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Old 11-24-2006, 06:13:39 PM   #1
Bue Demon
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Engine Does Not Turn

Hey Guys,

well, let me tell you that my BB project in my 73 Z is almost done, I just need to do a couple more thing before I can fire it up, all the plumbing and accesories are in, however I ran into a problem, I need to rotate the engine to top dead center it and drop the distributor in but I can not turn the engine, I tried a 36" braker bar and the motor does not want to turn, let me give you the specs on the motor.

Fresh built 458 CUI BBC
11:1 CR
Forged Pistons
Stock BBC Oval Port Heads
Air Gap Intake
TH 400 tranny
3600 stall

It seems that the converter got stuck or something, I mean the engine is so hard to turn, that it was almost a miracle to turn it to bolt the converter to the flywhell, not I want to drop the ditributor but I can't seem to be able to turn that monster, any idea of what's going on? perhaps I just need to crank the engine with a tester a little, or I don't know, it might be that the converter is stuck on the tranny and it won't spin, any idea good or bad, send it my way, thanks.

I'll post some pics later.


Jose
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Old 11-24-2006, 06:37:53 PM   #2
Marks71BB
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Seperate the torque converter from the flexplate and see if it gets beter.
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Old 11-24-2006, 07:08:25 PM   #3
brick_haus
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Sounds like a job for a professional. Hope all goes well Bue Demon.
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Old 11-24-2006, 07:17:16 PM   #4
Vintage Musclecar
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Did the torque converter turn easily before you bolted it to the flexplate? If not, the converter may not have been fully engaged with the front pump.

Whatever you do, don't force anything. Take it back apart and find out why it's binding up.

Eric
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Old 11-24-2006, 07:22:33 PM   #5
Marks71BB
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Did ya have the spark plugs out??? With that high cr it would be difficult to overcome the compression.
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Old 11-24-2006, 07:26:41 PM   #6
badazz81z28
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Quote:
Originally Posted by marks70Z28
Did ya have the spark plugs out??? With that high cr it would be difficult to overcome the compression.

Mark, you read my mind. Even a low comp engine is a PIA to rotate with the plugs in....
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Old 11-24-2006, 07:45:26 PM   #7
Mwilson
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I can barely turn mine with the plugs out!
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