When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
True... I know there's ways around, it just involves a lot of electronics. You basically need to keep the old PCM and make it think it's running a clean motor. Back in my car days, there was a kid on one forum who did it with his IS300. The aftermarket computer ran the car, but a series of diodes and whatever other chips were used to make the old PCM think it was in charge - and the inspection station listened.
Lots of work is what I was told.
I came to that conclusion as well just have no idea how to make it think the 5.4l is still in the engine bay lol.
Running the 12v isn't and issue becaue there are no electronics so that's easy its just getting the PCM to think the 5.4 is there that's going to be a PITA.
The truck looks fantastic! I am kinda on the fence about the flares, I like the little bit of tire and clean look of the first picture, but that is just my opinion.
That does look awesome. Amazing how a lift changes the look that much
Originally Posted by wizkid00104
The truck looks fantastic! I am kinda on the fence about the flares, I like the little bit of tire and clean look of the first picture, but that is just my opinion.
How does the lift kit ride?
Thanks guys, I'm happy with it too.
The tires are pretty obnoxious, something akin to air raid sirens bolted to the wheels, but they do sling mud pretty incredibly. I quite easily got out of a few spots where i was almost positive i'd be stuck.
I'm still on the fence about them too to be perfectly honest, they definitely need to be painted - but the whole truck is gonna be soon, so that will be taken care of. They were mainly to make it legal because in MA the tires can't stick out more than a certain amount from the body - they're flush with the outside of the flares now. I also have some pretty typical New England wheel arch rust in the back, they did a nice job covering that until I can cut it out and coat the bare edges. I HATE the kind with the phony bologna rivets, these Bushwhacker extend-a-flares worked out perfectly.
The lift is Rough Country, and I heard going into it that they ride rough, but it's actually pretty awesome. It certainly feels bumps, but overall it's pretty smooth. If I had my choice, I'd of course have the $4000 Skyjacker kit, but hey I'm on a budget here (I'm already sleeping in the dog house for a few more weeks lol).
What part of MA are you from Wickid? I'm from Tewksbury.
I got the flares to be legal as well as to protect my paint and seriously they really help, now that winter has come and gone i can see a bunch of scratched from all the rock salt that my truck threw on itself.
Isn't there a lift height of 4" here though? either way nobody ever gets pulled over i've seen some 12" lifts here.
What part of MA are you from Wickid? I'm from Tewksbury.
I got the flares to be legal as well as to protect my paint and seriously they really help, now that winter has come and gone i can see a bunch of scratched from all the rock salt that my truck threw on itself.
Isn't there a lift height of 4" here though? either way nobody ever gets pulled over i've seen some 12" lifts here.
I live in Boxborough. The cops here don't have much to do.
I checked the laws and the limit is 2" of suspension lift over stock, with no limit on tires. Although there's some gray area, because the Super Duty has 350,450, 550 versions that are much higher. Hopefully it isn't an issue, but if it is my defense will be the difference in height from the highest factory Super Duty.
The gears need to be changed badly though, my mileage went to **** (11-12) with the 37's. I noticed a slight decrease after going from factory 31's to 33's. I did the math and a 4.89 would bring me back to how it was with the stock wheels, so 4.88's it is... Doing more math I could calculate how many miles it would take to have the gears pay for themselves.
Maybe a dumb question, but the front is a Dana 60, right? Looking online to buy the parts now, don't want to end up with the wrong stuff.. I found one site that has kits, front and back, seals, etc.
Maybe a dumb question, but the front is a Dana 60, right? Looking online to buy the parts now, don't want to end up with the wrong stuff.. I found one site that has kits, front and back, seals, etc.
That's roughly what i get on 3.73's with a 3" lift and 35's. What was the mileage before?
2" damn, well i passed inspection so i wont worry about it lol.
I have the 4.10 towing option, so with 31's I got up to 21 or 22 if I seriously babied it on the highway. I would average around 17.
With the 33's it went down to about 14-15 average
With the 37's I'm down to 10-11 average.
Of course this is all going off of the witchcraft mysticism display on the overhead console, but I have tested it in the past and it does seem to be fairly accurate.
I have the 4.10 towing option, so with 31's I got up to 21 or 22 if I seriously babied it on the highway. I would average around 17.
With the 33's it went down to about 14-15 average
With the 37's I'm down to 10-11 average.
Of course this is all going off of the witchcraft mysticism display on the overhead console, but I have tested it in the past and it does seem to be fairly accurate.
If you haven't tuned the truck to reflect the bigger tires it will actually be slightly better. Maybe the 14-16mpg
Lets say I drive 25,000 miles a year (that's been my average for like 10 years), then that's 13 cents a mile I'm losing, for 25,000 miles. In a year, I'll have wasted $3,250.00 in fuel alone, not to mention strain on the turbo, transmission, t-case, diffs, etc...
So, $800 for gears and install kits, call it another $500 for install... $1300 for easy math. That's 10,000 miles. My fuel savings this summer alone will justify those gears.
I did this same math for a K&N kit on the wifey's car. That thing paid for itself last year.
Not sure if powerstrokes are different but i was looking to regear originally since my 5.4l is a dog with the 35's but since i was going to put a 12v in maybe its because its a straight 6 instead of a v8 but the 3.73's were better than say a 4.10 or something like that. Not sure why but that seems to be the common ruling for cummins engines at least.