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Author Topic: Increase Power  (Read 423 times)
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TJsTJ
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« on: August 02, 2018, 06:50:02 AM »

Want to increase power in '97 Wrangler 4 cyl.  Looking for best, cost effective tips.
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Jeffy
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« Reply #1 on: August 03, 2018, 01:15:11 PM »

Regearing makes a big difference but costs a lot.  If you're running larger tires you're already in the red.  Mods help but gearing will get you back.  Electric fan, larger Throttle bodies, Injectors, Hot Ignitions, etc... help but you have to be realistic.  You're not going to get I6 power unless you're going to be tearing into the engine.

Best cost effective option? Sell the Jeep and buy a 4.0L.  Barring that, buy another TJ and swap the engine over.  You can reuse a lot of parts from your 2.5L on a 4.0L.  I've seen TJ's for around $3000 which is double a regear. 

If you can fabricate than a Turbo or Supercahrger might be an option as well.
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dwtaylorpdx
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« Reply #2 on: September 25, 2018, 06:35:54 PM »

+1 My 94 YJ 2.5 ,,, its pretty much had a nice warmup, its better than stock, but when your starting at about 120,, its a lot to get anywhere without Pistons/crank/headwork.

There are a couple outfits that sell stroked engines in a crate long-block, but you will pay...
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94 YJ - 2.5 Hesco Cam B&B Ported - AX5 Trans w/Centerforce Dual Friction Clutch - 4" Rough Country Lift W/Skyjacker Shocks - D44 Rear/ARB - D30/ARB - ARB Compressor - Warn M8000 in Custom Bumper - Reunell Rear Bumper - Metalcloak 6" Body Armor Kit - Tuffy Console - 265x85-16 Tires - 2M Radio
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