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cad northstar bell housing bolt pattern

11K views 5 replies 3 participants last post by  joe_padavano 
#1 ·
anyone have the bellhousing bolt pattern for the northstar engine?
 
#2 ·
mgra103 said:
anyone have the bellhousing bolt pattern for the northstar engine?
The pattern is unique to the Northstar/Aurora motors. It is ALMOST the same as the GM 60 deg metric bolt pattern, as used on the FWD V6 motors, but not quite. Cadillac Hot Rod Fab modifies bellhousings from those motors to fir the Northstar. One bolt needs to be relocated on the bellhousing and a notch needs to be machined to clear the starter.
 
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