Bludozer
SILVER Star
Once I get my 5.29s set up my speedo is going to be way off, I see both Marks 4wd and Yellow box make units that correct, any real difference between the two? Any other solutions I'm missing?
Speedo Correction - What do you use?
- Thread starter Bludozer
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I ordered the scanguage II. Saw a lot of reviews on YouTube. It runs codes, speed, temp, mpg, and other features.
True
I did know about these products until your post. Went looking around, and not sure if you saw this : Speedo correction - Marks vs Truspeed vs YellowBox
Eyedaho
SILVER Star
I use a Yellowbox in my 100 series, and I'm very happy with it. It seems that they've updated their design from previous versions, and it was super easy to install and has been great to use. It was plug and play inline with the factory speed sensor harness, with a perfect length cable to run up to the DS kick panel. Obviously might be slightly different for the 80, but I would guess the execution would be similar. It took me a couple of tries to get the speed perfect, which was really easy to adjust, and I haven't thought about it in the couple of months since install. It just works. It sounded way more complicated reading older postings about the unit, but the new one has a couple of buttons. Quick push on one is +1%, quick push on the other is -1%. Hold down to count up/down by 10%. Or something like that. Really easy.
LC4LIFE
Supporting Vendor
I did the YellowBox install basically like this - Yellow Box V5 Plug and Play Install With Pics
I am very happy with it.
I am very happy with it.
thatcabledude
GOLD Star
I have had the Mark's box installed under my dash for along time. I actually forgot about it. Works good. Set and forget.
TurboDennis
SILVER Star
I recently discovered that there are a variety of combinations of different "gears" for the speed sensor in the transfer case available from Toyota. You can change those gears to correct the speedo for a 100% OEM solution.
Pierce
SILVER Star
I used the yellowbox plug and play. Unbolted the emergency brake, ran the wires through the gap, bolted it back down. I shoved the box and extra wire in a bag and shoved the bag under my center console. It was super easy to install and program.
george.arnold
SILVER Star
Can you provide some more info on this? I’d like a factory solution like you’re talking about. Part numbers??
I looked into those OEM speedo adjust gears several years ago. Looked to be discontinued.
LC4LIFE
Supporting Vendor
They also don’t typically correct enough. I believe you could only get about a 6% correction replacing the speedo gear.
JaketheSSnake
SILVER Star
Dakota digital sgi-5e I think it is. Cheaper than the others and there's a pretty decent write up on here. Easy Install and it works great.
I have The Marks. Mine is the old style and I have a new version for my wife's truck. Awesome units, infinitely adjustable in 1% increments.
They plug in-line and are easy to adjust/tune. I have found in the case of my truck that my indicated speed and odometer have about a 2% difference between the two. With the Marks I can dial in on either the odometer or the indicated speed.
They plug in-line and are easy to adjust/tune. I have found in the case of my truck that my indicated speed and odometer have about a 2% difference between the two. With the Marks I can dial in on either the odometer or the indicated speed.
TurboDennis
SILVER Star
More info in this thread:
Speedo drive gear options?
I'm nearly finished changing my diff ratio to 3.7 and just wondering if anyone knows the part number for the speedo gears to suit 3.7? I currently have the 32:12 speedo gears which suit the 4.1 diff ratio but I know the 80 series also came out as 3.7 diff ratio in certain countries/models so I'm...
forum.ih8mud.com
Many of the gears seem to be NLA, but some are still available overseas.
You can get up to about 20% correction with various OEM transfer/speedo gear sets. Which is WAY more than anyone would need. If you're off by more than 10% you really need to re-gear..
This unit looks like the one to go with.
I’m considering buying and using one of these....
Shipping will probably hurt those in the US, but I don’t see why the other kits listed as so fricken expensive. Changing a square wave Hall effect signal can be done with a few cents worth of components. In fact I was considering building something on an adrino board for less than $10... but the $45 jaycar option is less stuffing around.
Shipping will probably hurt those in the US, but I don’t see why the other kits listed as so fricken expensive. Changing a square wave Hall effect signal can be done with a few cents worth of components. In fact I was considering building something on an adrino board for less than $10... but the $45 jaycar option is less stuffing around.
