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Old 07-15-2007, 04:22 PM
3macs1 3macs1 is offline
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Default Re: weird engine manufacture code

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Very unusual. Interesting that the codes are different, I just can't help wondering why the factory would use a different code than regularly used....I wonder if the "3T" code was for close ratio trans, because we have two wide ratios known with "3S" designation?.

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I thought it may have something to do with one came out of a impala and one out of a pontiac but I don't know. For what it is worth the 3T was a close ratio 4 speed.
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