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Message: <blockquote data-quote="12savefuel" data-source="post: 1064268263" data-attributes="member: 69762">Guys with reference to the Original jerking problem during idle in D or N problem, if you have tried all the options as previously described in the forum, I suggest to try changing 2 new O2 sensors, as this controls the AF ratio at idle. It feels like a lean misfire stumble rather than rich misfire stumble.As with reference to detonation, yes the VQ30 does detonate and is intake air temp related. It will detonate from -0.2bar all the way to 0bar with high load on the engine like A/C on and a slope in 2nd, 3rd, 4th gear. It will even detonate starting at -0.3 bar if your EGR system is blocked or faulty. I have tried it and if you disable the EGR system it will detonate at -0.3bar so make sure your whole EGR system is clean and working well.You will only have this problem when you engage from N to D or switching between gears. The problem if I understand it right is that in D when idling it will misfire and stumble. Which a broken engine mounting will not solve. If the mounting is broek when moving between the gears you will feel a "klok" feeling. The feeling that other are getting is a stumbling and misfire like when your heart skips a beat. It will idle smooth then miss, then idle smoooth then miss 2 -3 times them smooth again, all while in D but will never stall. The VQ engine should be smooth all the time.</blockquote>

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Aftermarket intercooler

Hey guys,

anyone got experience with those taiwanese/china aftermarket intercoolers?
Got any difference?

bosch 044 fuel pump (good for 600hp)

as title, going for rm 830, new

0122870615

cheers.