rotora big brake kit
#1
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rotora big brake kit
anybody heard of them?
i think i'm set on getting these, 1250 is the cheapest i've found and they sound good. cross drilled/slotted.
http://www.rotora.com/cgi-local/Soft...html?E+scstore
i need opinions.
i think i'm set on getting these, 1250 is the cheapest i've found and they sound good. cross drilled/slotted.
http://www.rotora.com/cgi-local/Soft...html?E+scstore
i need opinions.
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#3
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yes they are badass.....i got them in the group buy thing....4 piston calipers......SS braided brake lines, slotted and cross drilled huge rotors......and they perform amazingly. they also look badass and give ur wheels a sleeker look....i got the red calipers.....i would give them a 10!!!!!!!
#4
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awesome. so they DO fit in within our wheels right? stock rotors 11"? i was reading on the site how it may not fit on some cars because of the big calipers.
#7
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cool. thanks for the input vinh. hmm...
cdrink80, the rotoras are MUCH cheaper than the brembos. i think i'd rather save money on the brakes and get some other parts. like sways and the UR pulleys :p
cdrink80, the rotoras are MUCH cheaper than the brembos. i think i'd rather save money on the brakes and get some other parts. like sways and the UR pulleys :p
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#8
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Originally posted by ktown378
awesome. so they DO fit in within our wheels right? stock rotors 11"? i was reading on the site how it may not fit on some cars because of the big calipers.
awesome. so they DO fit in within our wheels right? stock rotors 11"? i was reading on the site how it may not fit on some cars because of the big calipers.
sidemarker
#14
Bagged hybrid
The Brembo calipers are 4 piston lotus calipers while the Wilwoods are 6 pistion calipers. For a complete set of Brembo brakes (big fronts & blank rears), it is at least $800 more than the Wilwoods. IMHO, not worth the price w/ two fewer pistons per caliper.
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#15
you can reason it that way. but you can have 30 pistons and wouldn't make the caliper better. 6 25mm pistons won't apply the same amount of force as 4 36/40mm pistons. the 6-pot calipers should be used more with 14" rotors or greater, else because of physical limitations, the 6-pot caliper on a smaller diameter rotor is just to say, "Yeah, i have 6 pot calipers". (which is what you're basically doing at this moment.)
but i am ASSuming a lot here, i'm not aware of your caliper piston sizing. i just know the brembo lotus calipers are 36/40mm. what sizes are your 6 pots, if you don't mind sharing.
i'm not downplaying wilwood. they're a decent brake company. i just wish they would provide thicker rotors with their applications. how thick are the rotors for your setup?
but i am ASSuming a lot here, i'm not aware of your caliper piston sizing. i just know the brembo lotus calipers are 36/40mm. what sizes are your 6 pots, if you don't mind sharing.
i'm not downplaying wilwood. they're a decent brake company. i just wish they would provide thicker rotors with their applications. how thick are the rotors for your setup?
#18
Bagged hybrid
usc - Nothing personal, but I was trying to be sarcastic on my last comment. Yes, I know more pots doesn't always mean better, but if correctly balanced with rotor size, rear brakes, and master cylinder, it can be better. Heck, some RS6 has 8 pot calipers on 14" rotors.
Yes, you are ASSuming a lot.![No No](https://acurazine.com/forums/images/smilies/nono.gif)
Brembo
Rotor 12.91" x 1.1"
Caliper 4 pots (36 & 40 mm)
Wilwood
Rotor 13" x 1.1"
Caliper 6 pots (28.5x2 & 41.1x1 mm)
Yes, you are ASSuming a lot.
![No No](https://acurazine.com/forums/images/smilies/nono.gif)
Brembo
Rotor 12.91" x 1.1"
Caliper 4 pots (36 & 40 mm)
Wilwood
Rotor 13" x 1.1"
Caliper 6 pots (28.5x2 & 41.1x1 mm)
#20
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That's funny. When some one brings up the subject of increased HP, most people started asking the usual questions such as dyno figures before and after, 1/4 miles before and after. However, when is come to significant upgrade in the brake sysem, no one it interested the 70 to zero stopping distance, before and after, which is really the most important issue in upgrade your brake----to reduce your stopping distance/fade. If you don't mearsure it or if the mfg does'nt provide any numbers, how do you know it's worth your money? Or do you spend it just for looks? My two cents
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#22
SHIFT_over.so.I.can.see
Originally posted by tdtsai
That's funny. When some one brings up the subject of increased HP, most people started asking the usual questions such as dyno figures before and after, 1/4 miles before and after. However, when is come to significant upgrade in the brake sysem, no one it interested the 70 to zero stopping distance, before and after, which is really the most important issue in upgrade your brake----to reduce your stopping distance/fade. If you don't mearsure it or if the mfg does'nt provide any numbers, how do you know it's worth your money? Or do you spend it just for looks? My two cents
That's funny. When some one brings up the subject of increased HP, most people started asking the usual questions such as dyno figures before and after, 1/4 miles before and after. However, when is come to significant upgrade in the brake sysem, no one it interested the 70 to zero stopping distance, before and after, which is really the most important issue in upgrade your brake----to reduce your stopping distance/fade. If you don't mearsure it or if the mfg does'nt provide any numbers, how do you know it's worth your money? Or do you spend it just for looks? My two cents
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#23
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Civic, dyno measure of before and after HP increase is easier to do comparing using a tape measure of the stopping distance?
Bigger rotor doe not equate to shorter stopping distance. Otherwise Car and Driver, Motor Trend, would not bother to measure the stopping distance. They can simply say this car stops better because the rotors are bigger, or this car stops better because it has 4 pistons in the caliper. Would you buy their stories? I think not
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#24
Even Brembo will tell you their Gran Turismo brake kits are not expected to decrease stopping distance. Their kits are to provide you with resistance to fade/warp, and consistent stopping distances in constant, repetitive usage. With that said, generally, upgrading to a BBK will still typically yield slightly shorter distances.
I speculate this is due to more brake leverage which allows you to engage ABS a fraction of a second faster than before. This greater brake force makes the greatest difference when the car is at higher speeds as each fraction of a second can mean many feet traveled.
For those who're interested, here's an article by Car and Driver on the matter.
http://www.caranddriver.com/article....&page_number=1
I speculate this is due to more brake leverage which allows you to engage ABS a fraction of a second faster than before. This greater brake force makes the greatest difference when the car is at higher speeds as each fraction of a second can mean many feet traveled.
For those who're interested, here's an article by Car and Driver on the matter.
http://www.caranddriver.com/article....&page_number=1
#25
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I for one am upgrading my brakes because of the TERRIBLE brake issues that Honda/ACURA decided to sweep under the rug... I am not getting my stock rotors cut ever 8-15K.
Besides the stock set-up looks like ass when you have a nice set of rims on the car....
JON, the 5mm spacers can be found through DEAN BATY, he ordered a shit load..
If you guys wish, i will let you in on a little secret:.... Dean was waiting for me to install my brakes this weekend before he announced the deal he is swinging for you guys... The ROTORA big brake upgrade will come with the works...(everything except brake fluid) (including spacers, ss lines,front and rear pads, rear slotted rotors)... for $1550 shipped... or right around that area
I will post pics after this weekend when they are on, then you can tell me what you think of the looks while I tell you after 200 miles of driving on them how they feel..
In the meantime go ask Redrider (Glen) about them, he has had them on his car for awhile now and I know he loves them....
Lets not spectulate here... anything is better than stock and you guys know it..
Besides the stock set-up looks like ass when you have a nice set of rims on the car....
JON, the 5mm spacers can be found through DEAN BATY, he ordered a shit load..
If you guys wish, i will let you in on a little secret:.... Dean was waiting for me to install my brakes this weekend before he announced the deal he is swinging for you guys... The ROTORA big brake upgrade will come with the works...(everything except brake fluid) (including spacers, ss lines,front and rear pads, rear slotted rotors)... for $1550 shipped... or right around that area
I will post pics after this weekend when they are on, then you can tell me what you think of the looks while I tell you after 200 miles of driving on them how they feel..
In the meantime go ask Redrider (Glen) about them, he has had them on his car for awhile now and I know he loves them....
Lets not spectulate here... anything is better than stock and you guys know it..
#26
Originally posted by tdtsai
That's funny. When some one brings up the subject of increased HP, most people started asking the usual questions such as dyno figures before and after, 1/4 miles before and after. However, when is come to significant upgrade in the brake sysem, no one it interested the 70 to zero stopping distance, before and after, which is really the most important issue in upgrade your brake----to reduce your stopping distance/fade. If you don't mearsure it or if the mfg does'nt provide any numbers, how do you know it's worth your money? Or do you spend it just for looks? My two cents
That's funny. When some one brings up the subject of increased HP, most people started asking the usual questions such as dyno figures before and after, 1/4 miles before and after. However, when is come to significant upgrade in the brake sysem, no one it interested the 70 to zero stopping distance, before and after, which is really the most important issue in upgrade your brake----to reduce your stopping distance/fade. If you don't mearsure it or if the mfg does'nt provide any numbers, how do you know it's worth your money? Or do you spend it just for looks? My two cents
![Wink](https://acurazine.com/forums/images/smilies/wink.gif)
#28
Originally posted by ktown378
and how many 5mm spacers do you need? i'm callin rotora in the morning to make sure it'll fit the stock wheels.
and how many 5mm spacers do you need? i'm callin rotora in the morning to make sure it'll fit the stock wheels.
you'll need as many spacers as you have big brake calipers. so if you're getting the front kit... well, you'll need 2.
i personally don't like the idea of running w/ spacers (because you'll have less threads for the lug nuts to bite). even should you upgrade with longer lug bolts (available from H&R), i would still recommend just getting aftermarket rims that will clear the calipers w/o need for spacers. most spacers are just aluminum shims and w/ different temperature expansion, distortion is just one potential among a list of other possible undesirable side effects.
#29
SHIFT_over.so.I.can.see
Originally posted by tdtsai
Civic, dyno measure of before and after HP increase is easier to do comparing using a tape measure of the stopping distance?
Bigger rotor doe not equate to shorter stopping distance. Otherwise Car and Driver, Motor Trend, would not bother to measure the stopping distance. They can simply say this car stops better because the rotors are bigger, or this car stops better because it has 4 pistons in the caliper. Would you buy their stories? I think not
Civic, dyno measure of before and after HP increase is easier to do comparing using a tape measure of the stopping distance?
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I never said bigger rotor was necessarily better just for the bigger size. The bigger contact patch between the rotor and the bigger brake pads gives more area to grip the brakes and therefore slow the car down faster. Also, brakes catch better when they are cooler. By incraesing the surface area of the brake and/or changing the materials (also slotting and adding other heat dissipating deseigns) will and DOES change the amount the brakes will catch.
Look at it this way: if you're on a mountain and heat up your brakes too much they won't catch right? now what happens when you cool them back down? exactly...
#32
spacers can come in any thickness. anything beyond 5mm will definitely require you to get new lug screws (unless you enjoy watching your tires roll off the car at 75mph). but to answer your spacer question, you will always just add 1 spacer. be it 5mm, or 15mm or greater, you just buy 1 of the appropriate size per wheel.
sounds like you're getting testy with your response. comes with the territory when you're asking what (to me) seems like a very basic question. so my apologies for assuming that it was a silly question. we're all noobs at one time or another regarding different things.
sounds like you're getting testy with your response. comes with the territory when you're asking what (to me) seems like a very basic question. so my apologies for assuming that it was a silly question. we're all noobs at one time or another regarding different things.
#33
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some food for thought:
i will bet my GS4 with stock everything could outbrake any cl/tl with brake upgrades, suspension. i own both cars and i know the gs brakes are really strong. they are just amazing and have surprised me many times over. braking has more to do then just the actual brake system.
remember suspension geometry, weight, balance, brake force pressure F/R ratio(brake force applied to front and rear of car) all play a big role.
if the GS was as "light" as our TL/CL, had all suspension upgrades, it would have simply amazing handling. not to mention braking would improve better than it already is. (we stop within 10-15 feet of the best braking cars in the world)
point is the braking system can be substantially improved on our cars, but its limited still.
i will bet my GS4 with stock everything could outbrake any cl/tl with brake upgrades, suspension. i own both cars and i know the gs brakes are really strong. they are just amazing and have surprised me many times over. braking has more to do then just the actual brake system.
remember suspension geometry, weight, balance, brake force pressure F/R ratio(brake force applied to front and rear of car) all play a big role.
if the GS was as "light" as our TL/CL, had all suspension upgrades, it would have simply amazing handling. not to mention braking would improve better than it already is. (we stop within 10-15 feet of the best braking cars in the world)
point is the braking system can be substantially improved on our cars, but its limited still.
#34
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Originally posted by power3dfx
some food for thought:
i will bet my GS4 with stock everything could outbrake any cl/tl with brake upgrades, suspension. i own both cars and i know the gs brakes are really strong. they are just amazing and have surprised me many times over. braking has more to do then just the actual brake system.
remember suspension geometry, weight, balance, brake force pressure F/R ratio(brake force applied to front and rear of car) all play a big role.
some food for thought:
i will bet my GS4 with stock everything could outbrake any cl/tl with brake upgrades, suspension. i own both cars and i know the gs brakes are really strong. they are just amazing and have surprised me many times over. braking has more to do then just the actual brake system.
remember suspension geometry, weight, balance, brake force pressure F/R ratio(brake force applied to front and rear of car) all play a big role.
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#36
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Spacers come in 5mm, 10mm, 15mm, 20mm, 25mm...
Rule of thumb is if you go over 5mm, you should opt for HUB adapters...to be 100% safe if you track the car.
On the CL-S you will need 4-(5mm spacers)... 2 for the front and 2 for the rear... you want to keep everything balanced.
Rule of thumb is if you go over 5mm, you should opt for HUB adapters...to be 100% safe if you track the car.
On the CL-S you will need 4-(5mm spacers)... 2 for the front and 2 for the rear... you want to keep everything balanced.
#37
Senior Moderator
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This is all with stock rims right? What if you had aftermaket 17's? Like 17X8 with a 48 offset, would those clear with out spacers? Or is it a test fit thing? If testing needs to be done, how would that happen? Would the whole kit need to be installed first, or can the clearance be measured?
#38
Originally posted by fuzzy02CLS
This is all with stock rims right? What if you had aftermaket 17's? Like 17X8 with a 48 offset, would those clear with out spacers? Or is it a test fit thing? If testing needs to be done, how would that happen? Would the whole kit need to be installed first, or can the clearance be measured?
This is all with stock rims right? What if you had aftermaket 17's? Like 17X8 with a 48 offset, would those clear with out spacers? Or is it a test fit thing? If testing needs to be done, how would that happen? Would the whole kit need to be installed first, or can the clearance be measured?
as for test fitting, technically, the brake kits should have required clearance dimensions listed somewhere on their website (or by the vendor). and you'll have to measure the distance from the hub out to the inner surface of the spokes of the rims. it's not the easiest nor most reliable method to approach it. (at least i didn't find it helpful).
i ended up needing to ride on 3mm spacers for 4 months until i got new rims.
#40
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I am working on it.. I am going to need spacers for my aftermarket rims... I got 1mm of clearance and I am not risking it on that kind of clearance...
I am awaiting my spacers to be overnighted to me... They were suppose to be here today...
.... maybe they will be here tomorrow..
....
I test fit the stocks and to my surprise there is even less clearance than I thought... I
if a 5mm (1/8 inch) spacer will be enough for the stock rims....
I will let you guys know when I get to the bottom of it.. as for now my car is still up in the air awaiting for some much needed parts.
I am awaiting my spacers to be overnighted to me... They were suppose to be here today...
![Dunno](https://acurazine.com/forums/images/smilies/dunno.gif)
![Dunno](https://acurazine.com/forums/images/smilies/dunno.gif)
I test fit the stocks and to my surprise there is even less clearance than I thought... I
![Dunno](https://acurazine.com/forums/images/smilies/dunno.gif)
I will let you guys know when I get to the bottom of it.. as for now my car is still up in the air awaiting for some much needed parts.