havin a few issues with my stock d15 as well as my transmission; there are two bolts on my exhaust manifold that were broken off inside by the previous owner, and i need to know the length of the bolts so as not to damage the internals with the ease-out when i take the bolts out, also, my clutch is beginning to feel stiff and i also need to replace the rear wheel cylinders. any advice or info would be greatly appreciated. tks IA!