THE J FILES

A ONE-OFF JEEP J20 WITH AN LS3, 37S AND LINKED SUSPENSION. WHY? BECAUSE LIFE IS TOO SHORT TO DRIVE A CAMRY

THIS 1981 Jeep J20 is Sam Kovac’s daily, which he found as a rolling shell with no driveline (other than the old engine) or wiring. So he shoehorned in a crate 6.2L LS3. Other than a GM hot cam and tune though, Sam is more than happy with the relatively stock 370kW and 620Nm output figures. The six-speed auto was sourced from a Chevrolet Silverado, so bolted right up, however, the transmission’s computer and the engine’s computer refused to talk. After a frustrating hunt trying to find someone local to sort out the software incompatibility, Sam latched on to Ultimate Conversion Wiring in NSW, who he sent both ECU and TCM to. Within a few minutes they had the problem solved, the control units were back in the vehicle and Sam…

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4x4 Magazine Australia (Digital) - 1 Issue, October 2024

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