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Jeep Wrangler YJ
YJ General Discussion
Post Nutter Bypass Power Issues
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<blockquote data-quote="kwrsmith2000" data-source="post: 427535" data-attributes="member: 19233"><p>87 Wrangler 4.2, just completed a nutter bypass and totally replaced the old carb with a reman carter carb without the stepper motor......fired it up and saw immediate results with strong stable idle and engine sound generally....</p><p></p><p></p><p></p><p>However, seem to be having a consistent problem with power when the engine gets warm.....during the first ten min of a drive, runs great, nice acceleration, etc......however, once engine is warm......seems like I really struggle in 3rd and 4th gear to sustain any power.......in particular if there is any grade at all in the road......at times when engine is sluggish, seem to get vibration in the steering wheel and feels like it is just going to die a slow death..........</p><p></p><p></p><p></p><p>Trying to figure out where I should start looking to understand? I have already replaced wires, plugs, cap, rotor......as mentioned new carb, nutter bypass.....the timing when checked was at 9 otc....</p><p></p><p></p><p></p><p>so.....</p><p></p><p>EGR Valve?</p><p></p><p>Cat?</p><p></p><p></p><p></p><p>Can some smarter people give me some ideas where I should start.......i got so damn excited post nutter bypass, but can only enjoy the beast for ten min before I start to slowly, sadly drag my no power, light vibrating sweety home....</p></blockquote><p></p>
[QUOTE="kwrsmith2000, post: 427535, member: 19233"] 87 Wrangler 4.2, just completed a nutter bypass and totally replaced the old carb with a reman carter carb without the stepper motor......fired it up and saw immediate results with strong stable idle and engine sound generally.... However, seem to be having a consistent problem with power when the engine gets warm.....during the first ten min of a drive, runs great, nice acceleration, etc......however, once engine is warm......seems like I really struggle in 3rd and 4th gear to sustain any power.......in particular if there is any grade at all in the road......at times when engine is sluggish, seem to get vibration in the steering wheel and feels like it is just going to die a slow death.......... Trying to figure out where I should start looking to understand? I have already replaced wires, plugs, cap, rotor......as mentioned new carb, nutter bypass.....the timing when checked was at 9 otc.... so..... EGR Valve? Cat? Can some smarter people give me some ideas where I should start.......i got so damn excited post nutter bypass, but can only enjoy the beast for ten min before I start to slowly, sadly drag my no power, light vibrating sweety home.... [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Post Nutter Bypass Power Issues
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