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Pilot bearing- how far into crank does it go?

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Old 07-24-2010, 03:59 PM
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Default Pilot bearing- how far into crank does it go?

I have an 04 LS1 from a GTO and a T56 from 02 camaro. Just put in the pilot bearing- right now its flush with the crank, but i see it can be driven in further. I have a corvette GM shop manual, but it just states "install pilot bearing". Did a search, but no luck. The was no bearing in the crank when i got the motor, so i had nothing to go by. Does the bearing need to go in further to keep the input shaft from bottoming out on the end of the bearing?Thanks- Scott
Old 07-24-2010, 04:04 PM
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Flush is where it should be. You just wanted seated well, whether it is in a little further or not doesn't make a difference - you have some leeway with the input shaft - just don't drive it in too far.
Old 07-24-2010, 04:05 PM
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Thanks for your help! Much appreciated. Scott
Old 07-25-2010, 11:52 AM
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the reason there is space behind pilot bearing if mounted flush in crank (correct way) is so you can use a bearing puller to remove it

it should set flush with end of crank
Old 07-25-2010, 12:02 PM
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It's just a hair past flush, but still has plenty of space behind it. I just wanted to be sure before i tried fighting the trans going in. Thanks for the help guys.
Scott
Old 07-25-2010, 12:32 PM
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Umm i think this is all wrong.

The fbody transmission has an input shaft that is half an inch longer (at least than my CTS-v t-56)

I have an Fbody ls1 and put the fbody pilot bearing in (about an inch across) and it fits in the smaller hole that is further back.

I had to tear the whole thing back apart because apparently I have to use the pilot bushing which is the one that is about two inches across and sits flush with the crank.

I think the GTO's are the same if I am not correct and if you are using the f-body trans with the longer input shaft you may need to pull that bearing out and put the smaller bearing in further back.....
Old 07-25-2010, 05:54 PM
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F-body bushing/bearing goes flush with the edge of the crank. I can't speak for GTO or V.
Old 07-25-2010, 06:49 PM
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Flush!
Old 07-25-2010, 08:23 PM
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Originally Posted by ******
the reason there is space behind pilot bearing if mounted flush in crank (correct way) is so you can use a bearing puller to remove it

it should set flush with end of crank
Good point!
Old 07-26-2010, 09:36 AM
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there are two totally different bearings that can go in there depending on the length of the input shafts, especially an fbody one-

Check out this link and the difference....



vs

Old 08-15-2010, 02:44 PM
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so how long of input shaft gets which bearing?

this sucks. lol
Old 08-15-2010, 05:14 PM
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The smaller bearing shown in the bottom pic is the F-body piece.
Old 08-15-2010, 08:31 PM
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your sure? lol just want to make sure
Old 12-20-2010, 09:18 PM
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What is the best way to install a needle bearing pilot bearing like the one on the F-body T56? Just a hammer and a socket? Won't that distort the damn thing? I know I have done that before and it really needs a lot of hammering to get the damn thing in there!
Old 12-21-2010, 05:59 AM
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Originally Posted by 94camaroz28lt1
What is the best way to install a needle bearing pilot bearing like the one on the F-body T56? Just a hammer and a socket? Won't that distort the damn thing? I know I have done that before and it really needs a lot of hammering to get the damn thing in there!
The damn thing needs to be seated flush w/ the damn crank, no further. A damn seal driver kit (free rental @ AutoZone) is a great damn tool for doing this without damaging the damn pilot bearing.

Old 12-21-2010, 01:39 PM
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With the F-body / GTO input, drive the pilot bearing into the crank just far enough that the thin pilot section of the input shaft is seated as much as reasonably possible into the bearing. This is less critical on a solid bronze bushing.
Old 12-21-2010, 02:27 PM
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does it have to be seeted all the way flush? I have a custom aplication and it would sit on a better spot on the input shaft it it stuck out 1/8".



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