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Looks like I'm going through the same thing as 73-454, only he has a wickedly fast big block. :cool:
I pulled the intake on my car tonight, in anticipation of putting my new stuff on tomorrow. Anyhow, the only readable code I saw was righ under the Dist, on the Passenger side that reads "J235". There appears to be another code next to the bell housing on the Drivers side, but I can't make it out....I'll try again in the AM in the light.
The motor is obviously a crate motor of some sort (new style SB - one piece rear main)....just curious if that number above represents anything to anyone?
J235 is the casting date. They usually didn't use the letter "I" in cast dates so J = September. J235 = September 23 of the year "5"....1975? I would guess. Hope this helps. Chuck