Originally Posted by cajunfj40
Hello Shaneajanderson,
A '94-'96 Extended Cab F150 was on my list of possibles when I was looking and got the Explorer I have now. Lots of them around, cheap parts, good crash safety. Unfortunately everything in the "inexpensive" price range was very rusty here, with lots of brake problems (rust) and fuel tank issues (rust again). Broncos were worse and all had automatics from those years. At least the F150's rust spots are easier to get to than on the Bronco.
You have an M5OD-R2 trans, not a ZF, unless you swapped it in or have crawled under and verified that it was swapped in. A ZF can be swapped in and give you a lower first gear, allowing you to run steeper axle gears and still get a loaded rig moving. Heavier transmission, though. IIRC you have identical gearing to my Explorer (or will after you swap tires), as I have the related M5OD-R1HD, 3.55 gears, and stock 235/75R15 tires. I'm at 15-17mpg with a sick 4.0 OHV V6, running mostly short trips in winter.
You say you have 4" more ground clearance over stock so that'd be a 3" lift kit. Any steering/handling issues? Lifting a TTB isn't easy to do right - getting the caster and camber right is a chore. Deleting the lift and going to stock height allows stock alignment specs, which is much easier to find a shop to do. Should see some benefits in steering, too, as the geometry isn't happy when modified from stock unless changes are made. Lowering is no easier than lifting in terms of keeping the angles right and the steering happy. NOTE: finding a shop that knows TTB for alignments apparently isn't easy, either. A leveling kit for the rear with air shocks to keep it from squatting when you load it up will keep it more level for aero work if you are so inclined.
When deleting the lift, you'll have the entire suspension apart. I mean, you can probably leave the driveshaft/brake lines/shocks connected but you'd have to support the TTB, the radius arms, etc. and work around them, so easier to pull them all. Perfect time to replace all manner of seals, bushings, do bearing checks/replacements, possibly regear, add manual hubs, etc. If you want to regear, you may be time and $$ ahead to go pick up a junkyard front and rear axle/suspension set and rebuild them/get them regeared while they are off the truck. Then you get to bolt in all refreshed parts after getting all the old rusty stuff off. Hmm, looks like as steep as 3.08 was available from the factory in at least the rear 8.8", so if you want to go steep, you may score a junkyard find and only have to buy gears for the TTB.
If you don't want to spend money on regearing, and need new tires anyway, you have a pickup that hauls things - look for LT235/85R16 or similar - generally all Load Range E truck tires. Taller than your 31" tires (nearly 32"), widely available inexpensively as they are stock on many work trucks/vans before 17"+ rims became the norm. You'll need to find 16" rims with the right bolt pattern, shouldn't be too much of a pain to do. They'll likely fit fine even after you delete the lift, given how big the wheelwells are on the truck. If you want stock height, there's also an LT215/85R16, also generally all Load Range E truck tires. Skinnier than stock and it's only a hair taller than a stock 235/75R15. They look very inexpensive, too.
Since you have a '94, it is unlikely to be OBD-II. I think some California models got it that early, but I don't recall. '96 was full OBD-II, if you want to swap over all the injector wiring, computer, etc. to allow simple OBD-II port plugin tools to work. Otherwise you will need something like an MPGuino to read MPG. I think '96 also went from batch-fire to sequential-fire, too. I think the change to OBD-II also brought along Ford's EEC-V computer. The earlier EEC-IV system has a whole lot of aftermarket tuner support, including "switch tunes" which allow you to have driver-selectable tunes from a dash-mounted switch. Like an ECO mode, a Power mode, a Tow mode, an E85 mode, etc. Quarter-Horse is a search term that gives lots of results, though most people are searching for max horsepower.
Other than that, everyone else is giving good aero advice, and are far more up to speed on ecomods than I am. I just read alot.
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