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100% agree. Best bet on an RB will be NEO, but even it will be a long way off. Emissions is one of the big reasons car manufacturers went to DBW and constantly variable cams. When cruising, open the throttle right up, but reduce dynamic compression so low, that it's basically an unrestricted air pump moving very little air. -
By funkymonkey · Posted
I’m hosting a bunch of execs in the McLaren box on Saturday. If you’re around I’ll come say hi, and see if I can sneak out some freebies. -
Yes. All of this. But even when you get the NOx as low as you can go on an RB, it will no doubt still be way too high. Same with CO and HCs. The tech and the tuning time just isn't there. -
Dang. I love the little 'oil used' bingo card on the side. 🤣 Well, now they can use a box and an oil-filled goon. -
Many many moons ago, I was chatting with Andy Wyatt, about his auto ignition tuning. One of the HUGE things he said to me, when tuning for power, right where you hit peak ignition timing for your max torque, dramatically increases NOx emissions. He was finding in testing, particularly on engines you could advance timing beyond peak torque, that backing the ignition timing off a couple of degrees only made for a small drop in torque (compared to if you keep backing it off further the same amount of degrees) but dramatically reduced NOx emissions. I'd say targetting for 14.7, and he's even mentioned in some scenarios going slightly leaner, and pulling a few degrees of IGN timing will help pass for emissions quite a lot. However, who tunes an RB for emissions
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