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Old 05-17-2004, 07:48 PM
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Default LT1 Rocker arms

Did the 70 Z28 use the "O" rocker arms? Thanks...Tony
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  #2  
Old 05-17-2004, 08:01 PM
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Default Re: LT1 Rocker arms

Tony I am pretty sure the hi perf "0" stamped rockers were used on LT-1s. I recently found one in my old tool box. All the parts in there are from my brothers 1971 Z.
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Old 05-18-2004, 02:43 AM
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Default Re: LT1 Rocker arms

Thanks Darren.
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Old 05-19-2004, 03:04 AM
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Default Re: LT1 Rocker arms

Well I kinda thought that someone else would offer an opinion. Darren, I appreciate your response. I will find a book that has the info. Nice to be a "member".
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Old 05-19-2004, 04:14 AM
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Default Re: LT1 Rocker arms

Tony
I might be able to add a little more info.
Rocker Arm unit #3843359 stamped "O" on the inside of the pad end,& in 1970 changed to Part #3974290 also stamped "O" was used on:
*1962-69 all 8 cyl,(exc. 396-409-427).
*1970 all 302-307-350,& 400 w/2BC
So Yes,the 70-Z28 would have used these rocker arms.
Rick
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Old 05-19-2004, 12:58 PM
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Default Re: LT1 Rocker arms

Many thanks Rick.
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