I'm swapping a B27 motor out for a B25. My mechanic got to the oil pump and there's a slight difference with the relief valve. There's a hole in the b27 bottom but not the same on the B25. Is there a different valve? Thought all pumps were the same? Also noticed the oil tube was moved further back on the B25 and the B27 dip stick is too long for the B25, anything to that? I've read up what I could but haven't come across anything for this. Any help is appreciated gentleman!
B27 mount
B27 mount
B25 mount with spindle
B27 oil tube
b25 oil tube
B27 mount
B27 mount
B25 mount with spindle
B27 oil tube
b25 oil tube
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