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Original Message
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RE: 428cj flexplate questions??? |
By Alan C. - 08/20/2000 2:34:46 PM; IP 206.252.168.175 |
Yes, it is definitely a problem. 428s are detroit balanced 390s are zero balanced which means the 428 flexplate will have a counterweight welded to it where as the 390 will not. You need to get the correct flexplate. A detroit balance is external and a zero balance is internal. A 410 Mercury also shares this balance. 79 and newer 460s are externally balanced as are 82 and later 302/5.0. |
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