Single Mass VS. Dual MAss - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 9 (permalink) Old 01-10-2008, 12:12 AM Thread Starter
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Single Mass VS. Dual MAss

Looking at diferent clutches for my 96' and wonder wether or not to change to a single mass flywheel. I hear that the dual can have problems though a friend who has a truck like mine says that i will be sorry because a single will make noise. I have little experience with these and need guidance.

Thad Seybert
2008 F-350 crew cab short bed Lariat 4x4 6.4 with 3.73's Spartan flash update 250 210 175 150, S&B intake, MBRP cool duals, Rockford amps, Infinity speakers, Tuff Tonneau,
1996 F-250 extended cab short bed 4x4 7.3 5-spd with 3.55's , DIY STG 1's, 4" Diamond Eye duals, DIY Intake, dp tuner, Cobalt gauges, Adrenaline pump, SD springs, D66 turbo, 6.0 intercooler, Custom electric regulated fuel system, Truetrac.
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post #2 of 9 (permalink) Old 01-10-2008, 02:00 AM
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I have been running a single mass for about 5 years. I got the CON O from southbend clutch. I would not do differently. It is so much better than the stock unit. Talk to Peter at www.southbendclutch.com and he will point you in the right direction.
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post #3 of 9 (permalink) Old 01-10-2008, 04:50 AM
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I had a LUK single mass clutch in my truck before I went to my south bend double disk clutch. I never had any problem with my LUK clutch untile it started slipping, And it didn't make any noise.

Ross
Show-ME Smokers 2.6 modified street pulling truck "The Lone Stroke" My Videos
1996 f350, powerstroke, 4x4, 5-speed, 4.56 gears, Swamps 450/600 injectors, Swamps BFH turbo, Swamps Idm, Swamps tunes, BTS oil, SBC clutch, studs, springs, tubes, air to water intercooler, fuel system, factory rods!


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post #4 of 9 (permalink) Old 01-10-2008, 12:26 PM Thread Starter
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Reason I ask is cause my clutch is stock (126,000) and starting to get tired.
The truck did a lot of towing and lets just say thay I have service record from Big Sky Mont. And Valdez Alaska . Here I sit in Northeast Oh. :Thumbup: :smoke

Thad Seybert
2008 F-350 crew cab short bed Lariat 4x4 6.4 with 3.73's Spartan flash update 250 210 175 150, S&B intake, MBRP cool duals, Rockford amps, Infinity speakers, Tuff Tonneau,
1996 F-250 extended cab short bed 4x4 7.3 5-spd with 3.55's , DIY STG 1's, 4" Diamond Eye duals, DIY Intake, dp tuner, Cobalt gauges, Adrenaline pump, SD springs, D66 turbo, 6.0 intercooler, Custom electric regulated fuel system, Truetrac.
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post #5 of 9 (permalink) Old 01-10-2008, 01:07 PM
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Go with the single mass and Southbend clutch. Sometimes you will get a little gear noise with a single mass flywheel but it's a much better system than the dual mass.

Tim

'96 f350 cc dually, 5 speed w/ short throw shifter, stage 1 injectors, '03 sd intercooler, d66 turbo, DP Tuner F5 chip (stock, high idle, tow, econo, extreme) modified IDM, CCV mod, gutted EBPV

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post #6 of 9 (permalink) Old 01-10-2008, 05:33 PM
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I'm using a Superduty SMF and the LUK replacement clutch for their SMF kit. The SMFs seen to have better clutch feel too.

The old DMFs are one noisy flywheel. h


93 W250 Club 6BTA/getrag/3.54/Powrlok/33" tires/BHAF/HX35/fuel pin/5x.012 sticks/⅛" timing/4" straightpipe
90 D250 grey 6BT/getrag/3.54/Lockright/BHAF
84 Ramcharger 2wd (soon to be 6BT/getrag)
90 Ramcharger 360/a518/4x4/3.54
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post #7 of 9 (permalink) Old 01-10-2008, 06:22 PM
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I'm probably the odd ball here but I had a single (LUK) put in my 96 and it made all kinds of noise. I had it replaced by a factory dual and never had another problem with slippage or noise. (I did sell the truck 20k + miles after the clutch was replaced though)

1999.5 PSD, 4x4, Auto trans, 6.0 Trans cooler, ZooDad Mod, ISSPRO Trans - boost - EGT gauges, Wicked Wheel, 5inch Stainless tip, 315 75 17 BFG AT's, ProComp 9000's at the corners, Fumatomo Valve, Pooned tank, DP Tuner F5 w/ 80 tow, 80 econo, 120 race and permagrin!
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post #8 of 9 (permalink) Old 01-10-2008, 06:41 PM
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Im addition to my 95, I also drive a '90 IDI and a '93 IDI turbo occasionally.

The 90 got a SMF kit, but the 93 got a complete new DMF replacement. My buddy regrets going with the DMF on the 93 as its just as noisy as the old one.

The noise I'm talking about is the spine-smashing rattle heard on startup or shutdown. The 90 and 95 trucks (and the 93 too) are all fairly spartan base trim work trucks without mufflers so if there was a _slight_ noise increase while driving, I wouldn't have noticed.


93 W250 Club 6BTA/getrag/3.54/Powrlok/33" tires/BHAF/HX35/fuel pin/5x.012 sticks/⅛" timing/4" straightpipe
90 D250 grey 6BT/getrag/3.54/Lockright/BHAF
84 Ramcharger 2wd (soon to be 6BT/getrag)
90 Ramcharger 360/a518/4x4/3.54
75 D300 crew dumptruck 318/np435/4.56
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post #9 of 9 (permalink) Old 01-10-2008, 10:11 PM
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A very good friend of mine retired from ford said to never go back with the dual mass because after time they seem to vibrate so much that it will and has cracked the bell housing... So I am running a zoom with a single mass for 20k now and have had no problems.
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