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Author Topic: 1 bolt in crossmember/trans mount- handle big torque?  (Read 2397 times)

Offline Koldsimer

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1 bolt in crossmember/trans mount- handle big torque?
« on: April 10, 2014, 02:32:59 pm »
Hello all. I have been a long time lurker on this site and it has proven extremely useful over the years. I have a few questions on a 85 gmc that I am restoring. It has a 496 that dynoed at 580 ft/lbs and I'm concerned that the one bolt in the trans mount is not sufficient for the torque/traction I have. Any thought or ides? Should I drill the crossmember to accommodate the two outer mount holes or is one bolt sufficient? Thanks!
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Offline bake74

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Re: 1 bolt in crossmember/trans mount- handle big torque?
« Reply #1 on: April 10, 2014, 08:22:48 pm »
     In this circumstance a "picture is worth a thousand words", can you snap a pic, are you saying there is 1 bolt on the bottom of the transmission mount where the rubber bushing is between the transmission and the transmission mount ?
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#1: The easiest and most obvious solution to any problem is 99% of the time correct.
#2: There is no such thing as impossible, it just takes longer.
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Offline Captkaos

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Re: 1 bolt in crossmember/trans mount- handle big torque?
« Reply #2 on: April 15, 2014, 08:32:23 pm »
I am assuming that you mean the singe bolt in the transmission mount like the one below.  It isn't "holding" anything other than keeping it from walking up and down/side to side.  Mine was dyno'd at 500lb/ft at the rear tires, it will be perfectly fine.



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