Was This The Result Of Detonation?
#22
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for the record i was talkin about scotts map, not hustlers. and its just to get the engine going and tune from there. u cant tell me all of you guys made all of your maps from scratch.
#25
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yeah my NA maps were basicly from scratch. i started off with diy's but then ended up re-scaling everything for NA and just said screw it and started from scratch. Its not bad.. but id basically like to start with a drivable map and tune it asap.
#27
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I cleaned off the carbon and look at it closer, it really looks like the FOD that matches #4. Without seeing the piston in front of me I'm speculating. But it looks like a piece of something pressed its imprint in the squish area, hopefully not parts of a piston. But I didn't notice anything when looking at them initially.
The last two blocks that let go from detonation had no head damage what-so-ever, in fact this is the head of my first replacement motor whose ringlands failed.
My spark map isn't much more advanced than DIYs (16-17* @ 13-14psi) and I run between 12-12.3:1 in boost. It ran great everyday for 10 months straight as a DD with a couple autoxes and dyno runs for abuse.
The last two blocks that let go from detonation had no head damage what-so-ever, in fact this is the head of my first replacement motor whose ringlands failed.
My spark map isn't much more advanced than DIYs (16-17* @ 13-14psi) and I run between 12-12.3:1 in boost. It ran great everyday for 10 months straight as a DD with a couple autoxes and dyno runs for abuse.
#28
Scott, can you post your latest datalog?
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