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Jeep Performance

Mods to your Jeep to improve engine performance. From mods to add some horsepower or torque to mods to improve efficiency and fuel mileage.

Installing a Chrysler 727 into a CJ

A few years back we covered a frame up restoration of Rich’s CJ. The old Jeep was stripped and completely redone. See Rich’s 84 CJ-7 Restoration After a few years the engine that Rich had built started showing some signs of being tired. AMC engines are known for some design weaknesses and the fact that …

New High Performance AMC V8 for Rich’s 84 CJ-7 – Part 5

A few years back we covered a frame up restoration of Rich’s CJ-7. The engine in this Jeep was partially rebuilt during the initial restoration but the engine is in need of a major overhaul. New Problem: Distributor Gear and Cam Gear Worn The shredded camshaft distributor gear Only after an combined hour or two …

New High Performance AMC V8 for Rich’s 84 CJ-7 – Part 4

Issues right off the bat…what else will not fit? The new engine was placed in it’s new home, next the transmission and transfer case were installed. Since this Jeep never had an automatic some issues became apparent right away. The in-frame Hedman headers will not fit due to contact with the transmission oil pan. The …

New High Performance AMC V8 for Rich’s 84 CJ-7 – Part 3

The new engine delivery and installation The new engine arrived beautifully and carefully crated to protect the engine. It was mounted to a heavy wooden skid and wrapped.

New High Performance AMC V8 for Rich’s 84 CJ-7 – Part 2

The Tear Down The front wheels were removed and the Jeep was lowered as far as possible to aid in getting the engine over the grille of the Jeep. All the hoses, lines, and electrical were removed from the engine as well as the front accessories. for more information, ordering, and pricing visit The transmission …

New High Performance AMC V8 for Rich’s 84 CJ-7

A few years back we covered a frame up restoration of Rich’s CJ. The old Jeep was stripped and completely redone. See 84 CJ-7 Restoration

Sue’s 79 CJ-7

You won’t find this Jeep on the trail but wow, what a nice Jeep!  Sue from Iowa bought this CJ-7 in 1979 brand new and drove it daily for the first 4 years. It wasn’t long after she met her husband that the Jeep started getting modified. Sue’s husband Mike has a 79 Mustang Cobra …

Poweraid Throttle Spacer and Airaid Cold Air Intake install – Part 2

Installation Steps and Tips Continued After removing the temp sensor continue by removing the four bolts in the throttle body and pull the throttle body out. Install the spacer then the gasket then using the supplied bolts reinstall the throttle body.

Poweraid Throttle Spacer and Airaid Cold Air Intake install

Adding a little more oomph and some extra MPG to Christine’s JK. Having a nice new lift, new tires and wheels, and some other mods Christine’s JK needed some extras under the hood to help the performance and efficiency of the 3.8L V6.

Unichip Performance Module & Airaid Cold Air Intake Dyno Test – Part 2

Together with OK Auto we put two JK Wrangler Unlimiteds on the dyno at G&S Autoworks in Oxford, NJ to test the results of the performance products we were installing. The products involved int the test are the Unichip Performance Module and Airaid Cold Air Intake.

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Check out our book about building and modifying your 1997-2006 Jeep Wrangler TJ

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