If E85 was plentiful, pump gas was rarely going to happen, 400whp was the limit forever, the car never saw a track day and long commutes required fuel economy then I would totally say leave the stock compression, but in any other scenario I would say drop compression.
This quote from post 14 says it all:
Quote:
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My low boost 91 map now has higher tq across the entire rpm range than my previous stock engine high boost 94 map, with the rest of the setup and unchanged. So for those not going towards higher octane fuel, my feedback on those considering lowering to 10:1 cr would be that very satisfactory results (for my goals) was achieved.
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