:48 AM
#1
gen II
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New engine
Just purchased a used 13b n/a but i think its junk. I can freespin the engine with the flywheel. I mena spin and let go and it just keeps spinning. Im taking it thats not good. As there anyway to tell if its any good without pulling it apart.
08-14-09, 03:15 PM
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gen II
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well its sitting on a table i can look through the exhaust ports and see there r rotors front and rear.......... and apex seals......... but im thinking that maybe the apex seals are just stuck in the rotors..???? it has some compression out of the ports but just spins too freely. just wondering a way to free them up without pulling it apart. by what i can see the housings and rotors look in great shape. im guessing enought oil or blaster will free them up being that i have no idea how long the motor has sat.
08-14-09, 03:23 PM
#6
F**K THE SYSTEM!!
put spark plugs in it and see if it still spins freely?
IDK haha. This is wierd.
HOw do you test compression without a starter? Ive heard people say you need a fully chraged battery to get correct compression numbers?
HOw do you do it with the engine sitting in the ground?
DO not start spraying random chemicals in there. IDK what could happen. Not knowing = not good.
IDK haha. This is wierd.
HOw do you test compression without a starter? Ive heard people say you need a fully chraged battery to get correct compression numbers?
HOw do you do it with the engine sitting in the ground?
DO not start spraying random chemicals in there. IDK what could happen. Not knowing = not good.
08-14-09, 03:36 PM
#7
You can soak the internals with PB blaster and see if it frees anything up. The apex seals should protrude a bit from the corners of each rotor. If they're flush with the edge, they're probably stuck.
A compression test of a pulled motor can be done with a turbo bell housing and starter. Or you can do it with an entire transmission and starter. Get a battery and 2 cables, and you're in business.
A compression test of a pulled motor can be done with a turbo bell housing and starter. Or you can do it with an entire transmission and starter. Get a battery and 2 cables, and you're in business.
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08-19-09, 01:46 PM
#8
gen II
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yea thats the bad part there r plugs in it........ and it spins freely. not good. 
has good exhaust pressure off of the rear rotor when spinning it over by hand but by what i can see the inside doesnt look bad at all. the front rotor apex seals do look like they r just stuck guess ill just blaster them and c what happens. or try to get a hold of a bell housing.
has good exhaust pressure off of the rear rotor when spinning it over by hand but by what i can see the inside doesnt look bad at all. the front rotor apex seals do look like they r just stuck guess ill just blaster them and c what happens. or try to get a hold of a bell housing.
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