Alternator Clocking

booxr800

booxr800

Boo
Sep 13, 2009
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Central Michigan
Hey guys I have a RDL Y bridge and boost tube. I installed the bridge and test fitted the boost tube. The tube is hitting the power stud on the alternator so I have to clock it. I am out of town now for work but am looking for pointers so I do it as soon as I get home. I have never messed with an alternator other than removing and installing a new one. So for any one that has done one can you share your knowledge please. I am guessing you clock it to the left towards the passenger side. It almost looks like the boost tube will hit the fuel test port right there too.
 
clrussell

clrussell

pro-procrastinator
Sep 23, 2013
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Shouldnt hit. Ive installed many and never had to clock an alternator.. Sure you didn't have the tube installed to deep?
 
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bml2200

Member
Oct 16, 2008
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Same thing happened on my old LMM with Profab. IIRC, I had to use a dremel and cut a little square off one of the outside case halves so I could clock it. Pretty easy. I think I rotated it counter clockwise facing the engine.
 
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bml2200

Member
Oct 16, 2008
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There's two different alternators that could've come on the early LMM's, that's why some have issues IIRC.
 
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bml2200

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Oct 16, 2008
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One other thing I forgot to mention is that I made longer boots for the two Profab y bridges that have installed.
 
booxr800

booxr800

Boo
Sep 13, 2009
157
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Central Michigan
bml2200 said:
Same thing happened on my old LMM with Profab. IIRC, I had to use a dremel and cut a little square off one of the outside case halves so I could clock it. Pretty easy. I think I rotated it counter clockwise facing the engine.
Click to expand...
So after I pull the alternator I just remove the few bolts that hold the halves together. Then separate the halves a little, rotate them and push them back together?
 
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bml2200

Member
Oct 16, 2008
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booxr800 said:
So after I pull the alternator I just remove the few bolts that hold the halves together. Then separate the halves a little, rotate them and push them back together?
Click to expand...

Almost, theres an alignment tab or two that need trimmed.
 
booxr800

booxr800

Boo
Sep 13, 2009
157
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0
Central Michigan
bml2200 said:
One other thing I forgot to mention is that I made longer boots for the two Profab y bridges that have installed.
Click to expand...
I was wondering about that. Even with clocking the alternator it wasn't looking like the boost tube was long enough to fit in the boots and get a clamp on them.
 
booxr800

booxr800

Boo
Sep 13, 2009
157
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Central Michigan
Just tried doing this. Do the halves separate pretty hard? I removed the 4 thru bolts, nut and pully. Got them to move about 1/8 of an inch and wouldn't go any further. What am I doing wrong?
 
booxr800

booxr800

Boo
Sep 13, 2009
157
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0
Central Michigan
Hey guys I am having trouble. I just don't see how to make this work. I clocked the alternator both ways and you can't reinstall it. I really need to know how anyone has done this.
 
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