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Old 02-21-2006, 12:08 AM
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SBF into Dogde D50 engine mount question..

Hi Guys,
Got a couple of questions about an engine swap I'll be doing. I have a 83 Dodge D50 (A rebadged Mitsubishi Mighty Max) that I'll be droping a Ford 302 in. It will be used mostly for 1/4 mile useage, with some street duty thrown in for fun. I was going to use a 351 that I had with a C4 trans but changed to a 302 for weight/size concerns. Then theres always the 347 stroker option. The rear diff will get swaped out for a 9" or 12 bolt, not sure yet.
My first question is the motor mounts themselves, I would like to use a front/mid plate set-up. It would help with header clearence issues (plan on useing a shorty style) and would seem to allow me to set the engine more or less where I want it. Cutting/sealing firewall not an issue. I was told that a solid mount is not good on the street. Is this a concern being that it would be limited street duty? I was also told that I wound not need a trans mount with a front/mid plate mount, The trans could just hang off the plate. This just does not sound right to me. Anybody know about this?

Also, Great site guys. I have done alot of 'lurking' here but I am starting my project so I'll have some questions.

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Old 02-21-2006, 07:20 AM
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You were given good advice on both. There will be LOTS of vibration through the whole vehicle with the engine mounted solid. Now you could make a flange on the bottom of the plates and use a rubber cushion between the plate and frame. There are mounts that are flat on the bottom with a single stud sticking up that would be easy to use in that way. You'll have to look through a catalog to find them though.

Until 1958 or so all engines had front and rear mounts -- two mounted on or near the timing cover and two on the rear of the block or the bell housing. The transmissions hung off the back with no support. And those tranmissions, especially old GM Hydramatics, were VERY heavy! They pretty much emulated the plate setup. You'll have no problems doing the same.
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