Quote:
Originally Posted by grandam1979
I would think any dealer installed engine would be an SR block
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MIKES ANSWER TO THIS: What is SR Block Please, I never came across ... Do you mean service Block? In order to be a service Block, the Block would not have been stamped yet at the Factory and could very well have been stamped at the Dealership. In my case the stamp is YK and a EUN was stamped in the correct place under the P.S. Head left side sitting in the car. My Block shows an additional # 2288 stamped upside-down in light pressed form plus the letter "P" is for Pontiac (the assembly plant) that I learned recently. I still wonder if a place like Royal Pontiac stamped there Upgrade Blocks this way and weather they installed the Tri-power cam intake and carbs?