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Discussion Starter #1
has anyone ever heard of this before? i recently bought an 87 iroc with a 5.7 tuned port injection stamped on the rear bumper and the emission sticker states 5.7. however the engine code says f which signifies a 5.0. any answers?
 

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Discussion Starter #3
theres no no. on the flat surface of the block in front of the head. just like the 350 4 bolt main i'm installing in another camaro. cant see the casting no. on the rear of block either.?
 

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Mid to Upper 80's Camaros that were sold in California would have been 5.0's maybe the emblem was changed , or maybe the block has been rebuilt and decked thus eliminating the stamp off the front pad. Do a search on Front pads there are some posts on how to use a mild acid solution to bring the numbers back out ,
 
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