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Hi. I'm building a '67 TR6 650 engine. The cases are together and the primary and transmission are wide open, nothing installed. I'm replacing the 18 tooth trans sprocket with a 21 tooth sprocket. I just installed a new mainshaft transmission seal and it sticks out beyond the case about an 8th of an inch when fully pressed in. Before I installed the seal I could just barely slide the 21 tooth sprocket in and out between the cases. The 21 tooth sprocket wont fit through the primary door. Since my trans is out i can fit the sprocket between the cases then slide the mainshaft through the sprocket. With the seal in place, though, I can't slide the sprocket between the cases. the seal is sticking out about 1/8th inch. No seal - sprocket barely squeezes in. Is there a better fitted seal that isnt as thick and that won't hog the space needed to slide the sprocket between the cases?
Thanks in advance.
Thanks in advance.