Wild guess, as I don't know, but maybe different crank for auto and
stick cars? Are you mixing?
 

Bill Cardell 
TurboDog's Dad 
Flyin' Miata 
1-800-359-6967 (sales) 
970-464-5600 (tech support) 
www.flyinmiata.com 
www.fmwestfield.com 

 

________________________________

From: [email protected]
[mailto:[email protected]] On Behalf Of Chad J. Douglas
Sent: Tuesday, July 13, 2010 7:16 PM
To: [email protected]
Subject: My Turn: Engine Seized?


OK, so I put the new motor into this NC.  The motor turned over just
fine by hand while I was bolting the torque converter to the flexplate.

Then, we installed the engine, and I proceeded to hook everything up.  

So, tonight, I had it together enough to try to start it (or at least
verify that the engine turned, etc), and all I get from the starter is a
very definate LOUD CLICK.

So I tried jumping it and charging it - no dice.  Somehow, the engine is
physically locked.  I cannot turn the engine from the crank bolt or by
gently prying on the flexplate teeth to turn the engine from the back
side.

Tried with tranny in Park and Neutral, with and without driveshaft,  

Any ideas?  I'm stumped - I have no idea why this NC motor would turn
over by hand just a few days ago, and now refuses.  It won't turn either
direction, although I didn't really try that hard to turn it backwards,
since I've read horror stories about bending valves on this engine if
you turn it backwards...  But I would have expected it to turn a teeny
bit backward, but nothing.

It's like the motor is welded.  Tomorrow, I'm going to remove the valve
cover to be sure that some tool didn't get in there when I swapped the
VC (god, I hope not!) but it's the only area of the engine that was
exposed that could possible lead to a physical lockup.

Aside from that... Any notions? 
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