Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 2

Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 2

<< Previous    1  [2]  3  4  5    Next >> History of OEM EFI and Aftermarket Kits for the Jeep 4.2L Inline Six 1987 Jeep YJ Wrangler with 2.5L TBI four-cylinder engine. This engine package first appears in the 1984 Jeep XJ Cherokee.   AMC/Jeep 2.5L four-cylinder engines enjoyed the benefits of OEM throttle body injection (TBI) beginning with the 1984 XJ Cherokee. The […]

Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 1

<< Previous    [1]  2  3  4  5    Next >> MSD Atomic EFI: Jeep 4.2L Inline Six ‘How-to’ Retrofit!   At the 2011 SEMA Show, 4WD Mechanix Magazine video cammed new products for Jeep 4WD and Ram truck viewers. We sought out the most innovative and useful products in the market.   Carburetion on Jeep 4.2L/258 inline sixes has been a concern since the 1980s. At […]

Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 3

Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 3

<< Previous    1  2  [3]  4  5    Next >> Installing the Atomic EFI Master Kit Carter BBD carburetor is a two-barrel design found on emission era AMC/Jeep inline 4.2L sixes. Its complexity reflects emission aims. The carburetor features a microprocessor-controlled fuel metering system, still short of true electronic fuel injection. BBD two-barrel bores and throttle plate are dramatically smaller area than the Atomic […]

Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 5

Moses Ludel’s 4WD Mechanix Magazine – MSD Atomic EFI for Jeep 4.2L Inline Six Part 5

<< Previous    1  2  3  4  [5]    Next >> Observations and Driving Impressions      As set up and intended, the ignition and Atomic EFI function separately. Performance synchronizes as well or better than a factory BBD carburetor and this conventional Motorcraft ignition distributor.      MSD indicates that a smoother idle might be possible when using the Atomic EFI spark timing control functions. Another […]

Moses Ludel’s 4WD Mechanix Magazine – HD Video: Jeep 4.6L Inline Six Stroker Short-Block Options

Moses Ludel’s 4WD Mechanix Magazine – HD Video: Jeep 4.6L Inline Six Stroker Short-Block Options

Jeep 4.6L Stroker Motor Short-Block: Pistons, Rods & Block Configurations This series includes six HD video interviews with Tony Hewes…In addition to the video on this page, you will find the other five HD videos at the ‘4WD Tech How-to Channel’ playlist!   Moses Ludel interviews Tony Hewes in this detailed HD video series. This segment covers the Jeep […]

Moses Ludel’s 4WD Mechanix Magazine – Stroker Six Upgrade for XJ Cherokee

Moses Ludel’s 4WD Mechanix Magazine – Stroker Six Upgrade for XJ Cherokee

How-to: Jeep 4.0L Inline Six Buildup to 4.5L, 4.6L or 4.7L Stroker (4.7L Long-Block Inline Six—Photo Courtesy of Mopar® Performance) For other details on the stroker six buildup and Mopar’s 4.7L long block, see the article at the “Jeep YJ and TJ Wrangler Workshop” section of the magazine. Click here for direct access to the […]