Look at Mr. Sony the Q-jet master! I'm impressed! Well done. Anyway check out this site and look up all the Q-jets used by Olds on various models thru '79. http://www.newagemetal.com/pages/Oldsmobile/70-79/index.htm Find something close to your motor and target that. If not at least see what jets and rods you need and swap them into the best carb you can find. I agree the non-CCC Q-jet is the way to go and the jets/rods did not vary that much from motor to motor in those years.
Awesome link. thanks man.
although i dont know the exact year of my engine, the block casting number and other stamped info (3161, with 5A code on head, 5.0L) tells me it was made starting in 81.
but i think based on what I have seen here and elsewhere, i will search for a 79-ish carb.
thanks for all your input. helped alot. im going to look for a late 70's Qjet on ebay now that i know how to decode and see what I can findDo you still have all the computer stuff? If not, any qjet from an olds 350/403 will work. Get one from 76-79, those are the best ones to get. Final design of the qjet before all the computer crap. 1705625x, 1705725x,1705825x, and 1705925x would be carbs to watch for. The 1705 is the model of qjet, the M4MC (Modified 4M[OG qjet) with carb mounted Choke, ie hot air, M4ME would be factory electric choke. Olds used hot air until the bitter end). The 5 denotes the division in which the carb was for. 0,1,2= Chevy 3= Cadillac 4= Buick 5= Olds 6,7= Pontiac. The 2 is the 49 state Quadrajet, a 5 would be the Cali Qjet. And the last number can be whatever. It usually means if it was an auto or manual trans car. Even normally means auto (provision on linkage for kickdown cable) and odd normally means manual, but there is little to no correlation to it. An 8 at the end means it's a Checker/Marine carb. Just search into ebay for a carb of your choice and just pick one from there. For example, I have a 17057252 800cfm sittin on my shelf. It's an 800cfm '77 Olds qjet I nabbed off a 403 toronado.