[quote=mr henderson;18258]Reasons-
How much torque should this type of rubber mounting be subjected to? I don't have any workshop manuals featuring this type to hand, but basically it's a flat plate bonded to rubber, and surely should not be tightened beyond a moderate amount.
Hmm I dont know what sierra your mounts come off but mine are certainly not just a flat plate bonded to rubber.
I think that slotted chassis would be fine but if you were worried about movement there are engineering ways around this a simple engine type specific plate bolted onto the chassis would stop any movement.
or just make different engine side mounts to suit a standard position hole
I only entered this conversation as ive built my chassis and knw there are pitfalls to thinking you can just buid to the book
for instance mr henderson show me where in the book are the dimensions for the standard engine/g/box mounts i assure you you need to fit an engine to find the positions or copy someone elses as there are no dimensions in the book.
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