Jeep 4.0L Swap
20 March 2007One of our topics of study will be the Jeep 4.0L sixer and everything involved in swapping it into different vehicles. I will start with covering the swap I did in 2003. This swap was a 1993 4.0L HO from a YJ into my 1982 Jeep Wagoneer.
The Wagoneer originally came with the 258 6 cyl, the big brother of the 4.0L. Here is a breakdown of the parts I used:
| Part | Purchased from | Price |
| 4.0 complete engine from a ‘93 YJ with 77k miles. I drove to Alabama to pick it up, about 700 miles. This engine came with the harness, PCM, Helix throttle body spacer, air intake, starter, P/S pump, and headers. | ebay auction | $600 |
| Hesco’s Harmonic balancer and sensor kit. Includes new machined balancer, sensor, and bracket that attaches with 3 oil pan bolts. | Hesco | $289 |
| 90 psi inline fuel pump | Hesco | $85 |
| Accelerator cable from a ‘93 Wrangler 4.0 Motormite part # 16635 |
Advance Auto Parts | $17 |
| New Wagoneer radiator. What better time than an engine swap to buy a new radiator? | Advance Auto Parts | $191 |
| non-power brake master cylinder for a ‘78 J-10 | Advance Auto Parts | $28 |
| MAP sensor | Advance Auto Parts | $30 |
| 7/32″ vacuum hose for MAP sensor | Advance Auto Parts | $5 |
| (2) 12 volt 30 amp relays for: ASD (auto shutdown) relay and fuel pump relay | Advance Auto Parts | $5 |
| 12v panel indicator light for new Check Engine light | Advance Auto Parts | $5 |
| Machine shop drilled out the front hole on the passenger side motormount to fit a 12mm bolt | machine shop | $10 |
| low restriction fuel filter before pump NAPA part #18-7831 3/8″ inlet 3/8″ outlet |
NAPA | $5 |
| regular fuel filter after pump NAPA part #3482 3/8″ inlet 3/8″ outlet |
NAPA | $10 |
| 5 feet of 5/16″ fuel injection rated hose and hose clamps | NAPA | $33 |
| Lokar Kickdown cable part# KD-2727HT for TF-727 | Summit Racing | $60 |
| Longer cable to replace the one from the Lokar kit | $5 |
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