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Old 10-20-2003, 10:49 PM   #2 (permalink)
midiwall
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Join Date: Dec 2002
Location: Seattleish, WA
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Given that you've taking care of the rig being able to exhale correctly with the headers and the exhaust, have you done anything to get it to inhale better? i.e, a deckplate or FIPK or at least a free-flow filter? That may help some...

I'm still learning the engine game, but If I had to guess, I'd say that you're leaning out. If so, then you need to find a way to get more fuel to the engine at that RPM. There are a number of fuel management units around, personally, I use the PerfectPower SMT-5. The longest thread on the board is dedicated to it:

http://www.yotatech.com/showthread.php?s=&threadid=5130
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'96 4Runner Limited S/C MI - 370cc injectors, Air! horns, Airaid MIT, ATS A-arms, 285/75/R16 BFG MTs, Bored TB, Brembo slotted, Cobra 75 WXST, Deckplate, Downey headers, Hayden cooler, IPT valve body, Level 10 torque convertor, Meanstreak exhaust, OME/OME rears, On-board PC (XM, Nav, WiFi, etc), Port 'n Polish, Remote Start, SAW fronts, Hilux console, SMT-5, Stubb's sliders, Supra MAF, TJM-17, 2.0" pulley, Viair 450c, Walbro 190, Weasy2k cams
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