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#1 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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I'm doing a 465/205 swap in my k10 and am wondering how do i know if i need a lever or diaphram style clutch? Goin by my gf's brother (manager of parts store) there is no real difference but i should stay with what i had... Problem here in lies how do i know which i need? Thanks
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#2 |
Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: Clutch Help?
Either style will work. The throwout bearing is different to account for the difference in preasure plate hieght. All comes down to preference. I prefer diaphram style clutches. They are easier to bend the fingers on but that is my preference. On the flip side I pulled a Borg style out of my 72 that was installed by a previous owner. Looked brand new, still had the rebuild stickers in place with minimal wear to the clutch disc, and had a cracked preasure plate.
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#3 |
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Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
I want the lever just to feel more like a real 1 ton puller. People say i'm odd for wanting it but idc. I just wanted to see if there was a difference before i get one and have to drop the tranny and everything, again. I'm getting the "kit" which has disc, plate, pilot and throw out bearing ald alignment tool so i hope this helps... I just read somewhere someone use one style disk with the other fork and it destroyed the fork. I just want to use the right parts :/
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#4 |
Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: Clutch Help?
I have 2 diesel powered Cummins trucks with after market clutch assemblies. One is a single disc and the other is a dual disc. Both have diaphram style pressure plates. The single disc handled well over 1000 ftlbs of torque for years and the dual disc has towed 34k gross for literally half the miles on the odometer at the 425 HP range which should put it in the 8-900 ftlb range.
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#5 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Clutch Help?
When I put a clutch in a vehicle I always buy a clutch kit, that way I know everything matches.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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#6 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Shyguy i agree but is there a lever style clutch fork and a diaphram style clutch fork or are they one in the same?
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#7 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,940
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Re: Clutch Help?
When I put a new clutch in my 1979 GMC K25 with a 465/205 combo. I replced the stock lever style with a diapram style. Came from Centerforce with the throwout bearing and eveything. It all fit with the stock clutch fork.
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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#8 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Thanks. Mine is the power torque brand (complete clutch kit for 75 bucks) and i'm goin lever... We'll see what happens!
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#9 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,605
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Re: Clutch Help?
Save your 75 bucks and add a couple hundred more and put a good clutch in. You buy one that cheap and you'll be getting more exercise changing it out again and again.
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#10 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,940
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Re: Clutch Help?
I agree with Geez 100% on that. At the least... get a Zoom clutch. They are a little cheaper than a Centerforce or a Ram... but they hold up good.
You get what you pay for in clutches... I have been using Centerforce clutches for over 20 years. And like most cats on here that have been doing the same... we use them for a reason. They are simply awesome clutches. Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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#11 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
It's not that it's cheap (origionally they're 140) but brother in law is a manager of o'reilly's so i get discounted parts.
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#12 |
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Join Date: Dec 2008
Location: NW-Ohio
Posts: 2,525
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Re: Clutch Help?
someone better post pics and more info for the lost, who had no idea they had a choice in styles. I can hear them scratching their heads now with the RCA dog look.......
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#13 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Trith be told all i know is a lever style has 3 levers to push the disk in... And it's harder to push in... Diaphram i know nothing of...
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#14 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,605
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Re: Clutch Help?
Your choice of clutch style depends on your intended use. The 3 finger borg&beck style is harder to push in but has massive holding power due to the lever ratio and heavier springs.
A diphragm is available in a flat and raised finger style. Much easier to push in. What kind of driving are you going to do? A 3 finger isn't suited to stop and go city driving but great for off-road where you rarely shift. And are you going to be the only driver? |
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#15 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Thank you geezer for that insight. Yes i'm the only driver. It will be used heavily off road and to pull my horse trailer on the highway very little stop n go city driving honestly. Except to get gas or something. Nobody in my family knows how even though i've tried countless times trying to teach my gf and parents...
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#16 | |
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Join Date: Jan 2013
Location: Eastern TN
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Re: Clutch Help?
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#17 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Definetly don't want ceramic then...
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#18 |
Kid's Mechanic
Join Date: Nov 2006
Location: Kansas City
Posts: 8,241
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Re: Clutch Help?
lever ....
. . . . Diaphragm |
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#19 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Clutch Help?
If you really, want 1 to "hang", Centerforce DF
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#20 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Well i got my clutch and some more questions... I got a new flex plate that is tapered. My old flywheel is not tapered but all the bolt holes line up... Can i just use my old flywheel? Also how important is lock-tite on the bolts? I didn't last time and no problems but don't want any problems. Also i kinda need the torque specs... I know those are important lol
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#21 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Makin sure i got this right. I tried finding instructions but cab't :/ my luck. Install new flexplate, torque to 75 lbs. install pilot bearing in crank. Put disk onto alignment tool and align. Then put on lever clutch and bolt to flex plate. Put TOB on tranny shaft and bolt it all together. Make sure it functions properly and continue to transfer case swap?
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#22 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,605
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Re: Clutch Help?
A little backwards. Not much!!
Slide the clutch disk into the pressure plate and bolt the plate to the flywheel finger tight. THen slide the pilot tool thru the disc into the pilot bushing and then tighten the plate bolts. Make sure the alignment tool slides out and back in smoothly. Put the throw out bearing onto the fork. Slide the tranny into place right thru the throw out bearing and the disc. Make sure the tranny is in first gear in case you need to rotate the input shaft if it won't slide in easily. Make sure the disk is in the right way. Should say flywheel side on it. Some people cut the heads off 2 bolts that fit into the top holes on the bell for alignment pins. Cut a slot in them so you can use a flat screwdriver to remove them. Also before you do anything test fit the disk on the tranny. Make sure it slides off and on nicely. Work cleanly. Don't touch the surface of the disc or the flywheel with greasy hands. |
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#23 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
Thanks geezer! I wanted to make sure just in case i screwed it up. I'll tackle this tomorrow and post pic's and questions.
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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#24 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,940
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Re: Clutch Help?
So how does a flex plate equate in all this? You mentioned flex plate a couple times... A flex plate is for an auto tranny.
![]() Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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#25 |
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: Clutch Help?
That's my fault. I get the two confused. Fly =Manual. Flex = Auto... Lesson learned!
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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