4. Clutch pack C2 uses one additional clutch to provide better grip. The clutch drum housing is machined to accept the added material without compromising strength or misaligning fitment. | 
5. All the transmission's clutch packs are soaked in tranny fluid before assembly to prevent the material from getting hot under initial startup and doing damage to the tranny. | 
6. ATS uses a system of checks to ensure the tranny assembly is held to a tight tolerance. |
7. The added material in the clutches makes the clutch pack thicker. ATS makes provisions for the added material to provide more bite per clutch pack. | 
8. The housing cover is machined to accept the added material. | 
9. ATS modifies the pressure regulator valve to allow bleed-off of the Allison's pressure reduction function. ATS uses the added pressure to supply the Copilot hydraulic functionality. |
10. Here, you can see the notch in the ATS pressure valve where the hydraulic pressure is bled off to supply the Copilot pressure at will. | 
11. A heavier spring is used in the stator to help control the bleed-off function. | |
13. ATS' clutch plates remove the provisional holes for fluid flow, providing superior bite. The transmission fluid circulation is altered by the ATS clutch plate's circulation provisions. | 
14. The same design is used on the clutch plates. | 
15. Here, you can see one of the channels provided by the ATS design to change the fluid circulation path. This is only one of the reasons why a tranny shop should put the tranny together. One misaligned clutch or plate, and it's bye-bye new tranny. |
16. Assurance that the clutches and plates are all aligned is a good sign the assembly is going great. Attention to detail is a good thing. If your local shop is a "Wham-Bam, Give Me the Dough" kind of shop, you might think twice about having them modify the tranny. | 
17. Alignment tools are used to ensure all the components slip together as intended. Binding of any component could cost you another rebuild. | 
18. Every fastener is torqued to spec, when you buy a tranny straight from ATS. We'd say purchasing a complete tranny is the best way for sure, if your pocketbook can afford it. |
19. A little bolt sealing is critical to keeping the bottom of the tranny drip-free. | 
20. Here's the Five Star viscous clutch drive. | 
21. You can see the burn marks from the slippage in the stock converter on the right. The ATS square tab and two-piece construction provides an increasable holding power over the stock unit. |
22. Made of billet steel, the locking converter plate dissipates heat and is incredibly durable. | | |