Engine code info

[ZL1.FUN]

I guess that would also mean this car, could be a Ls-5 I would take the numbers on the car, maybe it might also help

[Dave Rifkin]

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I guess that would also mean this car, could be a Ls-5 I would take the numbers on the car, maybe it might also help

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I'm sorry for all the questions but, what numbers are you referring to? I have the VIN number and the numbers from the tag on the door. Would they help determine anything? I am almost positive this car is an original LS5 car. It has the rear sway bar and the seller has been very honest about the car so far.

BTW: thank you for the reply.

[Mr70]

Those are the heads the LS-5 Corvette would have used,not a truck.
You might want to get the dates on them as well as the intake too.
It sounds like someone put this engine block in outside of the dealership.If it was a warranty swap,it wouldn't be displaying the TRK prefix,which,with that casting date,designates this was probably in a 1973 Chevrolet Truck at one time.Totally a coincedence that is also the abbreviation for the word Truck.The letter T is the important letter here.
T12 is a casting Plant control no. and is found on another engine blocks too.
What interests me is the engine casting date of B 19 73,yet the Tona code is B 13.(Can't cast an engine after it was assembled)..I would double check that to see if there is an error,or if it is correct,then it was assembled in one of the following years.

As far as trying to determine what engine this Corvette came with originally,if you can find the Radiator two letter prefix tag on the tank,relay it to me,as I can tell you what it's engine application would have originally been.
Also relay the Rearend 3 letter prefix,and possibly the Transmission information as well.
If indeed all these 3 components are authentic to this vehicle,then listen to what they are saying.

[Dave Rifkin]

Rather than bother the seller to go crawling around for those codes would you be able to tell me what they should be for an LS5 equipped Corvette, no air, manual transmission? I am going to look at the car this coming Saturday. Are there any books that would be able to provide the correct casting codes and other numbers I should be looking for as well as locations of these codes?

[ZL1.FUN]

CORVETTE BY THE NUMBERS might help some its by Alan Colvin ISBN NUMBER IS 0-8376-0288-2

[Mr70]

Personally,I love this phase of antique car purchasing.
The pre-inspection to determine what's what,and Alans book is a good source for determining this.
Look for a radiator tag showing MJ to denote an LS-5 Manual trans. car.
Good Luck!