Jeep Tech: Engines - Engine Upgrades - Jeep at Off-Road.com
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Jeep Tech: EnginesEngine Upgrades
Publish date: Aug 1, 2005
By: ORC STAFF
Source: Jeep at Off-Road.com
 
Custom Air Intake for Your Jeep YJ : The factory air intake/air box on a late model Wrangler is fine for most applications, but if you're looking to upgrade your air intake set-up, check this out...

Flowmaster "Delta Flow" Series Mufflers : Just say that one word, Flowmaster, and anyone listening to you begins to hear a low rumble in their head, while pictures of full-size trucks, drag racers, and rock crawling Jeeps run through their mind. Everyone knows that Flowmaster means Performance!

4.0L Blowing Oil Into Air Filter: I think everybody that owns a 4.0L Jeep engine has had this problem or is going to have this happen to them sooner or later.
TDC Sensor: Starting problem caused by inexpensive TDC sensor.
4.0L Throttle Body Maintenance: Keep your 4.0L engine running smoothly with the proper maintenance.
2.5 Performance Tips: Making a 4 cylinder Jeep work for you is a possibility. These little motors are reliable and decent on fuel. They run forever and require little maintenance. The only complaint most owners have is a lack of power
XJ K&N Filter Conversion: Installing a K&N filter in a 4.0L XJ.
AMC 258 (4.2L) Build Up: Brad Feick on building up the AMC 258.
Review: Jacobs Omni Magnum Ignition System
Computer By-Pass: John Nutter's alternative ignition modification for the 4.2L engine.
Mopar Ignition Upgrade: Ignition upgrade for a more powerful 4.2L Jeep Engine.

Fuel injection upgrades

Reader installs the Holley TBI on the 258 I6.

Tech Tips

Learning to Love Your 258: An easy fix for the most common idle problems with the 258(4.2L) engine used in Wranglers(YJ) and CJs.
258 Primer : Are you lost in a maze of vacuum hoses? Are having problems passing your state smog check? This article covers everything you need to know to fix and understand your 258.

Swaps

Buick 225 V6
Consider the Buick V6 : Consider the Buick V6, it is short, plentiful, and powerful. What more can you ask for in your short Jeep. The Buick is well suited for a swap into any short CJ-5, CJ-3B, CJ-3A, CJ-2A, or their miliary bretheren.
2.8L to 3.4L Engine Swap: The Chevy 2.8L is notorious for it's lack of power and low torque, and upgrade to the Chevy 3.4L 60? V6 is in order.

Last modified Friday, 13-Jan-2006 13:33:24 PST

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Source: Jeep at Off-Road.com, 8/1/2005
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