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Marcus Frost Member Date registered: Mar 2010 Location: Chicago, IL Vehicle(s): 2009 G55 AMG Posts: 17 | SACHS HD vs Koni HT SPX on W46 Hello everyone, I'm looking to swap out the shocks on my G ('09 G55) for something that is not as "sporty" and allows for more suspension travel (and some more comfort would be nice too). I have been recommended these two shocks as replacements and would like to know what other forum member's experience with them has been... everyday manners, offroad, etc. Greatly appreciated. -m | ||
#173711 | |||
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sps Veteran Date registered: Oct 2007 Location: "G" is in the DC area Vehicle(s): 2000 G500 Cabriolet plus others Posts: 236 | Re: SACHS HD vs Koni HT SPX on W46 I just went from Sachs (non-HD) to the Koni SPX's. Koni's have a much smoother, yet more controlled, ride in my opinion. Sean at Eurotruck tends to stock them. I'll never go back. I don't think they'll do anything for your suspension travel though. Also, your G55 is engineered for some pretty high performance. Be aware that you may create a hazard by messing with that mix. You may want to search for Mario on this forum. He has a G55 and may have better input. | ||
#173714 - in reply to #173711 | |||
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Marcus Frost Member Date registered: Mar 2010 Location: Chicago, IL Vehicle(s): 2009 G55 AMG Posts: 17 | Re: SACHS HD vs Koni HT SPX on W46 sps, Thanks - in my searching it seems most people say the Sachs HD stuff is stiffer than their OEM suspension, however most people who post that are non-55 owners who already have softer suspension than I do. I will try and hunt down Mario To your point about travel - it is clear that the suspension on the 55, while better than previous years, seems to be geared towards sport driving. I know a lot of members here really adhere to the engineering put behind these trucks from the factory, however I am not one for "half-assing" modifications. I will keep my factory shocks and should the replacements not be "up to snuff" - I will not hesitate to go back to the original setup. -m | ||
#173717 - in reply to #173711 | |||
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logigeek Veteran Date registered: Feb 2009 Location: Japan Vehicle(s): 96 Tectite G320 Cabriolet, 02 Tectite G500 Posts: 122 | Re: SACHS HD vs Koni HT SPX on W46 I put the Koni SPX on my G500, and on the out-of-the-box settings I felt no difference vs my OEM shocks on bumps, but I do feel a positive difference when cornering. And they're cheap | ||
#173720 - in reply to #173711 | |||
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Indiana Drew Expert Date registered: Feb 2007 Location: Houston Tx Vehicle(s): 2002 G500 LWB, 1980 280GE SWB (Sold), S500 Posts: 2223 | Re: SACHS HD vs Koni HT SPX on W46 Marcus Frost - 6/16/2010 6:18 PM sps, Thanks - in my searching it seems most people say the Sachs HD stuff is stiffer than their OEM suspension, however most people who post that are non-55 owners who already have softer suspension than I do. I will try and hunt down Mario To your point about travel - it is clear that the suspension on the 55, while better than previous years, seems to be geared towards sport driving. I know a lot of members here really adhere to the engineering put behind these trucks from the factory, however I am not one for "half-assing" modifications. I will keep my factory shocks and should the replacements not be "up to snuff" - I will not hesitate to go back to the original setup. -m If you search Mario and Koni he has offered some pretty in depth insight into his choices. I believe he is using a heavier Koni than the SPX - HT I believe. I have attached the HT Raid and the SPX data. It they are from Koni international site. I just had SPX installed along with spring spacers, but I have not done enough driving for a report. Attachments ---------------- Koni for 463.pdf (97KB - 66 downloads) Koni for 463A.pdf (98KB - 43 downloads) Koni for 460.pdf (98KB - 28 downloads) Koni for 460A.pdf (97KB - 21 downloads) | ||
#173724 - in reply to #173717 | |||
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Brent Expert Date registered: Apr 2006 Location: SW Colorado USA Vehicle(s): '13 Wolfsburg GTI Posts: 1754 | RE: SACHS HD vs Koni HT SPX on W46 The good news is that you can alter your trucks mission using MB parts, or very high quality aftermarket bits. I am sure Mario will chime in but, the difference is he uses MB springs, higher profile all terrain tires and different shocks. The changes give him a smoother ride, vastly more off road capability, and maintains more than enough stability for a truck like this. All parts would be bolt on, you could save the 55 bits and change back in a matter of 2 hrs. | ||
#173737 - in reply to #173711 | |||
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djdinaz Extreme Veteran Date registered: Jun 2007 Location: Arizona Vehicle(s): 03 G55 Posts: 439 | Re: SACHS HD vs Koni HT SPX on W46 I swapped my stock G55 shocks for the Koni SPX's from 4x4club. From what I've read, some of the 03's and 04's shipped with shocks that were so stiff that dealerships were offering free swaps to G500 shocks because of the volume of complaints. The shocks I took off my truck basically had zero dampening and coupled with an ultra-stiff rebound created a bone-jarring ride on or off road. I put the Koni's on with the out-of-the box settings and couldn't be happier. On road, it's a completely different truck, pavement joints no longer make you wish you were wearing a mouthguard. Off-road, the truck feels more planted in washboards, and soaks up the bumps significantly smoother than before. My only complaint so far is why I waited so long to swap them out. The difference was that pronounced, it's like driving a different truck now. | ||
#173747 - in reply to #173711 | |||
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512bbi Expert Date registered: Jan 2007 Location: North western US and Europe Vehicle(s): 05G55kge,Range rover classic,clk55amg,ML 430 Posts: 1313 | RE: SACHS HD vs Koni HT SPX on W46 Marcus Frost - 6/16/2010 1:15 PM Hello everyone, I'm looking to swap out the shocks on my G ('09 G55) for something that is not as "sporty" and allows for more suspension travel (and some more comfort would be nice too). I have been recommended these two shocks as replacements and would like to know what other forum member's experience with them has been... everyday manners, offroad, etc. Greatly appreciated. -m Hi Marcus The largest part of the comfort issue with the amg G is the brutal gas pressure on the rear shocks and the cilastios (rubber helper springs inside the shocks) of the shocks designed to be already compressed at stock ride height . The way they operate help the truck to have a lot less body roll on fast corners and also help from harsh bottoming out of the suspension when running fast off road. If you eliminate the rear shocks to another make at the rear only as a first step you might find out if that along might be enough to have the comfort level you want. The front could be made to ride a little softer with stock shocks and springs if you install MB rubber spacers over your front springs which will help by not allowing the stock cilastio to compress enough at ride height but only when having some body roll on turns. That will also give you half an inch higher front ride height if not a little less. Your stock springs are the same rate with red three stripe fronts(MB only) and slightly softer than MB browns two stripe at the rear. I run them for more clearance off road and for more travel and flex I have found the Koni raids 90 series to be longer travel than stock in comparison to any other shock made for the G including the spx konis which do ride even more comfy than the raids because they have less compression forces but enough extension forces to give a controlled ride on the street. The raids are made with 60% more compression force than the spxs in order to control larger unsprung weight than stock (heavier larger tires and maybe wheels) and the extension forces are adjustable as the spxs are, only they start higher at the lowest setting and go higher also at the higher settings too. The raids have no gas and the spxs do. If you do not do heavy off road travel the spxs will be the best choice for comfort if you are comparing Konis.......bilsteins are not as comfy in my opinion or off road worthy. On the G55k I would adjust them stiffer to maintain more rebound and less body roll. When it comes to rubber you can make a difference also and go with 285-65-18 for more comfort than stock and with Michelin at2s or revo 2s you can still maintain sharp handling , more comfort and real performance off road as long as you turn your speed limiter at least 20 mph less than stock Mario | ||
#173776 - in reply to #173711 | |||
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G1979 Veteran Date registered: Apr 2006 Location: Indialantic, Fl Vehicle(s): G500 2005 Posts: 185 | Re: SACHS HD vs Koni HT SPX on W46 djdinaz - 6/17/2010 3:54 PM I swapped my stock G55 shocks for the Koni SPX's from 4x4club. From what I've read, some of the 03's and 04's shipped with shocks that were so stiff that dealerships were offering free swaps to G500 shocks because of the volume of complaints. The shocks I took off my truck basically had zero dampening and coupled with an ultra-stiff rebound created a bone-jarring ride on or off road. I put the Koni's on with the out-of-the box settings and couldn't be happier. On road, it's a completely different truck, pavement joints no longer make you wish you were wearing a mouthguard. Off-road, the truck feels more planted in washboards, and soaks up the bumps significantly smoother than before. My only complaint so far is why I waited so long to swap them out. The difference was that pronounced, it's like driving a different truck now. djdinaz Did you swapped both front and rear? JV | ||
#173805 - in reply to #173747 | |||
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G1979 Veteran Date registered: Apr 2006 Location: Indialantic, Fl Vehicle(s): G500 2005 Posts: 185 | RE: SACHS HD vs Koni HT SPX on W46 Mario which are the MB rubber spacers? Picture one or Two? (W463SpringBufferF.jpg) (W460SpringBufferF.jpg) Attachments ---------------- W463SpringBufferF.jpg (8KB - 7 downloads) W460SpringBufferF.jpg (11KB - 7 downloads) | ||
#173806 - in reply to #173776 | |||
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chris505 Date registered: May 2007 Location: San Francisco Vehicle(s): '79 280E/'80 280GE/'00 G500 | RE: SACHS HD vs Koni HT SPX on W46 he is talking about "trimpackers", rubber donuts at the top of the spring, i think they have a w123 or 114 part number, available in 4 thicknesses. Also known as soil spring shim/spacer. Edited by chris505 6/20/2010 12:38 AM | ||
#173811 - in reply to #173711 | |||
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djdinaz Extreme Veteran Date registered: Jun 2007 Location: Arizona Vehicle(s): 03 G55 Posts: 439 | Re: SACHS HD vs Koni HT SPX on W46 Yes, rears first (as fronts weren't available), and after the pronounced difference in the rear, it was just a couple weeks wait until I could get the fronts changed. Also, I mistakenly stated I got them from 4x4club, I purchased them from Sean @ Eurotruck. I suppose after thinking about it, the only thing I'd change is I'm probably going to adjust the front one step stiffer. The rears were perfect out of the box. | ||
#173831 - in reply to #173805 | |||
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Marcus Frost Member Date registered: Mar 2010 Location: Chicago, IL Vehicle(s): 2009 G55 AMG Posts: 17 | Re: SACHS HD vs Koni HT SPX on W46 First I want to thank everyone for their input - I think Koni will be the way to go. However there still seems to be the question of two additional parts - the buffers illustrated by G1979 and the rubber spring shims chris505 is referring to. I haven't looked at how the G's suspension is setup yet so I'm only familiar with the spring shim's Chris is talking about from other applications. If there are multiple choices in both "Buffers" and "trimpackers/shims/spacers" - which combination is best? Regards, Marcus | ||
#173921 - in reply to #173711 | |||
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512bbi Expert Date registered: Jan 2007 Location: North western US and Europe Vehicle(s): 05G55kge,Range rover classic,clk55amg,ML 430 Posts: 1313 | RE: SACHS HD vs Koni HT SPX on W46 G1979 - 6/19/2010 6:36 PM Mario which are the MB rubber spacers? Picture one or Two? Neither What you are showing is MB aux springs for any G, nothing to do with the smaller additional ones inside the amg shocks . Top one is good for rear for big loads but compresses more than the stock black one with big forces but more progressive. The second photo looks like stock front aux springs. It is best to leave those along. Chris 505 is right I was referring to the rubber donaughts made to go over the front springs in order to relieve pressure at ride height on the stock front cilastio(aux spring inside the shock) and soften the ride by increasing static ride height a little at the front. The compression of the stock front shocks is not harsh if you raise the height a little and they do run very nice with stock springs and or mb front reds,only they do not last more than 40k max before they loose their dampening some and become uncomfortable. The 90 series is a more capable off road shock for normal off road driving and have full extension protection where the spxs do not. If I had spxs on my 55 with stock springs i would adjust the front ones half way up to two thirds and the rear one third stiffer from full soft. The rear progressive springs need more force out of the shock to ride smooth in deeper bumps when the extra spring rate comes in with more travel. The front springs on the 55 are strong enough where the out of the box softest setting on the spxs will not be enough for those springs to ride the best Mario | ||
#173945 - in reply to #173806 | |||
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robwill54 Veteran Date registered: Aug 2007 Location: South of Houston on the Gulf Vehicle(s): '12 G550,F350 Superduty, E250 Posts: 140 | Re: SACHS HD vs Koni HT SPX on W46 My truck is a stock '03 and ready for tires and shocks. Can I run the 285/65/18's mentioned without any wheel spacers/etc? Could you recommend a tire brand for mostly on highway use? Bob | ||
#174640 - in reply to #173711 | |||
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Indiana Drew Expert Date registered: Feb 2007 Location: Houston Tx Vehicle(s): 2002 G500 LWB, 1980 280GE SWB (Sold), S500 Posts: 2223 | Re: SACHS HD vs Koni HT SPX on W46 robwill54 - 7/9/2010 11:56 AM My truck is a stock '03 and ready for tires and shocks. Can I run the 285/65/18's mentioned without any wheel spacers/etc? Could you recommend a tire brand for mostly on highway use? Bob Size should be fine - see below: Data from 1010Tire ... As to brand, do you want to go with All Season or AT? How close to spec do you want to go? What speed rating? Edited by Indiana Drew 7/9/2010 1:30 PM | ||
#174641 - in reply to #174640 | |||
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robwill54 Veteran Date registered: Aug 2007 Location: South of Houston on the Gulf Vehicle(s): '12 G550,F350 Superduty, E250 Posts: 140 | Re: SACHS HD vs Koni HT SPX on W46 Probably AT. Running the stock Yokomamas now. I like smooth and quiet in a tire; don't really need a high speed rating (unless the wife borrows it) Bob | ||
#174642 - in reply to #174641 | |||
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Indiana Drew Expert Date registered: Feb 2007 Location: Houston Tx Vehicle(s): 2002 G500 LWB, 1980 280GE SWB (Sold), S500 Posts: 2223 | Re: SACHS HD vs Koni HT SPX on W46 I have Hankook ATMs and like them quite well so far. Lots of folks use the Yok AT. | ||
#174643 - in reply to #173711 | |||
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dai Expert Date registered: Apr 2006 Location: Oregon USA Vehicle(s): 300GD 300TD BMW R100RS Landini 80F Posts: 2110 | RE: SACHS HD vs Koni HT SPX on W46 Trimpackers (front) are: A 115 325 24 44 Check with Eurotruck or a Mercedes dealer near you. That is one of the numbers. There are others in different thicknesses. At least three. They were originally a 115 chassis part for the rear springs. These can also be obtained from Performance. I am very happy with the Koni's I installed on my 460 SWB G. Fantastic build quality and performance. When they are not covered in dirt they look great in arrest - me - red. -Dai | ||
#174656 - in reply to #173811 | |||
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shakir Extreme Veteran Date registered: Dec 2006 Location: London , UK Vehicle(s): 1986 280 GEL manual, lpg.1991 300GEL AUTO Posts: 404 | RE: SACHS HD vs Koni HT SPX on W46 Has anyone got any experience in adjusting their KONI's ( 30 series versus spx series) with blue ORC springs ? My vehicle is a long wheelbase and I like to have a scientific explanation between the 30-1322, 301323 model versus the 8240 spx model. Edited by shakir 7/10/2010 10:21 AM | ||
#174669 - in reply to #173711 | |||
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