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is 0.5 bar with a t67 closed loop 14.7 afr safe


mellonman
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i have been having a converstion about open and closed loop stuff,

The stock gte ecu stays in closed loop at part throttle up until 0.5 bar with stock turbos

 

now i have fitted a single t67 turbo and have been trying to find out if that amount of boost at 14.7 afr is safe part/light throttle.

 

its i was looking into scrwewing the o2 signal and cutting it completly at boost so i can get the ecu ready for mapping, i hear people runing no o2, switch through a relay, no not doing anything confused much lol :bang:

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It's lean for positive boost. Just hope your timing isn't too advanced. For that, I think you'd want to be in the 12's or high 11's for any positive boost really.

 

I think you should just leave the car and save for a proper ECU (even if it's not a Syvecs). Hell, a MegaSquirt would be better than what you've got now mate.

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