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Re: [TR] GT6 trans bearing noise on launch

To: aribert neumann <aribertn@gmail.com>
Subject: Re: [TR] GT6 trans bearing noise on launch
From: Dave Connitt <dconnitt@fuse.net>
Date: Sun, 19 Feb 2023 11:45:08 -0500
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I was just thinking about that pilot bearing might be the culprit if the noise 
happens more often when starting out in first gear if that is the case. 
Dave Connitt

Sent from my iPhone

> On Feb 19, 2023, at 11:31 AM, aribert neumann <aribertn@gmail.com> wrote:
> 
> 
> Thank you all for responding.  
> 
> Dave:
> I have yet to look at the pilot bushing.  Because I have a 2.5L engine mated 
> to the GT6 gearbox, I have a custom sized pilot bushing. 
>  
> ptegler:
> TRans is already partially disassembled - too late to try to drive it with a 
> large drill.  No drag starts, by launch I am just referring to taking off in 
> first gear, frequently in traffic.  Noise only in first gear and typically 
> not the entire time in first gear.  Are you referring to the bronze thrust 
> washer on the laygear end or the crankshaft thrust washer in your message?  I 
> have a nonOD trans that I opened up a couple of days ago.  I got the trans 
> out of a self serve salvage yard - it did not appear the engine/trans had 
> ever been separated.  Came with the original Laycock pressure plate.   
> Synchro gaps in the non OD trans ranged from 0.033 up to 0.044 whereas my OD 
> box ranged from 0.021 to 0.035
> 
> All:
> And now for a bit of a sad story.  I dropped the laygear and removed the 
> input shaft on my squealing OD trans on Friday.  Saturday, I went to do the 
> same with an imalulate (wear wise) non OD trans I had.  I did not follow the 
> dismantle procedure and forgot to drop the laygear before pulling the input 
> shaft out.  An input shaft with a 4th gear that showed absolutely no wear - I 
> was planning on using that fourth gear in my OD box.  I yanked on the slide 
> hammer hard enough that I broke two of the little teeth off of 4th gear and 
> chipped the laygear.
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