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Spohn Tranny Mount
Topic Started: Jun 5 2009, 07:48 AM (334 Views)
JekyllandHyde
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SENSEI
Well, it's not really Spohn, it's made by Prothane but Spohn swears up and down that this mount has the correct installed height so as to not change the pinion angle and cause vibration at speed like the Energy Suspension mount does.

The swap was straighforward but a real pain on my car as it had large amounts of the original undercoating still applied. Also, using hand tools, those bolts are extremely hard to break free. A few notes on the mount... 89-92 did not have a shim between the mount and the chassis so I left out the shim (basically a flat washer). Also, the hole in the transmission crossmember has to be slightly enlarged to let the stud from the mount go through. The stud is bigger than stock. I took the car out at 1AM last night after finishing and she feels a hell of a lot better. That feeling that something is loose on the bottom is gone and there was no vibration at all. It also solved my problem of my tranny cable always coming out of adjustment. Not really a big surprise there, when I took my mount out, it had broken in half. Huge thumbs up to Spohn's mount.
Currently looking for a 91-92 Z28, TTA or GN
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Spade
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Undercover
yeaa thats awesome....
Keeping it REAL since 1984

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klowny
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Da Klownfather
are your motor mounts fine? cause sometimes what happens is..the motor mounts are bad and whenever the motor torques over it puts all the stress on the tranny mount and messes it up..



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JekyllandHyde
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SENSEI
How would I be able to tell Manny? The motor doesn't really twist when I rev it... I can't shake it by hand, and I poked around the mounts and the rubber still seems solid but... :idk:
Currently looking for a 91-92 Z28, TTA or GN
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klowny
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Da Klownfather
yeah usually if you power brake it, you can see ur motor move around..if it doesn't and the mounts look good then you'll be ok..



Check out my thirdgen videos and technical how to vids...from basic car maintenance to Performance mods..
subscribe (its free to subscribe) and you will be updated on future projects:

https://www.youtube.com/watch?v=6HO-D0aIgx8

https://www.youtube.com/watch?v=mIx1TqfXt6A

Thanks!
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klowny
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Da Klownfather
I've been waiting all day for someone to post that Al should get solid motor mounts.. :smokingdope:



Check out my thirdgen videos and technical how to vids...from basic car maintenance to Performance mods..
subscribe (its free to subscribe) and you will be updated on future projects:

https://www.youtube.com/watch?v=6HO-D0aIgx8

https://www.youtube.com/watch?v=mIx1TqfXt6A

Thanks!
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Spade
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Undercover
AL get solid motor mounts! :imwithstupid:
Keeping it REAL since 1984

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JekyllandHyde
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SENSEI
Just got home and powerbraked the car with the hood up. No movement... I guess my mounts are still good... :rock:
Currently looking for a 91-92 Z28, TTA or GN
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klowny
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Da Klownfather
:iagree: :rock:



Check out my thirdgen videos and technical how to vids...from basic car maintenance to Performance mods..
subscribe (its free to subscribe) and you will be updated on future projects:

https://www.youtube.com/watch?v=6HO-D0aIgx8

https://www.youtube.com/watch?v=mIx1TqfXt6A

Thanks!
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charged355
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Nythirdgen Founder
solid, dont be a pussy
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Custom Forged 355 / Solid roller cam/valvetrain / Victor Jr heads / Hurricane Intake/ Accufab 1250cfm Throttle body / MegaSquirt 3 Engine Managment/ 1000cc SouthBay Injectors/ 7.6:1 CR / 4" Custom Single Exhaust / 4000 Circle D Stall/ CK Performance Billet 4L80 FMVB Trans Brake / 3" Chromoly Driveshaft / Full UMI Tubular Rear Suspension / Moser/Strange 9" / 4:11 gears Detroit Locker / Sumped LS1 gas tank / A1000 Fuel pump / A1000 FPR / Paxton Fuel filter / -10 Fuel line -8 return / Borg Warner S475 Turbo @10psi/ JGS 50mm WG & 56mm BOV / PA Racing Complete Tubular Front End Kit With Coilovers / Full Autometer Dash / Custom Black Suade Guts / Built by yours truly/ Tuned by George the EFI whiz

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JekyllandHyde
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SENSEI
Too late, it's on already. If my motor mounts go, I'm probably gonna do solid... :D
Currently looking for a 91-92 Z28, TTA or GN
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