Ls1 to a 200r4
#2
no i have one behind my ls1 you could use the gm flat flexplate #12551367 but you must drill out the holes for the converter the bolt circle is different its not hard at all and one other thing theres a spacer you must install between the crank and flexplate gm #12563532 longer bolts also will be required #12563533
#5
I used a curved flexplate and the hughes spacer. The flexplate I bought had two different convertor patterns and did not need the holes drilled out. It was all just bolt together.