Have you thought of a new standard clutch and transfer / diff gearing? Heavy duty clutches are heavy
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| Tipper needs a new clutch http://auszookers.com/forum/viewtopic.php?f=5&t=24239 |
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| Author: | Bugsta [ Tue Jul 26, 2011 4:13 am ] |
| Post subject: | Tipper needs a new clutch |
Well, the original clutch has finally failed, as I expected it would given what I am making it do. I have to choose an appropriate replacement. So, I would like to know how the hardness of the clutch material and the pressure of the pressure plate is meaured/stated so I can make an informed choice. Are these specs offered by manufacturers, or are they stated somehow else. Knowing that, I'd like to know what the original Jimny specs are, and what other options are available. I want to end up with a clutch that is harder wearing and more solid but without making the clutch pedal too hard and breaking cables etc. I guess this is all pretty standard stuff but having never played with clutches before, I'm to learn. |
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| Author: | Ridge [ Tue Jul 26, 2011 4:57 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Have you thought of a new standard clutch and transfer / diff gearing? Heavy duty clutches are heavy
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| Author: | Bugsta [ Tue Jul 26, 2011 5:32 am ] |
| Post subject: | Re: Tipper needs a new clutch |
I have thought of transfer/gearing, but can't afford what it would cost to do it right for a Jimny. Any Sierra case swap would make major changes to high as well as low, which I don't want. And I kinda don't want to go backwards uisng old Sierra parts. Re clutch - not looking to overdo the 'Heavy Duty' for reasons already known, just an improvement. |
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| Author: | andrew88 [ Tue Jul 26, 2011 6:41 am ] |
| Post subject: | Re: Tipper needs a new clutch |
im running a npc clutch that was custom built to have alot of clampage but does effect the pedal too much. its only slightly heavier. i love the clutch such an improvement over the standard one with 235's. |
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| Author: | Ben_Sierra [ Tue Jul 26, 2011 7:47 am ] |
| Post subject: | Re: Tipper needs a new clutch |
I don't know if a heavy duty clutch is going to make a massive difference. I would guess that the most damage being done to your clutch is not it slipping when you are using maximum clamping pressure (i.e. fully engaged) but rather when you are having to slip it more when taking off, or off road etc... A heavier duty clutch will ultimately give you more available friction, but I doubt it will hold up much better to the slipping that you are still going to have to use due to inappropriate gearing... Thats my $0.02 anyway, others may disagree... |
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| Author: | Bugsta [ Tue Jul 26, 2011 11:11 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
Ok, well I have done some more research Vehicle - Suzuki Jimny VVT 08. Exedy... SZK7245 - Standard Clutch (Factory equivalent) Repco on Acct $425 SZK7245HD - 25% more clamp with same pedal pressure. Repco on Acct $260 Clutch Industries. Repco says they are a generic brand but are generally better than the factory unit. Standard - Repco on Acct $115 Heavy Duty - None available. So, I might just have to go the CI option for now till I can afford a nice Exedy! EDIT: Just double checked with repco. The price quoted on the CI was an old clearance special. Actual price is $195+freight. |
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| Author: | Fatzook [ Tue Jul 26, 2011 11:33 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
CI are shit. You may aswell buy a PBR
A clutch isn't something you can cut corners on. I promise you WILL burn it out in a short time frame considering the way you drive, and your lack of gearing. Do yourself a favour and pay for the exedy. |
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| Author: | boostedbrick [ Wed Jul 27, 2011 1:53 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Chances are NPC could build a clutch for the type of abuse you will put it through... Since thats what they do.. There standard HD units are well under $300 either way. Ive used them in a few vehicles and loved the abuse they could take. |
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| Author: | Bugsta [ Wed Jul 27, 2011 6:49 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Have done a lot of research today. For an Exedy, my best option is an NPC modified. They take a standard Exedy clutch, which they keep in stock, and modify it to give 40% extra pressure with no change to the pedal. At $302, this is by far the moset economical way to go for the best results. I might take a trip down there once I have it all out. |
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| Author: | andrew88 [ Wed Jul 27, 2011 7:53 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Bugsta wrote: Have done a lot of research today.
For an Exedy, my best option is an NPC modified. They take a standard Exedy clutch, which they keep in stock, and modify it to give 40% extra pressure with no change to the pedal. At $302, this is by far the moset economical way to go for the best results. I might take a trip down there once I have it all out. this sounds like the clutch they built me and same price. it worked well with my 235's. still going strong 
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| Author: | Bugsta [ Wed Jul 27, 2011 8:30 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Yeah just gotta find the dollars, unless I can get a cheap arse S/H unit for $50 to get me by. |
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| Author: | bohuler [ Wed Jul 27, 2011 8:43 am ] |
| Post subject: | Re: Tipper needs a new clutch |
I put a s/h clutch in my sierra. Its a korean made pos that was brand new on the second car i bought. While it has done the job that its made for, it is faaaar from what i would say a clutch is supposed to do. I use low range 2wd every morning to get out of my driveway and and i feel the clutch slip every morning. "Normal" driving on the road is fine, but the second that i want more from the car, it slips, lags, and carries on like a cranky misses once a month. I only put it on because i had the gearbox out for another reason and the excedy clutch i had in the car was pretty close to shagged and it was a sunday arvo and i was short of money to replace the flywheel ring gear, starter motor AND clutch on said sunday arvo. I have had the bugger in for 6 months now and when i get over the surgury and working again, i will be pulling the gearbox out again and putting and exceedy in. If you are able to put the clutch in yourself (and save the $$ on labour), put the best one in you can. DO IT ONCE AND DO IT PROPER! If you are struggling to change the clutch, i can guarentee that someone on this website can drop around one evening to give you a hand, group of top blokes (and some top lasses too!) here
Just my opionion! Dave |
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| Author: | Bugsta [ Wed Jul 27, 2011 10:10 am ] |
| Post subject: | Re: Tipper needs a new clutch |
bohuler, I agree completely with your methodology of 'Do it once, Do it right'. Thats how I approach everything I do. Will have to see how work is over the next couple of weeks. Gotta replace the air con compressor in my van before summer hits to (Ironically, because the clutch plate has come off teh front of it). Not cheap in the Merc 
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| Author: | Ben_Sierra [ Wed Jul 27, 2011 10:14 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Bugsta wrote: I agree completely with your methodology of 'Do it once, Do it right'. (
Put some gears in it then, rather than fixing something that isn't the problem 
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| Author: | royce [ Wed Jul 27, 2011 10:27 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Bugsta wrote: Have done a lot of research today.
For an Exedy, my best option is an NPC modified. They take a standard Exedy clutch, which they keep in stock, and modify it to give 40% extra pressure with no change to the pedal. At $302, this is by far the moset economical way to go for the best results. I might take a trip down there once I have it all out. what improvement to clutch life do you think this extra clamping pressure will give? do you currently have trouble with the clutch slipping under load with your foot completely off the pedal? no, I didn't think so |
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| Author: | Bugsta [ Wed Jul 27, 2011 11:00 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Ben_Sierra wrote: Bugsta wrote: I agree completely with your methodology of 'Do it once, Do it right'. ( Put some gears in it then, rather than fixing something that isn't the problem Well it kinda IS the problem... I don't have a working clutch. And, as previously mentioned, if I could afford gearing, I would have done that ages ago because i am well aware of the need. So I just gotta do what I can when I can. |
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| Author: | Ben_Sierra [ Wed Jul 27, 2011 2:12 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
royce wrote: Bugsta wrote: Have done a lot of research today. For an Exedy, my best option is an NPC modified. They take a standard Exedy clutch, which they keep in stock, and modify it to give 40% extra pressure with no change to the pedal. At $302, this is by far the moset economical way to go for the best results. I might take a trip down there once I have it all out. what improvement to clutch life do you think this extra clamping pressure will give? do you currently have trouble with the clutch slipping under load with your foot completely off the pedal? no, I didn't think so I already told him that, he doesn't listen
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| Author: | Bugsta [ Thu Jul 28, 2011 1:26 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
Beg my pardon. I must have missunderstood the purpose of a Forum. |
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| Author: | want33s [ Thu Jul 28, 2011 9:33 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
Wayne, what people are trying to tell you is that extra clamping pressure isn't what you need. Extra clamp will just make the pedal heavier. Your clutch is wearing quickly because you have to slip it to get moving due to having no reduction gearing. The act of slipping the clutch is reducing the clamped pressure on it. My zook has the cheapest standard clutch I could find/fit and it has never slipped or burnt out. If I were you I fit a new clutch and not go offroad till I'd made some gearing corrections to transfer or diffs or whatever works in a Jimny. |
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| Author: | Bugsta [ Fri Jul 29, 2011 8:05 am ] |
| Post subject: | Re: Tipper needs a new clutch |
That could be a while. As I have said - the way I want to do it is quite costly. The difference between the cheapest clutch at $195 and an Exedy at $215 and an NPC at $302 makes the difference neglible. NPC and ohers have said it will make little to no difference to pedal to the pedal. In any case, I haven't made any decisions, still tossing up my options till I get the clutch out which won't be till next week. If I could get a S/H 20% trialjimny T-case kit for chips, I'd do that sooner rather than later, just haven't seen any. |
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| Author: | Fatzook [ Fri Jul 29, 2011 9:17 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Bugsta wrote: If I could get a S/H 20% trialjimny T-case kit for chips, I'd do that sooner rather than later, just haven't seen any.
Knowing how rare they are, I wouldn't count on finding a second hand trial jimny gear set........or if you did, I imagine it would be on the upper side of expensive. 
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| Author: | ZookFan [ Fri Jul 29, 2011 10:46 am ] |
| Post subject: | Re: Tipper needs a new clutch |
[quote="Fatzook"]CI are shit. You may aswell buy a PBR
A clutch isn't something you can cut corners on. I promise you WILL burn it out in a short time frame considering the way you drive, and your lack of gearing. He's not that bad a driver is he?
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| Author: | Fatzook [ Fri Jul 29, 2011 11:08 am ] |
| Post subject: | Re: Tipper needs a new clutch |
ZookFan wrote: Fatzook wrote: CI are shit. You may aswell buy a PBR A clutch isn't something you can cut corners on. I promise you WILL burn it out in a short time frame considering the way you drive, and your lack of gearing. He's not that bad a driver is he? Its anyones guess But PBR's are seriously shit 
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| Author: | sbbunno [ Fri Jul 29, 2011 3:11 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
i got a heavy duty exedy clutch hear, Wether or not it fits a jimny i dunno 150$ but check its correct if your interested http://www.auszookers.com/index.php?nam ... ic&t=21399 |
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| Author: | Bugsta [ Fri Jul 29, 2011 10:29 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
sbbunno wrote: i got a heavy duty exedy clutch hear, Wether or not it fits a jimny i dunno 150$ but check its correct if your interested http://www.auszookers.com/index.php?nam ... ic&t=21399 Hey sb, the numbers don't match so I don't think its a go. ZookFan wrote: Fatzook wrote: CI are shit. You may aswell buy a PBR A clutch isn't something you can cut corners on. I promise you WILL burn it out in a short time frame considering the way you drive, and your lack of gearing. He's not that bad a driver is he? Indy, Thanks for your support, but I think I will forever have that stigma because I don't treat it like its my daily drive, and I don't, because it isn't. Well you saw. I followed 33" tyres and was only ever let down by clearance and gearing, (oh and a lack of fuel last time  )
Without changing the T-case back to a stick, and maybe even the gearbox, I'll be waiting till I can afford the APIO gears I think... Next month 
And yes, I agree, need a decent clutch. I will likely either go the standard Exedy or the NPC custom, based on andrew88's experience. |
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| Author: | swifty_ano [ Fri Jul 29, 2011 10:31 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
Bugsta wrote: sbbunno wrote: i got a heavy duty exedy clutch hear, Wether or not it fits a jimny i dunno 150$ but check its correct if your interested http://www.auszookers.com/index.php?nam ... ic&t=21399 Hey sb, the numbers don't match so I don't think its a go. ZookFan wrote: Fatzook wrote: CI are shit. You may aswell buy a PBR A clutch isn't something you can cut corners on. I promise you WILL burn it out in a short time frame considering the way you drive, and your lack of gearing. He's not that bad a driver is he? Indy, Thanks for your support, but I think I will forever have that stigma because I don't treat it like its my daily drive, and I don't, because it isn't. Well you saw. I followed 33" tyres and was only ever let down by clearance and gearing, (oh and a lack of fuel last time )Without changing the T-case back to a stick, and maybe even the gearbox, I'll be waiting till I can afford the APIO gears I think... Next month Tax time
I'll start breaking some aerials on peoples roof's for you. |
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| Author: | Bugsta [ Fri Jul 29, 2011 10:34 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
Sweet thanks man Yeah Tax man has come as he does but once a year, so SOME people are spending. This week has been excellent, and a bit lined up this coming as well. I guess you'd be finding the same?
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| Author: | Bugsta [ Fri Jul 29, 2011 10:36 pm ] |
| Post subject: | Re: Tipper needs a new clutch |
Now, I might go pull the rooted clutch out today so its ready if I get a bit of spare time during the week. |
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| Author: | Bugsta [ Mon Aug 01, 2011 9:34 am ] |
| Post subject: | Re: Tipper needs a new clutch |
After consideration, and discussing with NPC, I decided on the modded Exedy and picked it up today. I'll put it in tomorrow if I get a chance. If nothing else, It won't burn every time I do a quick change on the road. Also got the flywheel machined, and 2 bearings replaced. |
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| Author: | ZookFan [ Tue Aug 02, 2011 10:39 am ] |
| Post subject: | Re: Tipper needs a new clutch |
Good to hear your getting it sorted fast , what price did you end up getting?
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