LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Crank hub will not go on..... HELP!!!!!!

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Old 02-13-2009, 05:53 PM
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Default Crank hub will not go on..... HELP!!!!!!

OK, so i made the crank hub install tool with the 7/16ths fine threaded rod, lots of grade 8 washers and the nut to push the hub on.

But it is not working AT All, the hub will not budge i have the rod lubed like no other lol.

any HELP?!?! lol
Old 02-13-2009, 05:55 PM
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Heat up the hub's inner section with a blow torch so it expands, or leave it in the freezer over night, that works too. Or lastly, use a hammer and a small piece of 2x4.
Old 02-13-2009, 06:02 PM
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Problem with that is the hub is already on about a half in or so cause i smacked it on with a hammer so i can't exactly heat it up....
Old 02-13-2009, 06:03 PM
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Well... you could heh You'd just have to be one careful **** (and go from the bottom). Dumb Q, but you sure its not on all the way? lol
Old 02-13-2009, 06:07 PM
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No i know its not on all the way lol, its still got about an inch to go to line up with the other pulleys.
Old 02-13-2009, 06:09 PM
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I would get it back off, emery cloth the inside bore to a light polished finish and lube it then press it on. If its that damn hard now, dont force it or it will never come back off without a fight.
Old 02-13-2009, 06:11 PM
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Originally Posted by 2XR95Z28
No i know its not on all the way lol, its still got about an inch to go to line up with the other pulleys.
How hard is it to turn the wrench?
I used the same type of tool and with using a regular length wrench to turn the nut, I had to use almost all of my might to put my buddy's hub on. If I had a longer wrench, it would have been much easier.

When you say it's about an inch off, are you putting the balancer on and lining it up with the belt?
Old 02-13-2009, 06:17 PM
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Chances are it is on all the way. Put the pulley on and see how it lines up. The holes for the hub extend past the center of the pulley.
Old 02-13-2009, 06:18 PM
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Originally Posted by RamAir95TA
Chances are it is on all the way. Put the pulley on and see how it lines up. The holes for the hub extend past the center of the pulley.
That's what I was getting at by asking him to line up the belt.
Old 02-13-2009, 06:28 PM
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Originally Posted by ss.slp.ls1
That's what I was getting at by asking him to line up the belt.
Yep...

And by the way, DON'T go ape on the hub with a hammer. Your front bearings and crank will not enjoy the beating, much like my girlfriend.
Old 02-13-2009, 06:41 PM
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1. Never hit a hub with a solid hammer, you have to have something to obsorb the beating when you put it on. I hused a big as peice of wood in the center and plowed it on with a mallet.

2. Heat that **** up if you end up taking it off for re-install.

3. Dont strain the threads to try and get it on if its not budging, you will blow those threads out.

See if its on all the way first like others have said, good luck.

Tony.
Old 02-13-2009, 07:03 PM
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Hell, I'd just pull it off and take some 800-1000 grit on the crank journal and the inside of the hub. Just do it all right instead of dicking around for another 3hrs trying to get it on further how it sits We usually just use a 3/4" impact to zip them on.
Old 02-13-2009, 07:04 PM
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Have you tried heating it in the oven yet?
Old 02-13-2009, 07:07 PM
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Alright so i think you guys may be right and i may be a tard haha. When i originally put it on before i was dumb and hit it with a hammer a few times so i need to file back down a little bit then put the pulley back on and it looks like it should line up pretty close.

Thanks guys!

BTW if anyone wants a tool to install the hub i got 3 extra that i made with the extra threaded rod i got, so PM me and we can work out a deal.



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