Just BLEW through my Southbend Clutch - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 03-07-2011, 02:16 PM Thread Starter
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Just BLEW through my Southbend Clutch

I have mods in my sig, and recently just put on my buddies Edge Evolution programmer on the 60hp tow setting. estimating 250 WHP.

Clutch was broken in properly at stock power levels, and smooth easy driving for over 1,000 miles.

I have 13,000 miles of normal driving on the clutch, no programmer.

I have towed a few trailers on occasion. none over 6000 lbs.

I drive good, (1,100 rpm from red lights, nice and easy)

I NEVER do clutch dumps even offroad.

The clutch will hold just fine if I roll into the throttle in gear.

I was runnin top of 3rd gear today, went to bang 4th, and let 'er eat...... rpm stayed at 3000 and just slipped the clutch nasty. I wanted to make sure i didnt accidentally have my foot on the pedal or somthing, so i drove the truck normally and slowly for 20 minutes, let it cool for 45, then tried it again. Same result.


So, why is a clutch rated for 350 HP, 750 Ft/lbs slipping in a truck thats not even making 600 ft lbs???

97 Single Cab F250 4x4 5 speed

Swapped D-60
Locked front and rear
160 sticks
Wildman Tunes
Hood Stack
OFE clutch
T500 HPOP
Linex rockers
35" MTR Kevlars
and a bunch more...
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post #2 of 6 Old 03-07-2011, 04:24 PM
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Any oil or fuel leaks?

1997 Ford F-350 4x4 SRW regular cab manual trans.
-Rosewood 160cc, 17*HPOP, EPBV delete, 4.10s, 315/75r16

1996 Ford F-350 4x4 SRW CCLB manual trans. CALI spec
-ATS intercooler, WW2 w/ 1.0 housing/EPBV delete, Comp 910s, SD Efuel, 3.55s, 315/75r16

2002 Ranger FX4 with manual transfer case and Alcoa's
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post #3 of 6 Old 03-07-2011, 04:49 PM Thread Starter
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No, I had a fuel leak before from the bowl that glazed my old stock clutch, but fixed that and have been monitering it.

Oil level doesnt drop. it is a little grimy around the pedistal, and the EBPV rod.

The clutch grabs hard on stock power levels. programmed, it slips.

97 Single Cab F250 4x4 5 speed

Swapped D-60
Locked front and rear
160 sticks
Wildman Tunes
Hood Stack
OFE clutch
T500 HPOP
Linex rockers
35" MTR Kevlars
and a bunch more...
Nitro41 is offline  
post #4 of 6 Old 03-07-2011, 05:02 PM
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Broken spring on pressure plate?

Elmo/Shane

96 F350 4x4
Everything.
And its expensive.

476,000 Miles

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post #5 of 6 Old 03-09-2011, 08:18 PM
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Who ordered and installed the clutch? Hopefully you're not having the same problem I did with my south bend con ofe. The problem with mine is that it wasn't a con ofe or even a south bend. A local backyard ran shop who was a dealer ordered and installed it. I never got what I payed for. I found out 2yrs/18k miles later but it started slipping at 12k and I was never rough on it.


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post #6 of 6 Old 03-09-2011, 08:57 PM Thread Starter
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I ordered it from First Coast Diesel. I recofirmed its the 350hp clutch several times with them. It showed up in really nice looking southbend boxes.

97 Single Cab F250 4x4 5 speed

Swapped D-60
Locked front and rear
160 sticks
Wildman Tunes
Hood Stack
OFE clutch
T500 HPOP
Linex rockers
35" MTR Kevlars
and a bunch more...
Nitro41 is offline  
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