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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
MGB-GT MGB GT Overdrive
- Thread starter roger64
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tony barnhill
Great Pumpkin - R.I.P
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I don't believe you can tell from VIN.
John Moore
Luke Skywalker
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Bruce, is right, on G series engines if there is a "R" in engine number that would indicate OD. But the best way to tell is get under the car and look for the OD lump.