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The SG 1603, SG 1604 and UDIRC 1601 are small 1/16 scale 4wd on road cars designed for skids on any smoothish surface. They are extremely durable and the edgy body shells (SG 1603 Hoonitruck/Infraction and SG 1604 Moke) being the only thing that separates these two. Here I've reviewed the SG 1604 Moke and have written a setup guide on how to greatly improve performance by fixing the errors out of the factory  Before I start this review I'll note that this car from "SG" is supposedly the same company that made the SG 1601 and SG 1602 4wd 1/16 brushless truck which won my budget RC basher of the year award for 2020 here. In addition my review and follow up can be found here and here. Thus is was with great expectation that I have reviewed this car.
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The WL Toys 124019 is a 1/12 scale RC Car released late 2020 by WL toys and is largely identical to the hugely popular WL Toys 144001. Although the 124019 did however have some notable improvements as covered in my review, a bit of simple setup and tuning can improve this much more. In this guide I will cover how to best setup and tune your 124019 to get the best out of it without spending anything on upgrades other than consumable items like grease.  I've already written over a dozen guides on improving the 144001 here which are applicable to this car as well but I wanted to use this guide to be very specific on the exact improvements I made since the manufacturer has fixed some of the issues mentioned in my 144001 guides here and here.
This is the second part of my free and budget upgrade walkthrough for the WL Toys 144001. The first part can be found here. These are also completely relevant for the 124019 and 124018 as well  The first series of upgrades I made to the WL toys 144001 was to improve longevity and handling by getting the shock absorber fluid level right, the diffs lubed properly and camber and toe in set correctly. This articles expands on that by further improving the handling through minor tweaks the are either free or cost very little. It is really important you get the handling right to make the car more predictable, especially if you plan on power upgrades further down the line. The upgrades I'll detail in this article are:
1. Decreasing the rear toe in The WL toys 144001 comes set with a LOT of rear toe in (which is the amount the rear wheels point in towards the car when looking from above). Rear toe in does help with cornering stability by decreasing useful steering when powering on in the corner but comes at the cost of straight line speed, especially in high grip situations. In simple terms rear toe in does help make the car feel more stable through corners however I feel the 144001 has much too much and this is easily remedied for free as below:
Note, this is not a review. You've probably seen a ton of those already. This is about how to set your car up once you've already bought one. 
Firstly, "must do" is a bit strong and a bit of a pisstake of the clickbait Youtube videos out there. With that said I do strongly recommend them if you can to get the best performance out of you car and extend it's life. I've arrived at these recommendations by comparing the 144001 directly to the car it was copied off - the excellent LC Racing EMB-1h plus basic fundamentals of rc car operation of which I've been around for years.
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