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Gearbox Mounting

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REPLIC8
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Gearbox Mounting

Postby REPLIC8 » 19 Jun 2011 11:52

How much flex should there be in the gearbox mounting? Mine as solid as a rock, If I try to move the box with a jack it raises the car up, there appears to be no flexibility at all.

Andy
1981 UK SPEC TR8
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nick
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Postby nick » 19 Jun 2011 13:32

The box is bolted through the cross member. See the picture I posted under your oil seal post. The mount is rubber but extremely hard. Not meant to move, only to damp vibration.

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nick
'79 TR7

busheytrader
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Postby busheytrader » 19 Jun 2011 13:55

Hi Andy,

My old oil soaked item was as hard as a Jelly Baby when I removed it.

The replacement had about as much give as a block of wood. I heard rumour that a batch of over hard gearbox mounting rubbers hit the shops a couple of years ago. More gearbox whine came into the car afterwards, and more again after changing the remote housing bushes to poly spec.

Adam

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TR7 V8 DHC Jaguar Solent Blue. 9.35cr Range Rover V8, Holley 390cfm, JWR Dual Port, 214 Cam, Lumention, Tubular Manifolds, S/S Single Pipe Exh, 3.08 Rear, 200lb Spax & PolyBushes all round, Anti- Dive, Strut-Top Roller Bearings, Capri Vented Discs & Calipers, Braided Hoses, 4 Speed Rear Cylinders, Uprated Master Cylinder & Servo, AT 14" 5 Spokes or Maestro Turbo 15" Alloys, Cruise Lights, S/S Heater Pipes, Replacement Fuel Tank. No Door Stickers. Mine since July 1986, V8 from 1991 courtesy of S&S V8 conversion and big brake kits.

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