Crossmember bushing question
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Elder User
Joined: Sep 2009
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Crossmember bushing question
Quick question for you all. Im in the process of installing my doubler ( 203/205 ) into my 89 F250. Was looking around the net today for some fresh ideas and I came across a thread which brought a question to mind. I was planning on building two crossmembers, one for the trans and one for the 205. Then connecting the two together with some DOM. Solid mounting all three to the crossmembers with polly bushings at the frame.
Now in this thread I read that having the bushings at the frame was a disaster waiting to happen. Is that right? If so what are your recomendations to change that. Thanks
Now in this thread I read that having the bushings at the frame was a disaster waiting to happen. Is that right? If so what are your recomendations to change that. Thanks
Post Fiend
Joined: Jun 2004
Posts: 8,147
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From: Joppa, Maryland
You either want to have bushings on everything or solid mount everything. If you have bushings on the motor and the trans with the tcases solid mounted when it starts flexing it'll snap the weakest point of the connections between the drivetrain parts, usually aluminum ears on the transmixer. Or you know, the other way around tcases bushing and motor solid something else will give when you romp on it.
Is that what you were asking?
Is that what you were asking?
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thats the stuff i understand. What this thread said was that using polly's for the t-case/trans and reg stock rubber mounts for the motor wouldnt work. Something about having those polly bushings at the frame side of your crossmember was bad. I really didnt understand why and every picture i have seen of installs has it set up the way that was said to be wrong.
i thought about this all night and cant figure out why that setup would be bad. Might just throw the motor on some pollys so their all the same and quit thinking about this
i thought about this all night and cant figure out why that setup would be bad. Might just throw the motor on some pollys so their all the same and quit thinking about this
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