Another clutch question - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 15 (permalink) Old 06-25-2007, 10:15 PM Thread Starter
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Another clutch question

Im looking at buying a new clutch here soon and need some help. First of all I was wondering is it bad to get a clutch that is over rated for your truck. For instance say that the clutch is rated for 650hp and you turn your box down and may be making only 450. Would this hurt anything.

I tow alot, and on southbend's site it says get the 13-1.25 clutch for these applications. However "13" Upgrade Clutch Kits for 1989-2005 with 5 Speed Trans.
& '99-2000.5 6 speed transmission without HO engine" that was pulled from the site.

Im looking at this, http://www.southbendclutch.com/13-1.25fe.html. But as said above I dont think its gona work.


Any help for recommending a clutch would be greatly appreciated.
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post #2 of 15 (permalink) Old 06-25-2007, 11:37 PM
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The FE is a great clutch, but I will warn you that it is very grabby. I drove/towed with mine for a little over two years and you get used to though. You can underpower a clutch, but you will be fine with anything over 350hp with the FE.

As for fitment, I am thinking the reason it says non-HO is because of the larger input shaft in the later 6spd tranny. There was some early 6spd used in non-HO motors that used the same input shaft as the NV4500.
post #3 of 15 (permalink) Old 06-26-2007, 02:20 AM Thread Starter
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Thanks Bouncer, but for my truck what would you recommend?
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post #4 of 15 (permalink) Old 06-26-2007, 02:28 AM
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You can still get the OFE or the FE, you just need to get the MU 1947 series. You also will not get a flywheel as yours is already a 13", but you will need to get your flywheel surfaced before installing the clutch.

OFE

FE
post #5 of 15 (permalink) Old 06-26-2007, 04:21 AM
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i broke 2 sbc pressure plates on my 24v. so i went to this.
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96 2500 215 pump,CompR62,DDP3's,suncoast convter,6'lift
96 3500 12v auto,Bullseye CompR62 DDP3's,suncoast converter
95 1500 318 auto "for now"
99 1500 360 auto "for now"
95 1500 Bullseye Powered P-Pumped 24v. [email protected]
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post #6 of 15 (permalink) Old 06-26-2007, 05:51 PM Thread Starter
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I remeber reading about that a while back. Hows it holding up for you?
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post #7 of 15 (permalink) Old 06-28-2007, 04:48 AM
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700 plus out of my 24v. then my new 12v at 821hp but still tunning. it has not sliped yet and i have beat the poop out of it. when Spec gave it to me to test they said brake it and we will fix it. 5 tranny later it is sill great.

96 2500 215 pump,CompR62,DDP3's,suncoast convter,6'lift
96 3500 12v auto,Bullseye CompR62 DDP3's,suncoast converter
95 1500 318 auto "for now"
99 1500 360 auto "for now"
95 1500 Bullseye Powered P-Pumped 24v. [email protected]
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post #8 of 15 (permalink) Old 06-28-2007, 01:42 PM
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What kind of SBC clutch did you break and please be honest?
post #9 of 15 (permalink) Old 08-06-2007, 10:31 PM
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I need a clutch fast! What are the pros and cons of the 13" flywheel/clucth over just buying a clutch kit? I'm looking at the southbend mu 13-1.25 ofe.

2000 CTD, HOT Juice w/Attitude, Smarty, Mach 2 injectors (105 HP), 4" exhaust, BHAF, SB Clutch, FASS 150 ARP 12mm studs, stage 3 snow kit.

2008 f350/96 cummins in the works.
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post #10 of 15 (permalink) Old 08-07-2007, 02:17 AM
 
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am alos in the clutch and flywheel market i was looking at the SB 13-1.25 Con FE look at my sig. and tell me if that will do me well and does it some with the flywheel. i tow and plan on biulding hp next year close to 500.
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