In the process of purchasing an SS from a friend. The car had a D-1SC Procharger kit installed with a SLP ZL-402 Iron Block with stage 3 Patriot 6 liter heads. He sold the procharger kit and im looking to convert this to a high compression setup. Is it as simple as changing the heads and cam to pick up compression? I think the slp block comes with a nominal compression ratio of 9 to 1. Installing a setup of heads with smaller combustion chambers sounds like it would bring the compression back up but would it breath good enough through them?

 

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What are the current specs on the motor?

- Dished pistons?
- Bore/stroke?
- Current combustion chamber size?
- Current cam specs?
- Current head gasket thickness and diameter?

Also, what kind of compression are you looking for? With this information, someone could tell you whether or not a head swap would be sufficient to reach your goals.