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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 -
The main stuff from.Vibrant I see is more their intercooler piping, and everyone raving about their clamps, but when I looked it was about $150 per clamp... I was a bit I also thought the public price SP had up was high. As Mark said, a normal exhaust shop can fab them. It was many years ago that I had a full exhaust built, but for a full turbo back exhaust, and 2 custom built mufflers, plus a high flow cat, was about $1,100, and that was fully installed, drive in, drive out. I believe SP was about $900 for 2 mufflers, just supplied These days, I just buy the material and built it myself, because I need to stretch my $$$
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