Quote:
Originally Posted by 86TOYO2k17
As long as you have timing that can be removed you should theoretically be able to continue to increase boost. But at a certain point you reach the “threshold” of that octanes ability and increasing boost will require you to pull so much timing that you will not gain any more power and potentially lose power but with all the inherent increased risk of more boost, so it’s essentially pointless to go beyond a certain boost with certain fuels.
On 12.5-13psi on my failsafe 92 map i still have a decent amount of timing although I’m probably right at that limit where more boost is pointless maybe even already a little beyond the limit, i would need to dyno comparison to know for sure. With my WMI i probably have a little bit more headroom left as i can safely run a bit more timing and obviously cooler IAT helps a lot too.
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If you max out timing in ideal conditions then won’t it be risky in less than ideal conditions like on a track or on a hot day because then the engine has no wiggle room to adjust timing?