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Classic Mustangs Talk General Discussions

General discussions specific to 1964-1967, 1968-1970, and 1971-1973 Classic Mustangs. Discuss all non-technical topics related Vintage Mustangs here.

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Unread 12-30-2010   #1 (permalink)
StangDriver289 is offline Rookie

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Default 1968 Shelby GT350 302 Identification

Hey, I have just accuired a 302 engine from a guy that I also got a lot of other parts from in the past. He had it sitting in his garage since he got it from somebody looking to put it into a van. He said it was a rebuilt, crate engine and it looks like he was telling the truth (There is a tag on the front of it from a rebuild shop). I took it home and did some research on it and it shows good indication that it is actually a 1968 Shelby GT350 302. This was apparently like a small block version of the 428 GT350 of that year. The numbers on the block are C80E-6105 and the one of the heads has a 40 on it, another tell tale sign of a Shelby. The harmonic balancer is huge and the fan spacer looks to be the right one. Can anyone tell me for sure if I have a Shelby GT350 engine, or just a regular 302?

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Unread 12-31-2010   #2 (permalink)
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Hello. The 68 GT-350s had the same plain-jane 302 4bbl that a J code Mustang had. It even came with the same cast iron intake manifold until February of 68. People were complaining about that so Ford started putting the aluminum intakes in the ones they built after that, and, did a recall to replace the cast iron intakes with the aluminum ones on the cars that they had already sold. There isn't anything special about the motor. But, it should have a partial VIN stamped on the top of the block, behind the intake manifold. If it did come out of a Shelby, it would have value to the person that now owns the car that it came out of.
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Unread 12-31-2010   #3 (permalink)
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Default 1968 Shelby GT350 302 Identification

Thanks Veronica, there is a vin code on the block behind the intake, so that confirms my theory. Are these blocks of any significant value that I should be aware of? (other than sentimental value of course). I looked to see if I could find the horsepower of the engine and found that it was only a 250hp. How could I make the engine have a little more power? I have a 600cfm edelbrock and platinum spark plugs with MSD setup, but is there anything else that could be done without breaking the bank?
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Unread 12-31-2010   #4 (permalink)
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Hi again. The only person that would find that motor more valuable than any other 302 would be the owner of the Shelby that it came out of. Other than that, it isn't a valuable motor. If you have the original carb for it, that would be worth about a grand, but, that would be the only valuable component.

As far as getting more out of it goes, some nice, free-breathing headers would help, and, not running the single, transverse muffler that the car would have had originally. Something like a 3.50 rear end would wake it up some. It's really all a question of how much money you want to throw at a build.
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Unread 06-10-2013   #5 (permalink)
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the 1968 Shelby GT350 302 was not the plain jane 302 as in every other Ford. It was modified by Shelby and the modifications are listed in the 1968 Mustang/Fairlane engine manual.
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Unread 06-11-2013   #6 (permalink)
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Quote:
Originally Posted by SharonAnne View Post
the 1968 Shelby GT350 302 was not the plain jane 302 as in every other Ford. It was modified by Shelby and the modifications are listed in the 1968 Mustang/Fairlane engine manual.
Yes, but the GT350 lost some of its edge when the high performance 289 was replaced with the factory 302 V-8 using an aluminum Cobra intake manifold and Holley 600 cfm carburetor. The 302 found in the GT350 is rated at 250hp (regular 302 was 235hp). Probably enough HP to pull the hat off your head, but nothing to brag about.
Also found on the 302 is a Cobra oval air cleaner and Cobra valve covers.
Functional Ram Air was an option on the GT350's, and unless you were lucky enough to have a Paxton Supercharger, this was a tame Shelby.
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