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On 28 Sep 2005 at 21:52, BOB2TYPE3S@aol.com wrote: > By the way you do realize the t-4 uses 4 - 8mm bolts > to hold the rear of the engine, versus 2 - 10mm and one 8mm bolt on a t-3. > When you look at it like that, things get a little nervous about just using a > rear hanger alone. I think the type 4 bolts are spaces farther out from the center. That is the most important factor, since the torque is the force x the lever arm. > The bus and 914 use rubber bumpers on a bar that is bolted to steel, and the > engine case (with little brackets at the case end). I'm not really sure on the > 914, as I don't own one, but the bar is cast iron (I have one) and it has > tubular shaped ends like it's rubber mounted at the ends. I've worked on those, and I have the dirt still embedded in my knuckles to prove it. ;-p The 914 cross bar was bolted solid at the outer ends, and the inner supports were via 2 rubber mounts. There was NO mid support. I hadn't thought of this, but now that you've brought it up, I think it makes it pretty clear that mid support is unnecessary. I didn't like the 914 crossbar solution, however, since it put the rubber bushings in close to the engine where they took a lot of force. Frankly, the type 3 bushings are larger and stronger and they are at about 10x the radius. The 914 bushings that I had to replace only broke after the owner ignored my warnings not to jack up the car by lifting under the engine case. He'd gotten away with it many times, but one last time tore them apart. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~