The 4L80E uses a 17 bolt pan, while the 4L60E uses a 16 bolt pan. Chicago Most people will go with the 700r4 because it needs no computer to run electronics. I am tuning it right away to fix up the sloppy shifts they all have. Monster Transmission General Motors Powerglide Low 1. If you go with a quality torque converter, your requirement for rear gearing to aid acceleration will be decreased. In my experience, there is substantial acceleration gains to be had when making teh ratio spreads closer than stock in teh 60e. You might want to stay a bit more conservative on teh rear gear with a performance torque converter just so you will be able to retain traction.
The Sonnax billet version is much beefier than stock. If you are thinking of putting a 4L80E in a Sierra for instance, you know that you can do that because it was a factory option. Yet, how the engine puts the power to the ground is just as important as the engine itself. The compound output gearset uses three sets of pinion gear pairs, with one set of pinions meshing with the sun gear and the other set with the ring gear. It is my opinion that there is almost no situation where a built 4L60E is not going to be the better performance choice. I had a 12:1 1st gear final drive ratio and 1st gear was short. It does not have a direct 1:1 ratio like the 4L80E and 4L60E, which is worth noting.
I could learn to live with the slightly smaller box With regards to the 2nd to 3rd gear slip or rough shift, it's not all that uncommon. The tires make absolutely zero difference in the shifting, does it with 245's on it as well. Then I noticed a few 6 speed guys complaining about it on here with stock trucks and no solutions. Electronic safeguards prevent over-revving should the wrong gear position be accidentally selected. My 09's 6L90E does it and the dealers have no solution for it. I used a tire size calculator in my Tunercats 2 tuning software to estimate your tire height using teh tire sizes.
The 4l80 is basically a t400 with an overdrive so it is the strongest of your options listed. The output shaft is another critical upgrade to the Black Edition. Because of the transmissions very short 1st gear of 4. Im assuming that when I have the out put shaft swapped that this can be upgraded as well? The super low 1st gear will give you all you need in 4 low. There are many differences and a few similarities between the and the transmissions. In fact, it has the same gear ratios as the , minus the overdrive.
If you go to a lower gear, like 3. I think any of your options will work just fine and hold up in your set-up. Mace - I'll try to find a link to the info. In all honesty if your lazy low rpm launches are your main issue, a quality performance torque converter will allow you to accelerate in a much more agressive manner that even going from 3. You will have to have it programmed by a tuner for the 5.
The new, modular architecture was critical in ensuring the exceptional performance and manufacturing targets we set — it provides outstanding development and manufacturing flexibility. When it shifts from 1st to 2nd its got a really smooth shift and it puts a smile on your face. Truck only has 2,500 miles on it. If you are installing your transmission that was purchased from Monster Transmission, our sales and support staff is here. Sometimes after taking off, shifting between 2nd and 3rd gear is so hard it feel like you've got wiplash.
Offroad you will be fine with the stock 241J transfer case and whatever gear you choose. The Sonnax Smart Tech Drum assembly is complemented by a billet input shaft and carbon frictions. It was just so smooth and put a lot of power to the ground. Transmission tuning is key here guys. Our electronics and adapters will support a 6L80e or 6L90e but with a 6L90e you may need to modify the trans bracket to accommodate the extra length and verify what output shaft spline count you have. It goes over everything that you would need in order to pull off the swap.
Highway driving is what you need to be thinking about. Before you pick a gear, be sure to find out teh exact diameter of the tires you are or will be running. However, it is good insurance should you lose Third or need to pass someone on the highway. That being said I am crossing my fingers that my 2010 I have ordered of my own doesn't do it. The stock calibration would kick out of 6th way to easy. Then the other feature I really liked was the Manual mode where I could choose my own gears.
Your Mileage May Vary — Literally. If you have any questions that I may be able to help you with, drop a comment or contact me. The heating process helps the paint adhere for a more durable finish. No adding a toggle switch or modifying your shifter. That does not mean that you have to install the exact same transmission that a car originally came with. United States Army Drill Sergeant J.