02-28-2019, 09:13 AM | #23 |
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Different suspension geometry and shock length is the main key here.
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02-28-2019, 09:22 AM | #24 | |
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That's wha tI am talking about Abd did suspect that M550i will not have the same drop cosmetically like the M5, Another question r33_RGSport Ben, how come it's for M550i and feel that noticeably stiffer? I feel I just jumped into an M5C which I have heard about but never tasted the forbidden fruit
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02-28-2019, 09:26 AM | #25 | ||
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It's certainly less bouncy, it's firmer stiffer and reminds me of the R8 V10 rose a year ago! Was that flat on cornering which I appreciate a lot, honestly did it for looks but got some handling improvement thrown in too, didn't expect that from mundane M550Xi springs! With that said, as far as undulations are concerned it's slightly but noticeably for sure less comfy but not in an annoying way, call it a nice trade off? And for someone who has been having M5C envy as of late reading some reviews! I'll take it if it's jarring, but it's not! Had my old my in the car last night and no complaints! I did get it aligned and shop charged me 150$ just for that besides the agreed upon 500$, not sure how fair that is because it was never brought up before we have agreed on 500$ , I'm thinking it should have been built in the 500$? I shouldn't bit**? Right? I drove it more than 100 miles and I like it more 80% for the looks and 20% because of the other gains thrown in as a bonus in my mind!
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Vic5519472.00 |
02-28-2019, 10:02 AM | #26 |
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In terms of performance would these springs have any negative impact on the overall feel of the car. I'm asking because one (me) would assume that springs for a 550 would be " softer " than those for a performance car like the M5. Any input would be appreciated. I want to lower mine before my new wheels come in.
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02-28-2019, 10:12 AM | #27 | |
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Anybody wakes who can chime in? Because I don't want my mind to be playing tricks on me and my wishful thinking gets the best of me
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02-28-2019, 10:31 AM | #28 |
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Hey as you see we got a few of questions about handling, cornering, bounciest and stiffness and since I am sure you had a lot more behind the steering time than my self with this set up, we would love to hear your thoughts?
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02-28-2019, 12:40 PM | #29 | |
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1. H&R generally uses style where it have lower spring rate on the top few coils and high spring rate on the rest. 2. Eibach generally uses style where it have more gradual spring rate from lower to higher from top to the bottom. With H&R style, you'll gain more drop with a compromise of stiffer ride most of the time. If your shock valving is not up to par or close to it, you will feel bounciness. With Eibach style, you'll gain less drop but ride will be similar or close to stock. Maybe Miko M will have better answer since he is in the spring manufacturing business.
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02-28-2019, 12:42 PM | #30 | ||
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Wanna give it another go in English!
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r33_RGSport12978.00 Miko M6655.50 |
02-28-2019, 12:52 PM | #31 | |
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Same as mine, lol. Maybe Vic55 can translate it. ::throwing the mic to Vic::
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02-28-2019, 01:07 PM | #32 | |
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Burn Soooma burn
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02-28-2019, 01:57 PM | #33 | |
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You wish LOL
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02-28-2019, 04:39 PM | #36 | ||
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I wanted to check the spring rate on both but never got to it What RG is referring to is, multiple rate Springs( progressive rate ) vs single rate ( liner rate ) You can usually see on variable pitch and also inner diameter ( like tapered Springs ) It gets very tricky when you change the rate and, at what hight you are changing it. Another thing when you shorten up the spring the Load is changing at preloaded hight off the car, there is a way compensating for that by changing the end coils or even the wire diameter. I have a software that i can change the hight of a Spring but maintain the same rate of stock Springs, usually that requires changes to wire diameter or variable pitch. Hope this didn't confuse anyone. Lol
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02-28-2019, 04:46 PM | #37 | |||
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You the king man! Wanna elaborate on handling? Stiffness? Cornering? Insulation and your overarching impression! Thx
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02-28-2019, 04:46 PM | #38 |
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Here is example of a multi Rate spring I made
It has veritable pitch and reduced end coils
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02-28-2019, 04:48 PM | #39 | |
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Thanks Have more to add?
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02-28-2019, 05:15 PM | #40 | ||||
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The drop on mine car was 7/8" front and only 3/8 on the back. Which means very little changes are actually being done ( specially on the back ) It's literally cheep way to duplicate the Spring just making the F.L. shorter That's why cornering and compression is almost the same. Now with M550 Springs could be different because the Springs are shorter and you could potentially bottom out and hit the stops.
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02-28-2019, 05:18 PM | #41 | |
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I make them to at work but most Springs are actually made close end end ground so they sit square. See picture
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02-28-2019, 05:19 PM | #42 | |||||
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I think I tried to reproduce that taking a very deep slope at 60mph with 2 adults and 2 children and a semi full trunk, yet if it happened it was subtle and in the back only, How bad is it to hit stoppers?
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02-28-2019, 05:32 PM | #43 | ||||||
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I haven't done it. But with shorter springs like the one from M550 chances are much higher, specially full loaded car
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02-28-2019, 05:41 PM | #44 | ||||||
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