LCA s
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2nd Gear Member
Joined: Nov 2005
Posts: 306
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LCA s
Getting ready to buy some lca but cant decide which ones to get i really like the steeda billet set but here they break if u have these let me know how u like them and if u got much more noise compared to the stock set , im also looking at the bmr billet set and the bmr adj. arms also let me know what you all think
5th Gear Member
Joined: Mar 2006
Posts: 2,544
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RE: LCA s
I would avoid the Billet ones. They are very expensive for a part that is difficult to see. And then there's the history of the Steeda ones breaking.
The tubular steel type is both lighter and stronger than the aluminum ones, and the price is much nicer!
If you have (or are planning on) lowering your car or getting an aftermarket driveshaft, then get the adjustable LCAs. If not, get the solid ones.
The tubular steel type is both lighter and stronger than the aluminum ones, and the price is much nicer!
If you have (or are planning on) lowering your car or getting an aftermarket driveshaft, then get the adjustable LCAs. If not, get the solid ones.
3rd Gear Member
Joined: Aug 2005
Posts: 882
From: New Braunfels, TX
RE: LCA s
ORIGINAL: CrazyAl
If you have (or are planning on) lowering your car or getting an aftermarket driveshaft, then get the adjustable LCAs. If not, get the solid ones.
If you have (or are planning on) lowering your car or getting an aftermarket driveshaft, then get the adjustable LCAs. If not, get the solid ones.
5th Gear Member
Joined: Mar 2006
Posts: 2,544
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RE: LCA s
ORIGINAL: scramblr
Or you could get the non-adjustable one's if you get an adjustable UCA, no?
ORIGINAL: CrazyAl
If you have (or are planning on) lowering your car or getting an aftermarket driveshaft, then get the adjustable LCAs. If not, get the solid ones.
If you have (or are planning on) lowering your car or getting an aftermarket driveshaft, then get the adjustable LCAs. If not, get the solid ones.
Personally, I prefer adjustable lowers and a solid upper. The reason is that the lowers are much easier to access for adjustment than the upper. Also, the adjustable lowers are a stronger option than the adjustable upper.
3rd Gear Member
Joined: Aug 2005
Posts: 882
From: New Braunfels, TX
RE: LCA s
ORIGINAL: CrazyAl
Yes, that is a valid option. If you need to make adjustments you need adjustable lowers OR upper.
Personally, I prefer adjustable lowers and a solid upper. The reason is that the lowers are much easier to access for adjustment than the upper. Also, the adjustable lowers are a stronger option than the adjustable upper.
Yes, that is a valid option. If you need to make adjustments you need adjustable lowers OR upper.
Personally, I prefer adjustable lowers and a solid upper. The reason is that the lowers are much easier to access for adjustment than the upper. Also, the adjustable lowers are a stronger option than the adjustable upper.
5th Gear Member
Joined: Mar 2006
Posts: 2,544
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RE: LCA s
ORIGINAL: scramblr
I already did mine, so this is just a question for knowledge. Good point on the access, although it's not too difficult to get to the UCA if you can get on a lift. But why do you say the adjustable lowers are a stronger option? Thx...
I already did mine, so this is just a question for knowledge. Good point on the access, although it's not too difficult to get to the UCA if you can get on a lift. But why do you say the adjustable lowers are a stronger option? Thx...
First off, I have yet to see a UCA that really looks "bulletproof" except for the solid (non-adjustable) ones from BMR. The others, including BMR's adjustable type, are just not as solid. I haven't tested them all to failure, but that is my opinion as a mechanical engineer based on handling many of them.
Second has to do with the distribution of forces on the rear end. An adjustable part is going to be weaker than a solid part as a general rule--there are more opportunities for failure on the adjustable piece becasue of the adjustment mechanism. On the rear end of these cars there is only ONE upper control arm. That single UCA must bear a similar load as BOTH of the lower control arms. The LCAs are much more lightly loaded (individually) than the UCA is. Therefore, I'd rather have my "weak spot" on the LCA rather than the UCA becasue the LCA has a higher "safety margin".
Keep in mind that all this is nitpicking. I have yet to hear about a UCA failure. There's a lot of guys running adjustable uppers on very fast cars. I'm just explaining my preferance for the solid upper and adjustable lowers.
3rd Gear Member
Joined: Aug 2005
Posts: 882
From: New Braunfels, TX
RE: LCA s
ORIGINAL: CrazyAl
For two reasons.
First off, I have yet to see a UCA that really looks "bulletproof" except for the solid (non-adjustable) ones from BMR. The others, including BMR's adjustable type, are just not as solid. I haven't tested them all to failure, but that is my opinion as a mechanical engineer based on handling many of them.
Second has to do with the distribution of forces on the rear end. An adjustable part is going to be weaker than a solid part as a general rule--there are more opportunities for failure on the adjustable piece becasue of the adjustment mechanism. On the rear end of these cars there is only ONE upper control arm. That single UCA must bear a similar load as BOTH of the lower control arms. The LCAs are much more lightly loaded (individually) than the UCA is. Therefore, I'd rather have my "weak spot" on the LCA rather than the UCA becasue the LCA has a higher "safety margin".
Keep in mind that all this is nitpicking. I have yet to hear about a UCA failure. There's a lot of guys running adjustable uppers on very fast cars. I'm just explaining my preferance for the solid upper and adjustable lowers.
ORIGINAL: scramblr
I already did mine, so this is just a question for knowledge. Good point on the access, although it's not too difficult to get to the UCA if you can get on a lift. But why do you say the adjustable lowers are a stronger option? Thx...
I already did mine, so this is just a question for knowledge. Good point on the access, although it's not too difficult to get to the UCA if you can get on a lift. But why do you say the adjustable lowers are a stronger option? Thx...
First off, I have yet to see a UCA that really looks "bulletproof" except for the solid (non-adjustable) ones from BMR. The others, including BMR's adjustable type, are just not as solid. I haven't tested them all to failure, but that is my opinion as a mechanical engineer based on handling many of them.
Second has to do with the distribution of forces on the rear end. An adjustable part is going to be weaker than a solid part as a general rule--there are more opportunities for failure on the adjustable piece becasue of the adjustment mechanism. On the rear end of these cars there is only ONE upper control arm. That single UCA must bear a similar load as BOTH of the lower control arms. The LCAs are much more lightly loaded (individually) than the UCA is. Therefore, I'd rather have my "weak spot" on the LCA rather than the UCA becasue the LCA has a higher "safety margin".
Keep in mind that all this is nitpicking. I have yet to hear about a UCA failure. There's a lot of guys running adjustable uppers on very fast cars. I'm just explaining my preferance for the solid upper and adjustable lowers.
2nd Gear Member
Joined: Apr 2006
Posts: 308
From:
RE: LCA s
bullit, i had(have) the bmr adjustables, with rod end and polyurethane end. they made a huge difference as far as traction. lowered my e.t in the 1/8th by almosta half second, and gained 3.2 mph. the ride while cruising, didnt really notice the difference. little stiffer, and the rear end didnt hop around as much, but it was essentially the same. however, on bigger bumps, and the pothole i didnt freakin see, you'll know there's something different. its a more pronounced noise that the stock pop that comes when you hit a big bump. but again, it kept the rear in check and didnt pop around as much. if you're looking for some, you can pm me.... 
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