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Old 02-13-2009, 04:36 AM
Nubs68 Nubs68 is offline
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Default Help with 1968 GT500 Restoration

I am helping a friend collect some parts for his 1968 GT500. I found this motor in the back of a garage while looking for some Chevy Parts. The owner did not know the history of it as it was his father's (who passed away). I bought on a hunch and quick inspection. The Block casting is C7ME-A with a bore of around 4.13. This should be a 428 Block. The heads are casting C8AE-H with 14 bolt exhaust pattern. It has what looks to be an old Edelbrock aluminum intake. Is there anyway to tell if this could be a "Correct" 428 engine for his 68 GT500. The original engine is long gone from the Mustang. He wants to put it back as correct as possible. Did they put the Police Intercepter 428 in the GT500 prior to the release of the Cobra Jet version? Any help would be appreciated.

Matt
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Old 02-13-2009, 05:37 PM
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bergy bergy is offline
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Default Re: Help with 1968 GT500 Restoration

I have a 67 GT500 with a correct 428PI engine in it. Yours would have 1 4bbl - 67 is 2 4bbl.
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Old 02-13-2009, 05:48 PM
csx289 csx289 is offline
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Default Re: Help with 1968 GT500 Restoration

Yes, non-KR 1968's used a 428 PI engine, aluminum high rise type intake with Holley 735 CFM carb.

These were not VIN stamped so you need to check casting numbers, casting date, and the stamped in engine assembly date against the build date of the car. If you send me the vin I can tell you the build date - or you can contact Marti Auto Works and order one of his reports that will help you figure out exactly what the car is (was). I don't have a book in front of me but I think the casting numbers you list are correct - but double check!

Hope this helps-
Colin
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Old 02-16-2009, 06:53 PM
rubbinisracing rubbinisracing is offline
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Default Re: Help with 1968 GT500 Restoration

67 GT500 Block casting numbers: C6ME-A, C7ME-A

Head casting numbers: C6AE-Y, C7AE-Y

The C8AE-H heads are:

1968 - 390,428 with auto trans except PI
1969 - 390,428 except PI
1970 - 390,428 PI
1971 - 390

Check your casting dates on the side of the block where the oil filter adapter attaches.
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