I have always used all 5 powerpacks on my Allison builds, but I am starting to think the C-5 clutch kit is a rip off. I know the Red Eagle material is supposed to hold slightly better, but with the same number of clutches as stock, I wondered if it was worth it.......especially since I recently compared the friction width of stock clutches at .752" and the Altos at .740". That is less surface area than stock!
Anyone have thoughts on this.
I notice some builders only use C1-C4 clutches in their builds.

I have always used all 5 powerpacks on my Allison builds, but I am starting to think the C-5 clutch kit is a rip off. I know the Red Eagle material is supposed to hold slightly better, but with the same number of clutches as stock, I wondered if it was worth it.......especially since I recently compared the friction width of stock clutches at .752" and the Altos at .740". That is less surface area than stock!
Anyone have thoughts on this.
I notice some builders only use C1-C4 clutches in their builds.
i am stil runing my stock c-5's and they still look new for whatever thats worth . lots of racing , and heavy towing with big power .

You will have no issues using the stock C-5 clutches

C5 is only used in first and reverse correct?

Not worth the money. They never go bad.

C5 is only used in first and reverse correct?


correct

Not worth the money. They never go bad.

I actually have one right now that has all the c5s blackened up pretty good, but hasnt removed lining yet.

I actually have one right now that has all the c5s blackened up pretty good, but hasnt removed lining yet.

In that case you either ran it out of fluid or you had a pressure problem and continued to hammer reverse. C5 clutches have an easy job and that is to hold the ring gear while the planet revolves. Pretty easy job for a huge set of clutches.

In that case you either ran it out of fluid or you had a pressure problem and continued to hammer reverse. C5 clutches have an easy job and that is to hold the ring gear while the planet revolves. Pretty easy job for a huge set of clutches.

Its not my truck. It is one of my customer trucks with a PPE programmer and a few other things, and I have no idea what it has been through. I was a bit suprised to see them burnt.