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drive-ability |
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#1
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Senior Member ![]() ![]() ![]() Group: Members Posts: 1,169 Joined: 18-March 05 From: Orange County, California Member No.: 3,782 ![]() |
I know most of you guys have Porsche engines but most have a lot good ideas about most power plants. I have a V8 car and from the start my goal was to make it a reasonably comfortable driving car. One of the things I am looking at is adding more engine mounting points. I have a Renegade set-up and am thinking of installing a set of 911 engine mounts where the engine cross-member connects to the body. Thats as I understand the factory 4 cyl is done. Not using 911 mounts but similar. My question is about where the vibration comes from, at what point is it transfered the most. I wonder how much is transfered through the drive axles? You could have a great set of engine / transmission mounts and still get a lot of vibration via the axles. What do you guys think on the subject..? I know using the 911 mounts on the Renegade cross-member will introduce more forward / aft movement but the 911 mounts seem to have a firm hold on my transmission. (IMG:http://www.914world.com/bbs2/html/emoticons/welder.gif)
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neo914-6 |
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#2
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neo life ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 5,086 Joined: 16-January 03 From: Willow Glen (San Jose) Member No.: 159 ![]() |
Have you driven your car without the body/xmember mount and it's vibrates too much for you?
The properly tuned V8 revs smoothly. I originally had more "isolation" in the trans mount and Brad changed them to solid. It helped solid shifting. I was told by the conversion designer (Jaide) to mount the bar solid to the body for correct engine placement. You would drop the body if "stock" isolation was added. The engine bar to engine mount is sufficient for isolation. I switched to Polyurethane but I haven't got the car running yet. If you're after more vibration isolation go for it. It will just add some more R&D. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif) |
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