I Do This For The Glory
Join Date: Dec 1999
Location: Nobleboro, Maine
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Re: 92\' 4.0v6 wrangler..no top end? what can be done?
CJ8'ER, I was just busting your chops, I knew you knew what you were talking about.
Did it ever have good acceleration in those gears? Our '97 with the 4.0 will rip through all of them, and we've had it cruising at 95 mph (speedo goes to 100) for hours on end, and it still would have taken more.
If it did used to travel well, I'd say gearing isn't it and look towards the tuneup aspect. I'd also look to the cat and muffler, which when partially clogged will still feel like it has some zip in the lower gears but doesn't have the power in the upper ones.
Winter Harbor, Maine
'81 CJ-8 Scrambled, It's a Jeep, Chevy, IHC kinda thing!
'88.5 Zuki, 5" Calmini, Locked, Swamped, Rolled, and just generally broken in right!