Dan Basham's Supercharged 4Runner
http:/www.4x4wire.com/toyota/projects/basham_4runner/ Short Cuts

| Toyota Section | Toyota Tech | Project Vehicles |

By: Tim Stucky - 11/2001


Dan Basham's supercharged 4runner.

Dan Basham of Yucaipa, California grew up driving and working on muscle cars as well as street rods. Naturally, he was used to big motors, loud exhaust, lots of horsepower, and a vehicle with enough juice to put the power down. As time passed, he discovered 4wheeling and decided to get a little more serious about the sport. After looking around for a capable vehicle, he decided on his 1986 4Runner. It had the common 22RE, and an automatic tranny, but was too slow to get out of its own way! Dan changed the axle gears out for lower ones, added a header and a cam but the poor 22RE just couldn't do it so Dan decided to do an engine swap to gain some real power.


The wrecked '99 Tacoma. Ultimate Marlin Crawler transfer case.

After nearly a year of researching his options and looking for just the right engine, it just so happened that his co-worker's '99 Tacoma was stolen and rolled. It was equipped with the 3.4l V6 and a 5 speed tranny. After making arrangements to buy it back, he was ready to start the swap! First, he started by removing anything useful from the Tacoma and then hauled the rest of the junk away. Following a visit from Mr. Marlin Crawler himself, he was set up with an adapter to mate the Tacoma transmission to the 22RE transfer case and an Ultimate Marlin Crawler dual transfer case setup!



3.0 oil pan, 3.0 pickup, 3.4 pickup. The 3400 awaiting installation.

With only 12 thousand miles on the new (to Dan) engine, only a few modifications were necessary before it was ready to drop in. The oil pan was not going to work since the '86 has the front differential on the right side and the Tacoma has it on the left side. The pans are shaped to fit around the differential assembly so a Toyota 3.0l oil pan and pickup were bolted in place of the stock pan and pickup. A small cut out in the windage tray was necessary for the pickup to bolt on, but other than that, it went off without a hitch. The dipstick also had to be relocated because of the pan change. A dipstick from a T-100 truck with the 3.4l bolted right in. The stock exhaust manifolds were retained, but the stock crossover was removed with plans to have an exhaust shop make a better one. With that, the v6 was ready to be dropped in.


Out comes the 22re! Cutting off the motor mounts. The engine compartment gets a makeover. The v6 motor mounts.

Removing the 22re and stock transmission didn't take long. Upon removal, the engine mounts were cut off and relocated. This was the most time consuming part of the project. After moving the mounts back, Dan noticed how far the intake manifold stuck out of the engine compartment because of the height of the motor mounts. So after cutting and resizing the mounts, the engine sat as low as possible in the bay but there was still not enough room to shut the hood. Dan later cut a hole in the hood and then added a cowl to cover it up. Then the engine compartment was striped, cleaned, and painted. The front suspension also received a new set of torsion bars to handle the extra weight of the v6.

After installing the engine and transmission, the only remaining things to were were nickle and dime items and within a few days those were taken care of. Dan kept all the accessories on the engine, so he had a couple power steering lines made up and installed an electric fan in place of the stock unit. A new fuel filter also had to be added because the Toyota "R" series motors have a filter on the engine block, and all the v-6's have one on the frame. Dan mounted his on the top of the right fenderwell for accessibility. He swapped the battery to the drivers side in order to use the 3.4's battery loom. The computer was the same size as the 22R's so it was bolted in the same spot. This made wiring the engine a breeze. After fabricating a bracket to hold the fuel canister, it was time to go to the exhaust shop. The work was done at Scotties Muffler in San Bernardino and was similar to the stock system except is was crossed over and down on the left side, connecting to the Flowmaster muffler.


Temporary hole in the hood. Finally in the 4runner.

The time had finally come to turn the key for the first time and following a couple cranks, the engine roared to life! Dan then made an appoint with the California B.A.R. to get it licensed and smogable and got the label with no problems. As if the stock 190 horses weren't enough, Dan later added a TRD Supercharger! He is happy to report that the power output is excellent, the motor consistently gets 18 mpg, but has gotten as high as 23 on a recent trip to Utah, and the truck is an absolute ball to drive! Since dropping in the 3400, Dan also has added a solid front axle for better articulation and flex. Be sure to look for Dan and his supercharged 4Runner on the trails in and around California. If you see him on the highway, chances are he'll be roaring past you with ease, thanks to the v6 and supercharger!


Testing the new setup in Johnson Valley.



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