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SVT Shelby GT500
School me
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<blockquote data-quote="PM-Performance" data-source="post: 16352431" data-attributes="member: 176806"><p>None of those are issues whatsoever. Not less forgiving at all than an alumb block like whatsoever either. </p><p></p><p>Pretty simple. . . if you want a remote tune, add a wideband. </p><p>If you want to get dyno tuned, your tuner will install their own wideband for tuning. </p><p>Knock sensors. . . who cares. Yea they are nice to have to add some timing when you have better fuel, but hardly a con by not having them. Most of the big boys end up disabling them anyway because of false knock. </p><p>EVERY PCM is open loop at WOT. I have never owned a car that wasn't. Closed loop is for fuel trims. Fuel trims are moot at WOT, so they all go open loop. Some older cars, tuners will completely disable o2 feedback and fuel trims and just command what they want to see with no trimming needed.</p></blockquote><p></p>
[QUOTE="PM-Performance, post: 16352431, member: 176806"] None of those are issues whatsoever. Not less forgiving at all than an alumb block like whatsoever either. Pretty simple. . . if you want a remote tune, add a wideband. If you want to get dyno tuned, your tuner will install their own wideband for tuning. Knock sensors. . . who cares. Yea they are nice to have to add some timing when you have better fuel, but hardly a con by not having them. Most of the big boys end up disabling them anyway because of false knock. EVERY PCM is open loop at WOT. I have never owned a car that wasn't. Closed loop is for fuel trims. Fuel trims are moot at WOT, so they all go open loop. Some older cars, tuners will completely disable o2 feedback and fuel trims and just command what they want to see with no trimming needed. [/QUOTE]
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