This weekend I did a major assualt on engine mounting. So far all previous fit checks have been to establish engine positioning and alignment. With engine position established the subframe was completely modified to to be able to accept the original SL600 mounting brackets and mounts. I really wanted to use the original SL600 mounts as they are tuned to the engine. This required a significant lowering of the subframe cross section. The top portion of the SL600 cross member with the engine mount holes, was used as a template and temporarily welded in place. The engine and trans was re-fit checked and final adjustments were noted and will be installed. The fan is currently 1/8 inch from the radiator tank seam and will therefore be moved back an aditional 1/4". Engine fit checking has to be performed with weight on subframe to properly establish the hood clearance, as the engine will rise in relation to the hood with the weight on the subframe. I finally ended up with ~ 3/8" of hood clearance, which was too close for comfort to me. So my final changes to the sub frame will be an additional 3/8" lower, for a total of 3/4" engine to hood clearance.

A significant amount of strenght has been taken out by the reduced cross seaction of the subframe. Unfortunatly the end result will require a significantly heavier subframe to bring the strength back up to par.

I'm hoping to have final engine mounting completed in about a month. Then comes plumbing and of coures my favorite, wiring.

John Roncallo