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  #1  
Old 01-07-2001, 09:11 PM
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Default Easy check for worn out Motor Mounts

Anybody have any quick easy checks to make sure motor mounts are still good?

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  #2  
Old 01-07-2001, 10:47 PM
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Default Re: Easy check for worn out Motor Mounts

1. Motor rocking side to side under acceleration.
2. Visiable tears in the motor mount.
3. Hearing a loud metalic thud or knock when going into gear, forward or reverse from the engine bay.
4. Oil spewing from the dipstick tube.
5. And of course, our favorite, the engine not sitting level between the frame rails... kind of a dead give away.

Safe Jeepin'

Larry
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Old 01-07-2001, 11:14 PM
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Default Re: Easy check for worn out Motor Mounts

You forgot one Larry, when the fan tries to eat the radiator, you know you probably have weak motor mounts! [img]/wwwthreads_images/icons/laugh.gif[/img]

Brad
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Old 01-08-2001, 07:54 AM
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Default Re: Easy check for worn out Motor Mounts

I had an old Buick. I was doing a "brake stand" in a rival high school's parking lot one night. 40 foot posi strips....nice. Then I saw sparks coming from side of hood. Next day opened hood and saw two parrellel lines gouged into underside of hood right above power steering pump pulley. Huh? So had my mother put parking brake on, plant foot on brake, put into drive, give it gas. That big ole 425 came up out of the engine compartment about a foot. Woo! I was standing next to it, but the better reaction was from my mother. 2x4 between oil pan and cross member for motor mount changes. Ps, that was a 1963 Buick Wildcat conv. with a Dynaflow 2 speed semi-automatic. When you put it into low it went in no matter how fast you were going. 0 to 60 in 8 seconds. High test gas only. Black w/ white roof, red interior. It was my first but my dad liked it alot.

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Old 01-08-2001, 11:03 AM
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Default Re: Easy check for worn out Motor Mounts

[img]/wwwthreads_images/icons/crazy.gif[/img] Boy....it's been a while since I gazed upon a Wildcat mill. Those Boo-Ahs really had the cubic inches in them days. Interestingly enough, the early Boos had a totally enclosed driveline/torque tube behind the Dyna Flo. When I was a kid working weekends in a wrecking yard I would just cringe when a customer came in and wanted a Dyna Flo. Thirty-two bolts JUST in the torque converter, and the tranny weighed 250 at least. We would often "spit" the engines out of junk cars by grabbing them by the rear bumper and hoisting srtraight up with the crane, then let them drop about six feet and then slam on the line brake. The engines would often just keep going and come out through the grille(No radiator was in place)if the engine mounts were shot; which was usually the case. Imagine a straight eight Buick AND a Dyna Flo tranny hooked together.....WOT A HUNK OF IRON that was. Enough for three Toyotas.[img]/wwwthreads_images/icons/crazy.gif[/img]

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  #6  
Old 01-09-2001, 04:25 AM
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Default Re: Easy check for worn out Motor Mounts

Talked to a guy once that had a straight "8" and Dyna flow in a turtle back('53 ?). He said it was a real dog off the line but 40 to 100 was just a couple of seconds. Man with a different tranny, that low end grunt musta been wild. A four speed would of ended up with high quality drive line breakage.

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