1988 Jeep Grand Wagoneer

We bought this truck in May of 1998 for $1400, with 163,000 miles on it. I intended to buy this truck to haul lumber and stone for our yard; it is just as good at hauling kids to the beach for vacations, so it has become Karen's daily-driver. It has needed a lot of little things (mainly electrical), and some big things including rebuilding the engine to stock specifications, except for the addition of an Edelbrock Performer-Plus camshaft, at 165,000 miles. I upgraded the ignition system with an MSD-6A box and an MSD adjustable timing controller.
The exhaust is a stock-style 2½" single-exhaust system using Walker pipes, but with a Random Technology #902501 Super High Flow catalytic converter and a Flowmaster #52571 Big-Block II 70-series muffler. The original converter was plugged up badly, resulting in miserable performance; the new high-flow converter and muffler certainly add power, especially on the highway. While the Flowmaster model I used was their quietest model, and is definitely quieter than their 30, 40 or 50-series mufflers, it certainly isn't as silent as the factory-issue unit. It's definitely rumbly, especially around town at 30mph, but on the highway it simply blends into the road and wind-noise, so I don't think I'll have any resonance headaches. I'd like to thank T-Byrne Motorsports for ordering up the Random Technology catalytic converter for me, and Muffler House of Delray Fl. [800-276-6399] for having the Flowmaster muffler in stock when everybody else was quoting me a 3-week wait. Both the converter and the muffler are perfect replacements for the stock pieces, so I didn't have to resort to adapters or expand any pipes to get everything to fit; they make for a perfect bolt-on emissions-legal high flow exhaust system for the relatively low-rpms that this engine sees.

The body is solid, but required some touch-ups of rust spots and the repair of a dent in the right-rear corner above the taillight. The white paint makes it easy to blend in the repairs and to touch up the scrapes that happen on the trails through the forests. The typical frame rust has been repaired by Auto Rust Technicians in Cranston, RI, who are in the process of developing a frame rust-repair kit for the full-size Jeeps, and I replaced the gas-tank skidplate with a rust-free one shipped to my by J&W Jeep in California. I've upgraded from a set of Gabriel Pro-Ryder LT shocks, to a set of Rancho RS9000 5-way adjustable shocks, set on "1" up front and "2" in back for street driving. I replaced the no-name M+S P235/75-15 whitewall tires with a set of Pirelli Scorpion A/T tires. While 31"x10.5" tires would fit (with some possible interference, depending on articulation and how the tolerances stack up), I went with 30"x9.5"-size tires which don't interfere with anything under any conditions.


 

Link to our truck on the IFSJA web-site,
where we have old pictures of our GW.

    Specifications:

  • Engine- AMC 360 2-bbl (177hp), rebuilt to stock specifications except for Edelbrock Performer-Plus Camshaft
  • Transmission- TF727 3-spd automatic
  • Transfer Case- NP229 full-time w/part-time low range
  • Exhaust- 2½" Random Technology #902501 high-flow catalytic converter and Flowmaster #52571 Big-Block II muffler
  • Wheels- 30"x9.5" Pirelli Scorpion A/T tires on factory 14-spoke aluminum 15"x7" rims
  • Cobra 23+ CB Radio w/K30 magnetic-mount antenna

  • Wagoneer Spotter's Guide

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