Still working on the cooling system we decided to install the Canton 80-236 Coolant Expansion Tank ($149.95) which will fit all 07+ GT500's and 05+ Mustang GT's. This piece is a direct replacement for the stock radiator reservoir located just to the left of the intercooler reservoir in the engine bay. Since we installed the PFAB Intercooler Reservoir the stock plastic radiator reservoir stuck out like a sore thumb. We really needed to compliment that nice aluminum PFAB tank with a similar aluminum tank for the radiator overflow. This is another very easy modification to do and will take no more than 30 minutes with simple hand tools. All of this can be done in your own garage in no time.
http://www.lethalperformance.com/pages-productinfo/product-16533/80-236-canton-07-09-shelby-gt500-coolant-expansion-fill-tank.html
The tools you'll need for installing the Canton 80-236 Expansion Tank are: Pliers, 8mm Socket and Ratchet, 3 ft of hose, funnel, large bowl and a hand towel.
First lets take a look at the stock tank next to the PFAB tank. Just like I mentioned earlier it sticks out like a sore thumb. So lets get started with the install.
Remove the cap off of the stock coolant expansion tank. Using a 3ft section of hose or tubing siphon the coolant out of the tank into a large bowl on the ground. We found that this is the easiest and cleanest way of removing the fluid from both the Intercooler Tank and Radiator Expansion Tank.
With the fluid drained from the tank you can now use a set of pliers to loosen the hose clamp located on the right side of the tank. Once the clamp is loose you can pull the coolant line off of the tank. I found that only a small amount of coolant came out when doing this but I still chose to plug the coolant line with a small rag to keep any extra coolant from spilling.
Now using the 8mm socket and ratchet remove both bolts from the front of the tank which mount the tank to the fan shroud. With the bolts removed you are now able to lift the tank off of the vehicle enough to access the other large coolant line attached to the bottom of the tank.

Using the pliers again loosen the hose clamp that holds the large cooling tube to the tank. Once the clamp is out of the way lift up and twist the stock tank and it should break free of the coolant hose. Once the tank comes off the coolant hose make sure to keep the hose aimed upwards so that the coolant in the hose does not start to pour out. I actually was able to pull that tube slightly to the left and use the smaller hose to keep the large hose upright without me having to hold it anymore.
Now lets compare the stock tank to the Canton 80-236. At first glance the stock tank looks like it is actually a bit larger than the Canton tank but due to it being thick plastic it's size is deceiving. One thing that isn't deceiving though is how much nicer the Canton piece appears. I also wanted to see how much coolant each tank held so I filled them up to their normal operating levels and used a measuring bowl to test how much fluid each held. Both the Canton and Stock piece filled the bowl to just under 2 Quarts of fluid.
Now it's time to install the Canton tank onto the car.
Take the Canton tank and connect the large coolant hose to the bottom large drain on the Canton tank. Use the pliers to loosen the hose clamp and slide it over the coolant tube to clamp it in place. Now you can sit the Canton tank in place on the car. One thing I noticed when doing this is that the tab on the bottom of the Canton tank is not as thick as the stock tab and at first it felt like it didn't sit 100% how I thought it should on it's mounting place. I decided to keep on moving forward with the install and see how it felt after bolting it into place with the other 2 mounting tabs.
Now you can reconnect the smaller coolant hose to the upper right hand outlet on the Canton tank. Same thing goes for this using the pliers to loosen the hose clamp. Slide the clamp over both the hose and Canton coolant outlet letting go to allow the clamp to secure the coolant tube in place.
Now using the 8mm socket and ratchet reinstall the 2 8mm bolts which mount the 2 mounting tabs on the tank to the vehicle. I tightened the bolts just enough to keep the tank secure and then turned the tank until I was happy with it's position and then tightened the bolts down more to secure the tank just where I wanted it. After doing this I wanted to see how well the tank stayed in place and if that lower mounting tab was going to be an issue. The tank stayed in place and felt very secure making me comfortable that the install went very well.
Using a funnel I refilled the Canton tank with the same fluid I removed from the stock tank. After I filled it back up with all the fluid in the bowl I checked the level of the fluid and it was perfect. The fluid was just below the bottom part of where the Canton cap installs.
The last part of the installation is putting the cap on. We chose the standard chrome cap which is an option we offer for $7.95. We also offer a polished Meziere billet cap which is $29.95 but the chrome one was more of what we had in mind.
Note the small nipple on around the cap area. This nipple is not to be plugged up or blocked off as it's part of the venting system of the Canton tank. Plugging that nipple will not allow the tank to function properly when the car is warm.


This concludes just another simple, inexpensive and awesome looking modification to our 08' GT500. If you have any questions regarding this product please feel free to contact your Lethal Performance Sales Associate today!