Ok i am having my block shaved and board. i understand the timing cover needs to be bolted on but why does the timing idler pulley need to be torqued down? im not arguing i just want to understand what this does.
IBoughtASupra;1680174 said:It needs to be torqued to 36ft/lbs. It will make the first cylinder an oval if not bored with it. If you are not boring the block, just bolt the timing plate on.
shaeff;1680189 said:Correct, IJ. I believe was the one who measured actual deflection in the cylinder wall. I don't recall what that exact amount was, but it's enough that you want that tensioner torqued down to spec when getting the block bored.