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Cutting springs soon new donuts
Cutting Springs Soon
I have to drive up to Los Angeles to see my wheel guy. He will cut my springs and install the KMAC rear camber adjuster. I am thinking that I should go with the 1 nub spring donuts on the springs because this is the thinnest and will get me down the farthest while conserving the most spring. My question is does this make sense and where to buy the donuts? Also, when he puts in the rear KMAC unit, are there some bushings that I should put in and which bushings since maybe he has to pull it apart anyway. (and I might as well put in some new parts while doing this.) Which bushings are these and where to buy these? 1981 300CD Thank you very much. |
#2
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I've read some here have installed vogtland (sp?) springs. I've heard that cutting is a bad thing to do... I have no experience with either.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#3
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I have cut and i have used aftermarket.. cutting is kinda redneck but it works, i would not cut on something i cared about.
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1996 s10 zr2 with a 6.5 turbo diesel 1996 c2500 suburban with a 6.5 turbo diesel 1981 300sd with a turbo 617 Monte carlo figure 8 car |
#4
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Interested to learn more as I would like to lower one of my Mbs.
Nothing 'red neck' about cutting springs. The method used to lower a vehicle depends upon the objective. There are advantages and disadvantages of each approach. Buying a set of lowering springs is the 'turn key' package that best suites the widest range of users. Many of us have gone so far as to even cut aftermarket springs to 'fine tune' the project. nothing wrong with cutting springs.
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83 300TD (need rear wiper assembly dead or alive) 84 300SD Daily driver 85 300TD almost 400k miles and driven daily. 98 E300D *sold 86 300SDL *sold and made flawless 10 hour journey to new home. |
#5
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Im not saying its dangerous and im not saying it doesnt work, it's just not the "right" way to do it. If your lowering your car your probably looking for increased cornering ability but without a stiffer spring your not going to get that.
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1996 s10 zr2 with a 6.5 turbo diesel 1996 c2500 suburban with a 6.5 turbo diesel 1981 300sd with a turbo 617 Monte carlo figure 8 car |
#6
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Actually cutting the spring increases its spring rate. But removing an entire coil can increase the rate to a point where it is very stiff and uncomfortable. If the springs are 'notch' positioned (I am not familiar with MB's perches) you need to remove an entire coil so that they seat correctly. If the perches do not have positioning notches you can cut as much as you like.
Key to cutting is use a cold saw or, if you must use an abrasive cutting wheel/disc go quick and keep the temperature down. Aftermarket drop springs are typically progressive in that the first amount of compression is 'soft' and as it compresses it gets stiffer. This allows for a good ride but good handling as well. A cut spring will simply be stiffer. With 'classic' MB there is not a lot of aftermarket support for drop springs available, indeed if any, so cutting is pretty much the only option if you are looking for improved stance, ride, and handling. Even if you find some many drop springs available are not that good so the old adage you get what you pay for applies. Once springs are cut, or you go to a different spring with a stiffer rate (Eibach, H&R) you must realise the stock shocks will not be up to the task. The stiffer spring will simply overcome it. So any time you go to a different spring it is important that you match it to a stronger damper. Koni or Bilstein HD's for instance... for a cut spring perhaps the very stiff KYB's would be a good match.
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I don't know the same things that you don't know. Shayne 85 W126 SD OM617.951 87 409D 650S OM617.913 93 E34 Touring M50B25TU 02 E46 Sport M54B30TU |
#7
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cutting springs isnt that bad. ive never done it on a mb but have on other cars..just dont over do it. cutting a coil off isnt a big deal..and the car still should ride somewhat between stockish and with loweing springs. dont cut off like 3 coils which will basically ruin your ride quality.
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1993 e300 1995 e320 1994 e320 2006 s500 4matic 2004 Jeep wj overland 2001 Ducati 748 2004 Honda shadow aero |
#8
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My question is does this make sense and where to buy the donuts?
Which bushings are these and where to buy these? Well, there is a Buy Parts Tab at the top of the page. click on it and pruchase what ever you need. Call Phill if something is not listed. Might as well help soupport the Forum. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#9
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3 coils in the front 2 in the rear I believe is the best approach. I would get new shims and stay with the current nub size.
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http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 |
#10
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Quote:
cutting mercedes springs is also easy because for the most part they are a progressive rate. I'm planning on chopping 1/2-1 coil off my springs on the cabrio to lower it a bit |
#11
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Quote:
It seems at least some were not happy about the rear springs. And some cut the Vogtland lowering springs. |
#12
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So I have always wondered... cut off the top or bottom?
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08 R320 CDI current Past 95 E420 87 300D Turbo 5spd 90 300TE 83 300SD 85 300TD 92 400E 85 190D |
#13
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I always cut the bottom.
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I don't know the same things that you don't know. Shayne 85 W126 SD OM617.951 87 409D 650S OM617.913 93 E34 Touring M50B25TU 02 E46 Sport M54B30TU |
#14
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Quote:
I put on Bilstein HDs 1 week ago, and the car does not wallow anymore when it is going in a straight line as a negative, but it does not roll as much going around the corners as a positive. Now from driving it, i understand the posts about putting HDs on the front and comforts on the rears. the front hds tighten up and quicken the steering response and decrease the roll. Makes the car react more like a more newer technology. HD on front and comforts on the back with double roll bars on the back might be optimum. in this case, when lowering the car you have to worry about compressing the spring to its maximum compression and so i have to keep the hds in the back. Anyway we shall see after the cuts. if it doesnt work then can buy oem springs and go back to how it was. |
#15
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Quote:
winmutt, there was a guy who cut too much and was quite humble about posting pictures of his screw up. forgot if he cut 3 or 4 coils. then he fixed it and was happy. Have to look at my notes. if cut 3 in front and 2 in rear, then the rake will increase from 1/2 inch to maybe 1 1/4 inch. car might look like an anteater. to keep the same rake, then have to cut front and rear equally. If you look at the German mobsters look after WWI, they had zero rake. To get that look, would have to eliminate 1/2 inch by diff donuts front to rear or mess with the shims which i will become an expert in after doing this. |
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