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#1
03-23-2010, 08:27 AM
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Re: Decode TRW 21699 Piston / engine combo
A little odd number there, No letter code? any oversize? Number actually makes me think it is a goodwrench from the mexican cartel era....
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#2
03-23-2010, 02:37 PM
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Re: Decode TRW 21699 Piston / engine combo
Thanks Jeff. that's all I could see on the underside. The pan is now buttoned up. I've been led to believe it could be from the early 70's and has a domed top and must use short plugs.
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#3
03-23-2010, 05:38 PM
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Re: Decode TRW 21699 Piston / engine combo
I see would need the number from the top of piston. That Block with a 14 and 8 digit would be a late 70's the crank number is missing a number should be 39411182 Steel crank number used in truck all years with 2pc seal and I believe in early Z28. The 492's are angle plug I believe. Sounds like someone used a late 70's 4 bolt truck engine to start with.
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#4
03-23-2010, 09:05 PM
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Re: Decode TRW 21699 Piston / engine combo
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