Need some help with engine codes - Block ID#'s
I own a '59 that is clearly not a matching numbers car, but I haven't been able to figure out the engine. Let me give you the numbers and what I think they mean, and then if someone out there has more or better information.... well, great. I really would like nail this down.
The engine code is: 3896944
I think this is a late '66 or early '67 engine - a 283.
It's got Covette valve covers (with the casting flaw) but I don't think they were installing 283's in 1966. So.... it would seem someone found a 283 and simply put Covette covers on it.
Other numbers on the engine:
I don't have a clue about that.
I think this means
V=Flint (engine built in Flint)
08 - August
08 - 8th day of the month
DE - I have no idea, but this might be very helpful in determining where this engine came from.
Can anyone shed any further light on this?
You are correct, engine code (3896944) was used for 1967 283 ci/195hp 2 bolt main, Passenger Cars & Chevelles
Originally Posted by MinnesotaPaul
V is for Flint
"DE" Code used for 65-67 283 ci, 195hp, 2-Bbl, Powerglide, Chevelle and El Camino applications
From my reference, the 3896944 casting was produced in the 62-67 timeframe.
Originally Posted by MinnesotaPaul
The date code L3693 does not seem correct, could you have copied it wrong? ... a similar 4 to 5-character coding format was used by the Tonawanda foundry, but should be in the "month letter, day of the month, 2-digit year" format. Other formats used "month letter, day of the month, 2nd digit of year". Your code fits neither format.
You are correct about stamping; "DE" is a 195hp 283 ci block used in Chevelle, Monte Carlo, El Camino, and Nova, with Powerglide tranny.
Thanks, both of you, for your help. The "DE" thing was one I couldn't figure out. I'll check again on the "L" date code. (The car is in storage right now.)
So here's another question. The block is a 283. The DE code says it only made 195 HP, but can I assume if I have the correct 4-barrel Corvette carb. on the car it's really putting out 230 HP? (My car is a 4 speed, not a powerglide, BTW).
My recollection, kinda hazy after all these years, is that the old "PowerPack" addition of a 4-barrel and dual exhaust added about 25 horses. Chances are that different heads and/or perhaps pistons or cam would be required to make that much difference.
Do you have the casting number on the heads? (valve cover has to be removed to see it)
Your assumption is correct. The base Corvette motor was a 283 with flat top pistons, 9:25 to 1 compression and a 4 barell carb. The 195hp passanger engine had the same bottom end, but a 2 barell and single exhaust. The cylinder head in 59 was a power pack type with a 1.72 intake valve. By 67, the 195hp Chevelle / passanger engine was using the same design and size head, but different part number. Camshaft was a hydralic unit.
The old 283 is a great motor and will take what ever mods you want to give to it for increased performance.
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