Quote:
Originally Posted by alf
if this is a case and engine is protected by ECU against low octane fuels, that's awesome.
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Quote:
Originally Posted by conehead
You don't need a tune. The ECU will pull timing to protect the engine. However, since the engine was actually built for premium, your mileage and performance will suffer. A tune can't fix that.
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It's protected on the stock tune, but don't expect to be making any power.
If at altitude and on 87 and your IAM value in the ecu drops to near 0 you're gonna be putting a bit of an extra load on your motor and it's going to take quite a hp drop.
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