Thread: 428 V8 or 390 V8?
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Old 01-15-2011, 05:00 PM
boaterbob boaterbob is offline
 
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It would be a Q, The only other letter that would be in that position would be a Z. Z designates a 390 Q designates a 428. They look identical. It would be a 428 unless someone change the engine. Measure the stroke if you want
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