Truckers, lets see your rigs!

I doubt it would have even spooled with a 1.58, isn't that opened up more than a 1.32? I should have put a drive pressure gauge on but didn't have time before having to head out.
 
Doesn't South Bend do semi clutches? I thought I saw a tab on their site last time I was there but didn't look at it. If they're as good as they're pickup applications you'd be golden.
 
rockytopcummins said:
Doesn't South Bend do semi clutches? I thought I saw a tab on their site last time I was there but didn't look at it. If they're as good as they're pickup applications you'd be golden.
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A semi clutch operates different than a pick up clutch. A semi clutch pulls the pressure plate apart to disengage the clutch. A pick up clutch pushes on the fingers to pull the clutch apart.

I messaged Valair one time inquiring about clutches for a class 8 truck. IIRC, he told me they use Spicer parts to build their class 8 clutches.

In my opinion, Spicer has been around a long time building clutches for heavy duty trucks. I'm guessing that South Bend and Valair have only been around as long as Diesel engines have been in pickups. So say 30 years.

I would like to know if it was possible to get a 2nd intermediate plate and a 3rd friction plate. That coupled with a 2,250 ft-lb pressure plate would be enough for what I want to accomplish.


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BlackStroker said:
Why do you say that? Just curious because I had a s400 with a 84mm billet wheel and 88/96 turbine 1.32 exh housing. Last 400 miles and blew up. Showed signs of surge. I run 3.36 gears and go down the road appx. 1350-1450 rpm. Put a box stock 475 back on in place and has held together for about 20k miles.
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What engine?
 
rockytopcummins said:
Doesn't South Bend do semi clutches? I thought I saw a tab on their site last time I was there but didn't look at it. If they're as good as they're pickup applications you'd be golden.
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They're are just eaton I already talked to Peter about 2yrs ago about it. There is a company using Lipe friction disks with an eaton pressure plate but it's still only good to like 2500#. IMO the only way to do it is by adding a 3rd disk.
 
RockinRam96 said:
I would like to know if it was possible to get a 2nd intermediate plate and a 3rd friction plate. That coupled with a 2,250 ft-lb pressure plate would be enough for what I want to accomplish.
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I'm working on it, just haven't had much time to get the measurements. Eaton floaters are cast and damn near 1" thick, thinking with steel floaters I can get enough room for 2 and a 3rd disk. I've got a crower, eaton, and 6000# Lipe laying here I can rob parts from each to see what it's going to take.
 
Does anybody run one of those crowers on the street?

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The thing that makes me think is that a thinner floater even made from better steel will not like any heat and may warp. I would think the centers of the disc that ride on the input shaft would have to be shortened as well.
 
chevota84 said:
Does anybody run one of those crowers on the street?

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Guy in our club has a Crower in his truck and he drives it to the pulls. Truck doesn't work though.


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SmokinCAT said:
The thing that makes me think is that a thinner floater even made from better steel will not like any heat and may warp. I would think the centers of the disc that ride on the input shaft would have to be shortened as well.
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Well all the floaters in the crower's are steel. Same with south bend pickup clutches. The centers are something I've thought of. The centers in the south bend I had in my old pickup truck were made to fit inside each other. Might have some made, think a friend of mine can broach the splines.
 
I've driven without a clutch brake quite a bit lol

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chevota84 said:
I've driven without a clutch brake quite a bit lol

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I have too, had one I thought needed adjusted. Took the cover off the bell housing and the brake hit me in the face. Lol. Not something I want to do everyday though.
 
John, what is the thickness of disc with new pad material, I would think it would have to be around 3/8".
 
I asked Dan from valair if they have tried different friction materials on the class 8 clutches, still haven't heard back from him.

Have also heard things about switching back to a 4 puck disc rather than the 6 puck that comes in the 2050, supposedly it allows more force to be applied to each puck.
 
I asked Dan from valair if they have tried different friction materials on the class 8 clutches, still haven't heard back from him.

Have also heard things about switching back to a 4 puck disc rather than the 6 puck that comes in the 2050, supposedly it allows more force to be applied to each puck.
 
Leiffi said:
This is what I have copied from another board. I'd recommend ECM software from Quebec, and maybe some better turbo :

the cam i have had the best luck with is a R23525526 it is a 700 HP 12.7 cam..stock cam timing, 81mm injector height,.010 intake,.028 exhaust

u said u have a DDEC 3 engine with R5234795 injectors, i have had good luck with these in DDEC 2 engines..DDEC 3 &4 i would use R5235915 if u wanted a little more R5237014

Erich at SERIOUS SERIES 60 570-412-0754

I am running borgwarner 171702 myself and 5234795 injectors with Leon's 485+15% Ecm Program truck runs strong next will be a cam when I figgure which one.
The 23524912 cam has a injector height of .81mm and cam timing range of 5.03-6.10mm .0198-.0249 inches .The 23528308/309 cam looks like it would be a hotter cam to use as it has 82.1mm inj height and a timing range of 6.527-7.594mm 0.257-0.299 inch cam timing To me this looks like a real hot cam But I don't know I am just looking at the different specs on a chart I have. AMarine 12.7 cam 23525525/526 has a injector height of 81.0mm and a timing range of 6.17-6.78mm and .243-.267 inch to me the 23528308/309 cam would be a hotter cam to run

I am running the 485+15% ecm, and 825hp MTU injectors and a Michigan Stage 5 turbo. I am going to get 15:1 pistons, and we are thinking of machining them to 14.5:1. I am also thinking of running the MTU 825 cam. If I go that route, I'm going to try and get the 600 program at 15% over

825 hp cam and injectors : Camshaft is 23529008.
Injectors R5237473
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Can anybody verify for me that these cam and injector numbers are the correct ones for a DDEC4?
 
Made a video of my truck for those who were interested, uploading it right now
 
lorendiesel5.9 said:
Can anybody verify for me that these cam and injector numbers are the correct ones for a DDEC4?
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Can't confirm on the numbers, but that Serious Series 60 guy is apparently 10 minutes down the road from me up here, I never even heard of him!
 
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