SPL brake duct clearance?

[OptionZero]

Anyone else have clearance problems with their SPL brake ducts? I'll call Kuah when everyone opens up again on Tuesday, but i'd like to know if anyone's experienced any issues.

I have 17x9 +15 rims in the front of my s14, and on full lock the ducts hit the inner edge of the rim whenever the suspension is compressed. Basically then, I steer in to go up a driveway, say, on the right. Right front wheel is up on the driveway, left front coilover is compressed because the weight's thrown that way...and thats when i get the crunching. My left front's pretty chewed up.

I'm fairly certain I installed them correctly...two small screws go on the tension rod, one larger bolt and nut go into the lower control arm IIRC.

[ThatGuy]

I haven't installed mine yet, still waiting on the Tension rods to come in off back-order. I'l let you know if I have any issues on my S13. I'm running 15x7 +20 right now in the front. I'll be running 18x9 +15. I'll let you know if either rubs.

[OptionZero]

Static suspension it seems like there's room...i just don't see any other way around the problem when the suspension's at work.

Trimming would solve it, but looks like i'd have to trim a healthy amount off.

just spoke to another s14 driver and he's experienced it to.

[TurDz]

Well from the way I saw you install them, you put them on right. I can see how there are rubbing problem though...it doesn't look too good in terms of clearance during suspension bump.

[sideview_180sx]

on the SPL site it says upon install to crank the wheel hard and bend the ducts to have them conform better, afterwards. Take a hammer to it for added clearance.

[OptionZero]

I didn't see that install page on the SPL site, thanks!

I just took 'em off and don't feel like goin out to put 'em back on...when I do i'll take a hammer and trimmer to them.

[sideview_180sx]

http://www.splparts.com/doc/TensionRods/default.htm bottom of the link.

[TurDz]

It sucks they didn't come with instructions on the box.

[projectRDM]

The OE S14 ducts in Japan can have clearance issues as well with aggressive lowering, so anything larger definitely will.

[andrewmp6]

or use these http://www.raretrick.com/index.asp?cat=1907&Page=1&Display=Yes&Back=Listings&ProductsID=7028

[Dousan_PG]

i have them
my car is stupid low
and i use low offset wide wheels

I DO NOT RUB


ive done a few events w/ it daily drive it

I DO NOT RUB

there is NO rubbage
i know first hand


there is your answer


ill get pics later of them
super easy install.

and did i say it DOES NOT RUB

[KA24DESOneThree]

No offense dude, but did you read the thread at all?

He knows first hand that there IS rubbage.

[OptionZero]

yes, I saw the two pieces physically touching, and I can post a pic of my bent up duct. They are installed correctedly bar the part about trimming/bending.

Maybe I should get a super lower offset wheel.

[Dousan_PG]

tkae pics of how they are installed. i want to see. ill get pics of mine too. did you mount the side so the duct has 'more duct' above the TC rod? not below...

i cant describe stuff.

like i said ill get pics later

i ran them w/ and w/o spacers to see how it was.
17x9 +18 and 17x9 -3 235/40 tires as well as 215/40 tires

[OptionZero]

Sorry to SPL for stealing bandwidth:

http://www.splparts.com/doc/TensionRods/SPLV2TensionRod_2.JPG

Exactly as shown (This pic is from SPL's own install page, found here: http://www.splparts.com/doc/TensionRods/default.htm )

The two smaller bolts are where the T/C rod is. The larger bolt is the FLCA. As you can see, the there is "more" duct below the line where it mounts to the rod then above.

tire size is 225/45/17, although i'm not quite sure how big (if any) difference that could possibly make

[SoSideways]

I wanna see how you mounted your's Dousan!

Take pics!

[Dousan_PG]

yeah i wont get my car back for maybe another day or 2
but ill get the pics then for you!!

thsoe are terrible pics on the SPL site! YIKES!!

[[email protected]]

Anyone else have clearance problems with their SPL brake ducts? I'll call Kuah when everyone opens up again on Tuesday, but i'd like to know if anyone's experienced any issues.

I have 17x9 +15 rims in the front of my s14, and on full lock the ducts hit the inner edge of the rim whenever the suspension is compressed. Basically then, I steer in to go up a driveway, say, on the right. Right front wheel is up on the driveway, left front coilover is compressed because the weight's thrown that way...and thats when i get the crunching. My left front's pretty chewed up.

I'm fairly certain I installed them correctly...two small screws go on the tension rod, one larger bolt and nut go into the lower control arm IIRC.

I have not encountered this before (and I run 17x9 +35), but it is possible if you are not running much static camber and/or running relatively soft springs, from the geometry due to the duct being slightly offset from the centerline of the lower arm. The easiest solution would be to just trim or bend that edge of the duct; we designed the duct to be as large as possible and cheap so they can be easily modified and replaced (unlike the $200+ Nismo duct). I recommend you bend that edge in towards the centerline of the lower arm (ie. towards the front of the car).

[OptionZero]

by center line, you mean the ridge along the bottom of the LCA right?
anyways...i've got -2ish camber in front, and the apexi n1 type v (8kg). Damping is set at full soft in front for daily driving on shit roads.

Remember..i was going up a ramp, so that puts more weight than normal driving.

For all posters, bear in mind, i'm not complaining about the quality or design of the SPL part at all, I didn't see the install instruction website on SPLparts. What kuah said (and others mentioned) bending or trimming will work and it's not that hard.

I just wanted to know if this was a common problem.

thanks for the input, all

[[email protected]]

by center line, you mean the ridge along the bottom of the LCA right?
anyways...i've got -2ish camber in front, and the apexi n1 type v (8kg). Damping is set at full soft in front for daily driving on shit roads.


By center line I meant the line connecting the 2 pivot points of the LCA -- the ball joint and the inner bushing. Anything placed along that line would not be affected by the wheel rotation, only vertical travel... it should also give a little more clearance to the wheel. Try bending it a little and see if that helps, if not you might need to resort to trimming that edge of the deflector.

[stuntman240]

6. Put the wheel on and rotate to full lock in both directions. The caliper will hit and bend part of the deflector when you first rotate to full lock, that is normal. Check for rubbing against wheel (especially 16" and smaller wheels) and trim/bend deflector as necessary.

[OptionZero]

Thank you for posting without reading the thread.

[xagna]

Anyone else have clearance problems with their SPL brake ducts? I'll call Kuah when everyone opens up again on Tuesday, but i'd like to know if anyone's experienced any issues.

I have 17x9 +15 rims in the front of my s14, and on full lock the ducts hit the inner edge of the rim whenever the suspension is compressed. Basically then, I steer in to go up a driveway, say, on the right. Right front wheel is up on the driveway, left front coilover is compressed because the weight's thrown that way...and thats when i get the crunching. My left front's pretty chewed up.

I'm fairly certain I installed them correctly...two small screws go on the tension rod, one larger bolt and nut go into the lower control arm IIRC.

I have 17x7.5 32 offset and have no contact. But they come very close.

[that180guy]

kinda ot, but whats the max adjustment for the spl tc rods.

[chmercer]

enough to hit your wheels on the back of your bumper

[Dousan_PG]

here's mine

http://i29.photobucket.com/albums/c252/dousan/Picture042.jpg

[OptionZero]

so basically you mounted them upside down

[Dousan_PG]

did i ? seemd to fit best imo this way when i did it

[OptionZero]

you never thought about what that 3rd hole was for?

[Dousan_PG]

nope
i just slapped them on when i was doing a ton of work under the car on the lift.
they dont rattle or make any noises or anything.
fit perfect
so i left it.

seems to work fine, apparently w/ the type of problems u are having.

[EchoOfSilence]

hmm, i think that 3rd bolt is there for a reason, but you driving as crazy as you do seems to say the 3rd bolt isn't needed? Seems that the hole should be on the other end of that axis

Damn, Kuah... come back.

[[email protected]]

hmm, i think that 3rd bolt is there for a reason, but you driving as crazy as you do seems to say the 3rd bolt isn't needed? Seems that the hole should be on the other end of that axis

Damn, Kuah... come back.

Yeah Aaron got it upside down, the idea is to deflect air passing under the car towards the brakes, so you want it to hang down as low as possible

[Dousan_PG]

haha i do? i wont flip them though...beeecause..
you can see them straight thru my bumper opening...the ORIGIN bumper has a huge opening and u can see my brakes wheels and tires and such thru that opening on each side. works fine for me :)

i have no linings and fender business. just open!
here's a pic
http://i29.photobucket.com/albums/c252/dousan/Picture036.jpg

[[email protected]]

haha i do? i wont flip them though...beeecause..
you can see them straight thru my bumper opening...the ORIGIN bumper has a huge opening and u can see my brakes wheels and tires and such thru that opening on each side. works fine for me :)


With a bumper opening that big that would work too :)