Getting some BC coilovers, who else is riding on them?
#81
Intermediate
On a side note, I've found that the camber difference is definitely part of what makes the front tire look thicker than the rear, even though it's not. Basically the shadow is very short on the front, and longer in the rear. I'm wondering now if I should get a camber kit for the front to help with this.
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VisualEchos (07-08-2015)
#82
I don't think you need a camber kit for the front, but rear maybe. To me Toe adjustment was more necessary than camber. I am running -1.9/-2.0 camber in front and -3.4/-3.6 in rear. My toe was off my -1 degrees on each side and I didn't notice till I changed by 3rd set of Hankook v12 in 7th week of putting my wheels on. I was blaming my camber for the quick wear all along but then I put it on alignment rack and knew it was the toe instead.
On a side note, for anyone looking for this information in the future:
Stock front coilover assy is 12.6 lbs
BC Racing coilover assy is 9.7 lbs
Stock rear coilover assy is 11.5 lbs
BC Racing coilover assy is 8.8 lbs
A pretty good weight savings if you ask me.
#83
Former Sponsor
It is true that toe is usually the culprit. That being said, having camber off by a couple degrees can wear out your tires prematurely as well. The tires might last longer than if the toe is off, but you still wouldn't be getting the full lifespan from them.
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ExcelerateRep (07-27-2015)
#85
going by this crude conversion chart;
16 = 896
15 = 840
14 = 784
13 = 728
12 = 672
11 = 616
10 = 560
9.0 = 504
8.5 = 476
8.0 = 448
7.5 = 420
7.0 = 392
6.5 = 364
6.0 = 336
5.5 = 308
5.0 = 280
4.5 = 252
4.0 = 224
3.0 = 168
2.0 = 112
12kg front = 672lbs/inch
6kg rear = 336lbs/inch
16 = 896
15 = 840
14 = 784
13 = 728
12 = 672
11 = 616
10 = 560
9.0 = 504
8.5 = 476
8.0 = 448
7.5 = 420
7.0 = 392
6.5 = 364
6.0 = 336
5.5 = 308
5.0 = 280
4.5 = 252
4.0 = 224
3.0 = 168
2.0 = 112
12kg front = 672lbs/inch
6kg rear = 336lbs/inch
For anyone reading this thread for info, please note the following.
I did not get the Extreme Low kit, which is about 20mm lower than the standard kit.
The set of springs I got with my coilovers were the standard springs (12F/6R), but you can order just about anything from BC. These are made to be damped at 8-10 from hard, which basically means they expect you to drop the car significantly, or race the car (unlikely). There is no other reason for spring rates this high on a luxury car. I could not find the stock spring rates (national secret I suppose), but researching similar cars, and other Honda/Acura rates, I'm betting they're 6F/3R...if that, so we're talking about double what the stock units are.
What does that mean to you? It means that the nice smooth ride you love so much in your TL will be gone at 12F/6R, no matter the height or damping, so take care in choosing your spring rates.
In these spring heights, you can go as low as 6F/4R, but you need to tell them that up front because they won't just come that way. This is the closest to stock you're going to get, and will allow you to use the proper amount of damping.
Now, if you want that crashing feel, and fantastic turn-in, and to somehow dream that you're driving a sports car and not a luxury cruiser, then by all means, get the standard 12/6 or even 12/10 that some have chosen, and turn up those dampers.
If you have questions, please feel free to PM me.
#86
Burning Brakes
Ok good, just want to be helpful from what I have learned since I've gotten into AutoX (Integra & TL) and Ice RallyX (TL) .
Sounds like you figured out that 12k F/6k R is a little stiff for your application.
To add to your last post:
From Tein's website their spring rates for Acura TL's are:
S.tech 5.5k F/5.5k R
H.tech 5.3k F/3.3k R
Let us know what spring rates you get for your TL and how it works out!
Just because I am curious... Why do you run R compound tires on your Lotus if you don't race it?
Sounds like you figured out that 12k F/6k R is a little stiff for your application.
![Tongue](https://acurazine.com/forums/images/smilies/tongue.gif)
To add to your last post:
From Tein's website their spring rates for Acura TL's are:
S.tech 5.5k F/5.5k R
H.tech 5.3k F/3.3k R
Let us know what spring rates you get for your TL and how it works out!
Just because I am curious... Why do you run R compound tires on your Lotus if you don't race it?
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VisualEchos (07-10-2015)
#87
I run full slicks in the Summer, and R888's in the Winter (they never touch snow, but slicks aren't supposed to be in temps under 50°). I live very close to some super smooth, lightly driven back-roads, and that's where my fun is had. Racing is a rich man's sport, and it'll beat the crap out of your car, end of story. Back-road fun driving is MUCH more enjoyable to me than chasing numbers with money.
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VisualEchos (07-10-2015)
#90
Burning Brakes
![Smile](https://acurazine.com/forums/images/smilies/smile.gif)
I run full slicks in the Summer, and R888's in the Winter (they never touch snow, but slicks aren't supposed to be in temps under 50°). I live very close to some super smooth, lightly driven back-roads, and that's where my fun is had. Racing is a rich man's sport, and it'll beat the crap out of your car, end of story. Back-road fun driving is MUCH more enjoyable to me than chasing numbers with money.
![Wink](https://acurazine.com/forums/images/smilies/wink.gif)
#91
I also, back in the day, when to a Bob Bondurant high performance weekend, and still use the advice that was given to me. Simple stuff really, like braking in a straight line, and smoothness glue, and how to apply the brakes properly. The Lotus requires a few more bits of info, like never lifting mid-corner, or over a hill, mid-engined stuff.
With regards to the R888's, I don't prefer them to the A048, but they're damn close, and honestly can't be beat for the money IMO!
#93
Burning Brakes
I love the stance, wheel and tire combo. Looks Great!![Thumbs Up](https://acurazine.com/forums/images/smilies/thumbsup.gif)
I didn't reliaze that, hopefully the new spring rates work for you.
Thank Goodness! I was worried you didn't use that Lotus on the track. I saw your tire choice and I was like no way would you by that level of tire and not use it on the track. I hear ya on the track surfaces for AutoX being less than ideal, but that's part of the fun
. I can run all my autoX's for less $$ than a HPDE. It's cheap fun for me an you meant very nice people.
Excellent, I will look at a set when it's time to replace my RS-3's
![Thumbs Up](https://acurazine.com/forums/images/smilies/thumbsup.gif)
I have tried them all. I honestly don't care for auto-x, or the terrible surface they're on many times, but I do like HPDE's, and may do a few next year. Still, they get your blood pumping for that kind of thing, and you want more each time you do one. You know what I mean.
I also, back in the day, when to a Bob Bondurant high performance weekend, and still use the advice that was given to me. Simple stuff really, like braking in a straight line, and smoothness glue, and how to apply the brakes properly. The Lotus requires a few more bits of info, like never lifting mid-corner, or over a hill, mid-engined stuff.
I also, back in the day, when to a Bob Bondurant high performance weekend, and still use the advice that was given to me. Simple stuff really, like braking in a straight line, and smoothness glue, and how to apply the brakes properly. The Lotus requires a few more bits of info, like never lifting mid-corner, or over a hill, mid-engined stuff.
![Smile](https://acurazine.com/forums/images/smilies/smile.gif)
The Lotus is on a different level from anything I've ever driven, and I've driven a LOT of very expensive "sports cars" (which were really GT cars). The difference isn't in how fast it is, because it's not, it's in how it moves. It really acts like it knows what you're thinking.
With regards to the R888's, I don't prefer them to the A048, but they're damn close, and honestly can't be beat for the money IMO!
With regards to the R888's, I don't prefer them to the A048, but they're damn close, and honestly can't be beat for the money IMO!
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VisualEchos (07-15-2015)
#94
Instructor
Been following this thread because I'm considering BC's as well. Has your new set of springs come in yet? It sounds like the rep is being super helpful in getting what you need. Is there any info on how the extra low option effects ride quality?
#95
I believe the factory springs to be 1/2 for the rear, and probably 3 for the front, so ANY springs + lowering will have a negative effect on ride quality...if you're looking to preserve the stock ride. Even the A-Spec kit that everyone buys rides more harshly than a base TL. However, if you choose the 4R/6F option from BC, I'm sure the harshness will be minimized. After having my 6R/12F on for a while, with all the way soft on the rear damping, and 15 on the front, it's not that bad of a ride with the drop I have, I'm just one of those weird guys wanting to make the car MORE luxurious, not less.
#97
Instructor
I don't have the springs yet, he's still sourcing them. The rep is awesome.
I believe the factory springs to be 1/2 for the rear, and probably 3 for the front, so ANY springs + lowering will have a negative effect on ride quality...if you're looking to preserve the stock ride. Even the A-Spec kit that everyone buys rides more harshly than a base TL. However, if you choose the 4R/6F option from BC, I'm sure the harshness will be minimized. After having my 6R/12F on for a while, with all the way soft on the rear damping, and 15 on the front, it's not that bad of a ride with the drop I have, I'm just one of those weird guys wanting to make the car MORE luxurious, not less.
I believe the factory springs to be 1/2 for the rear, and probably 3 for the front, so ANY springs + lowering will have a negative effect on ride quality...if you're looking to preserve the stock ride. Even the A-Spec kit that everyone buys rides more harshly than a base TL. However, if you choose the 4R/6F option from BC, I'm sure the harshness will be minimized. After having my 6R/12F on for a while, with all the way soft on the rear damping, and 15 on the front, it's not that bad of a ride with the drop I have, I'm just one of those weird guys wanting to make the car MORE luxurious, not less.
#100
The Extreme Low comes 20mm shorter, that's the exact difference.
I don't know how anyone driving a luxury car would think any coil-over was too soft, especially when they are ALL harder than stock, but I guess there are those people who own the car that are more performance minded.
I don't know how anyone driving a luxury car would think any coil-over was too soft, especially when they are ALL harder than stock, but I guess there are those people who own the car that are more performance minded.
#101
Racer
iTrader: (2)
The Extreme Low comes 20mm shorter, that's the exact difference.
I don't know how anyone driving a luxury car would think any coil-over was too soft, especially when they are ALL harder than stock, but I guess there are those people who own the car that are more performance minded.
I don't know how anyone driving a luxury car would think any coil-over was too soft, especially when they are ALL harder than stock, but I guess there are those people who own the car that are more performance minded.
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VisualEchos (07-22-2015)
#102
Intermediate
Also the BC Extreme Low option, like VisualEchos said is 20mm shorter but that is the case for the rears only. The fronts are identical for normal BCs and extreme-low.
#104
After driving on these for a while, I'll say that I could live with the 12/6 I got for sure, but would have ordered softer springs had I known to do so. At a minimum I would have gotten 10/6, which might work fine for you. There are guys on here that have 12/10, which I don't recommend, as they will be nowhere near stock, and unless you're racing the car or slamming it to the ground it makes no sense. They probably got them from a vendor that ordered them that way for whatever reason. Standard is going to be 12/6.
#105
Instructor
I'm looking to do something like this https://acurazine.com/forums/car-par...dition-902927/ . Thus I would be leaning more towards 12/6 or even the possible 12/10.
#107
Intermediate
I'm looking to do something like this https://acurazine.com/forums/car-par...dition-902927/ . Thus I would be leaning more towards 12/6 or even the possible 12/10.
#109
Intermediate
I was referring to GreenMan's comment regarding chosing 12/6 spring rate on his car and I was saying he doesnt have to chose as that is the default spring rate for BCs.
I have the stock BC rate (12/6) and I find it fine for most applications, while I could use a higher spring rate in the back as the subs in my trunk cause the wheel to rub on my fender on dips.
![](https://cimg4.ibsrv.net/gimg/acurazine.com-vbulletin/898x431/tl_loww_da0e028858f5b699de6b31d5c7535d550d41f082.jpg)
#116
Not at all, in fact, my stock struts are still very good. 80K easy miles. I also didn't have all the rust/dirt/grease everywhere that is found in most suspension threads, and all my bolts came out/off easily. Of course, I did PB Blast all the stuff the week before...
#117
< ------ Stunt'N ------ >
Quick question for you guys, do these BC coils come with an adjustable FRONT camber plate?? In order words, can you adjust camber on the FRONTS??
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20TwozZZZzz (10-04-2015)
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