[DeTomaso] Oilite Bronze Bushings - Marlin Jack?

John Taphorn jtaphorn at kingwoodcable.com
Sun Mar 29 13:56:48 EDT 2015 

My experience was similar to Julian's.  I was a long time advocate of 
using pilot bushings verses bearings .  It was driven by a needle 
bearing pilot failure in another vehicle.  Why take the chance?

However, I began hear a scrub noise emanating from the ZF bellhousing 
upon hard starts from a standstill.  Switching to a needle bearing 
remedied the problem.

I believe that line boring the block moves the crankshaft center-line 
slightly off axis from the ZF input shaft.  The pilot bearing is more 
forgiving on the input shaft nose to the misalignment.

I would suggest one consider a bearing if their block has been line 
bored and they do not have the gadgets to properly install offset dowels 
to recenter the ZF bellhousing to the block.

JT



On 3/29/2015 11:55 AM, Mike Thomas wrote:
>     I've got a needle bearing in right now, but will be pulling the ZF next
>     winter if the clutch chatter doesn't settle down.  Last poll had more
>     leaning to the Oilite, so I thought I'd stir the waters once again.
>
>
>     Mike Thomas
>
>     Pres., Panteras Northwest
>
>     Yellow '74 #6328
>
>
>
>
>     From: Julian Kift [mailto:julian_kift at hotmail.com]
>     Sent: Saturday, March 28, 2015 8:56 AM
>     To: Mike Thomas; De Tomaso List
>     Subject: RE: [DeTomaso] Oilite Bronze Bushings - Marlin Jack?
>
>
>     I believe Marlin and some of the vendors sell them.
>
>     I was always an advocate of the oilite until I got my GT5; Coz had the
>     ZF rebuilt and it was fresh back from Dennis Quella, in fact Coz and
>     I installed it when I picked up the car from him and I then proceeded
>     to drive from Phoenix to Reno non stop (other than gas). The car wasn't
>     shifting quite correctly and we got Dennis to drive the car at the
>     Pahrump track during the Fun Rally, he agreed it was still not shifting
>     correctly. I then pulled the ZF and sent it back, Dennis went back
>     though it and could find nothing wrong, however he sent it back with a
>     needle bearing and said try that for the pilot. Low and behold that
>     fixed all my problems, so now I'm a convert to the needle bearing and
>     never had an issue since.
>
>     It would be interesting to see if Lloyd Butfoy's opinion aligns with
>     Dennis on the needle bearing vs. oilite
>
>     Julian
>     YMMV
>
>     > From: [1]mbefthomas at comcast.net
>     > To: [2]detomaso at poca.com
>     > Date: Sat, 28 Mar 2015 08:19:31 -0700
>     > Subject: [DeTomaso] Oilite Bronze Bushings - Marlin Jack?
>     >
>     > Is it Marlin Jack that sells the Oilite bronze idler bushings?
>     >
>     > Mike Thomas
>     > Pres., Panteras Northwest
>     > Yellow '74 #6328
>     >
>     >
>     >
>     >
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>
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-------------- next part --------------
   My experience was similar to Julian's.  I was a long time advocate of
   using pilot bushings verses bearings .  It was driven by a needle
   bearing pilot failure in another vehicle.  Why take the chance?
   However, I began hear a scrub noise emanating from the ZF bellhousing
   upon hard starts from a standstill.  Switching to a needle bearing
   remedied the problem.
   I believe that line boring the block moves the crankshaft center-line
   slightly off axis from the ZF input shaft.  The pilot bearing is more
   forgiving on the input shaft nose to the misalignment.
   I would suggest one consider a bearing if their block has been line
   bored and they do not have the gadgets to properly install offset
   dowels to recenter the ZF bellhousing to the block.
   JT

   On 3/29/2015 11:55 AM, Mike Thomas wrote:

   I've got a needle bearing in right now, but will be pulling the ZF next
   winter if the clutch chatter doesn't settle down.  Last poll had more
   leaning to the Oilite, so I thought I'd stir the waters once again.


   Mike Thomas

   Pres., Panteras Northwest

   Yellow '74 #6328




   From: Julian Kift [[1]mailto:julian_kift at hotmail.com]
   Sent: Saturday, March 28, 2015 8:56 AM
   To: Mike Thomas; De Tomaso List
   Subject: RE: [DeTomaso] Oilite Bronze Bushings - Marlin Jack?


   I believe Marlin and some of the vendors sell them.

   I was always an advocate of the oilite until I got my GT5; Coz had the
   ZF rebuilt and it was fresh back from Dennis Quella, in fact Coz and
   I installed it when I picked up the car from him and I then proceeded
   to drive from Phoenix to Reno non stop (other than gas). The car wasn't
   shifting quite correctly and we got Dennis to drive the car at the
   Pahrump track during the Fun Rally, he agreed it was still not shifting
   correctly. I then pulled the ZF and sent it back, Dennis went back
   though it and could find nothing wrong, however he sent it back with a
   needle bearing and said try that for the pilot. Low and behold that
   fixed all my problems, so now I'm a convert to the needle bearing and
   never had an issue since.

   It would be interesting to see if Lloyd Butfoy's opinion aligns with
   Dennis on the needle bearing vs. oilite

   Julian
   YMMV

   > From: [[2]1]mbefthomas at comcast.net
   > To: [[3]2]detomaso at poca.com
   > Date: Sat, 28 Mar 2015 08:19:31 -0700
   > Subject: [DeTomaso] Oilite Bronze Bushings - Marlin Jack?
   >
   > Is it Marlin Jack that sells the Oilite bronze idler bushings?
   >
   > Mike Thomas
   > Pres., Panteras Northwest
   > Yellow '74 #6328
   >
   >
   >
   >
   > _______________________________________________
   >
   > Detomaso Forum Managed by POCA
   > Posted emails must not exceed 1.5 Megabytes
   > DeTomaso mailing list
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   >
   > To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.

References

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