Hey this question might be stupid so take it easy on me. I bought a s52 motor from a guy who parts alot of e36's. It did not come with the harmonic balencer on it but the ac and crank pulley where back on it bolted up as if it works. Ive noticed that with this crank pulley(seems big ass shit) and doesnt seem to be any space behind the pulley for the hb anyway. Help me thanks
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No harmonic balencer? Do i need one?
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You have to have a harmonic balancer. As previously stated it dampens the throw harmonics, or to put it in english it balances the engine. Most inline motors have one of some sort. I'd be wary of that motor. Definitly run some tests on it before you drop it in the car, could be completly trashed if someone was running it with out a HB.
You have to swap the oil pan anyways if its going in an e30, so while you have it apart, take a look at the crank shaft and rob bearings and the what not. Make sure everything is torqued properly and spins correctly.
The last thing you want is to go to all the trouble of doing a motor swap the motor being shot. Its happened to me before, back when i was young and a bit of a newb to mechanics.Originally posted by Beastolizerwhat is the difference between the 12 LED and 6 LED and 24 LED?Originally posted by norcalE30you may want to sit down, this is complex...
one has 6 LEDs, one has 12 LEDs, and one has 24 LEDs
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Yes what everyone else said is correct about needing the mass to dampen and match the harmonics the motor creates to eliminate vibrations and noise.
Your bigger problem is that your motor needs atleast the outter ring of the balancer because that is the tone ring for the Crank Position Sensor (CPS) to read from and know where the crankshaft is. Hens the empty bracket right above your pulleys.Build Thread: http://www.r3vlimited.com/board/showthread.php?t=310912
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Originally posted by tazer View PostYour bigger problem is that your motor needs atleast the outter ring of the balancer because that is the tone ring for the Crank Position Sensor (CPS) to read from and know where the crankshaft is. Hens the empty bracket right above your pulleys.
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Originally posted by bimmerteck View PostNope, on the S52 motors the CKP is mounted to the block under the starter.Build Thread: http://www.r3vlimited.com/board/showthread.php?t=310912
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