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  #1  
Old 05-12-2010, 06:44 PM
BritishGreen68 BritishGreen68 is offline
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Default Trying to run NO subframe bushings, lowering the engine back down to compensate?

So here's what im doing lol.. Im trying to get my camaro as low as possible. I removed the subframe bushings and bolted it directly to the body to try and keep the sub from hanging down so far under the car, as well as lower the car a little more. Im running a T56 with sbc, and as we all know the T56 barely fits as it is. So, my plan is to notch the cross-member for the oil pan, and modify the frame/motor mount stands to lower the engine back down to where it normally is in relation to the body, so the tranny will clear the tunnel. Anyone else tried this? Tips tricks comments?? I don't want to cut up my tunnel...!
Issues Im seeing are headers, of which i will just run shorty's, steering column is flaming river so the u joint deal is already taken care of, and clutch linkage is easy.. should I bother doing all this?
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Old 05-12-2010, 06:49 PM
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coolwelder62 coolwelder62 is offline
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Sounds like your oil pan & trans now might hang below the lowest parts of the frame.Any hard driving and you might have a problem grinding some drive train parts on the pavment.Good luck.
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Old 05-12-2010, 07:12 PM
ProdigyCustoms ProdigyCustoms is offline
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Done it many times. Raise the transmission tunnel. Do not lower the oil pan lower then the crossmember
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Old 05-12-2010, 07:48 PM
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elitecustombody elitecustombody is offline
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Frank, how is the noise,rattles,vibration? I'm thinking of doing that on my 69 bird or should I just channel it?
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Old 05-12-2010, 07:58 PM
ProdigyCustoms ProdigyCustoms is offline
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No different then using solid bushings or welded in frame connectors.

I like to build all my stuff frame as rigid to the body as possible and let the suspension do the work
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Old 05-12-2010, 08:09 PM
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IMO, you need to cut the tunnel to get proper u joint working angles. When I say proper, I mean 1-2 degrees of working angle front and back. As low as we run these cars moving the engine down a little isn't going to gain the clearance needed in the trans tunnel to get a driveline angle that works well. With the high driveshaft speeds we are all after(5th gear at 100mph)smaller angles become critical for silky smooth operation. I wish I would've raised my tunnel. Otherwise, it's simply a compromise on u joint angles and vibrations of some kind will exist as your driveshaft speed increases. I'm still messing with mine to this day. Cutting my tunnel may still happen down the road.
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