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Smog Pump Decoding.
1 Attachment(s)
When decoding a smog pump is there any numbers that link it to a specific model of car? I know the casting number and date on the rear cover and The Julian date on the side of the main case. And the various pulleys that are numbered? I have one stamped 008141S I am decoding this as the Jan 8, 1971? What does the 41 stand for? The rear case casting# is 7801149 what looks to be D59 casting date. With a 3927116AU Pulley. Is it possible for a early 1971 smog pump to have a April 5, 1969 casted case? The pump looks to never been apart. Just trying to learn more about smog pump numbers.
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Re: Smog Pump Decoding.
Going off of memory and I could be waaaaay off but this is what I get
008141S 0081 - 81st day 4 - 1974 1 - shift S - without pressure relief valve What color is the fan? |
Re: Smog Pump Decoding.
Too many numbers....81st day is 081 not 0081
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Re: Smog Pump Decoding.
The fan is Black. You think it was an error when originally stamped?
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Re: Smog Pump Decoding.
White fans were from 68-72ish. after that they were black. Please realize that I am going off of memory and my dates may not be 100% accurate.
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Re: Smog Pump Decoding.
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Re: Smog Pump Decoding.
Take the fan off and it will have a year on the front
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