Let's talk about Big Brakes
03-04-20, 08:51 AM
#61
Instructor
Thread Starter
I was going to wait two weeks to do this upgrade, but ended up doing it sooner. Thanks to you for opening this thread as well (there's some really good info). My heavy Aristo would appreciate it.
Yea that much of a difference is not a big deal. I'd say variations from different pad manufacturers. However, you just wanna be sure to see how it fits on the other side.
I personally have never had pads to come out, even a little bit from the rotor.
Yea that much of a difference is not a big deal. I'd say variations from different pad manufacturers. However, you just wanna be sure to see how it fits on the other side.
I personally have never had pads to come out, even a little bit from the rotor.
I'm glad this was helpful. I feel like big brakes is one of the best mods you can do to these cars.
When you say "see how it fits on the other side" what do you mean exactly? The other pad on the same caliper? or the caliper on the other rear wheel?
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joemg (03-04-20)
03-04-20, 10:07 AM
#63
Driver School Candidate
Just to confirm if that side is completely covering the rotor. You'll have your answer as to whether it's the pads themselves, or them being set in a certain way or if it's the mounts.
03-04-20, 10:16 AM
#64
Instructor
Thread Starter
I'll probably take pics of everything for documentation purposes now that I really have my head wrapped around this whole thing.
03-04-20, 02:06 PM
#65
For the rear, just 1mm, I dont think it'll make a big diff.
03-27-20, 02:33 PM
#66
Instructor
Thread Starter
I prepped/painted the K17 calipers and now they're installed. This car STOPS. lol
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joemg (03-27-20)
03-28-20, 08:24 AM
#68
Lead Lap
Looks great Joe! Can you take a picture of the full car?
<<>> Never mind. I just saw your other post with the pictures.
<<>> Never mind. I just saw your other post with the pictures.
03-28-20, 08:34 AM
#69
Instructor
Thread Starter
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TitanG545 (07-15-20)
03-28-20, 08:49 AM
#71
Instructor
Thread Starter
TSW Variante with Michelin Pilot Sport 4S
Front: 19x9 ET10 (with 20mm spacer, originally ET30), 245/35/19
Rear: 19x10 ET25, 285/35/19
Note: The rear diameter is +1 size to the front. This happened accidentally through fitment issues on the front (I had to use a smaller tire than I originally thought), but I really love the way it looks/rides now. Also, I'm lowered 30mm front and rear, which made fitting these monsters tricky. I had a specialty shop do some fender rolling/trimming to make it fit, but it doesn't rub and I love it.
Here's my thread on the wheels: https://www.clublexus.com/forums/sc4...-question.html
Last edited by joemg; 03-28-20 at 08:52 AM.
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BlkSabbath (03-12-21)
03-28-20, 09:16 AM
#72
Driver School Candidate
TSW Variante with Michelin Pilot Sport 4S
Front: 19x9 ET10 (with 20mm spacer, originally ET30), 245/35/19
Rear: 19x10 ET25, 285/35/19
Note: The rear diameter is +1 size to the front. This happened accidentally through fitment issues on the front (I had to use a smaller tire than I originally thought), but I really love the way it looks/rides now. Also, I'm lowered 30mm front and rear, which made fitting these monsters tricky. I had a specialty shop do some fender rolling/trimming to make it fit, but it doesn't rub and I love it.
Here's my thread on the wheels: https://www.clublexus.com/forums/sc4...-question.html
Front: 19x9 ET10 (with 20mm spacer, originally ET30), 245/35/19
Rear: 19x10 ET25, 285/35/19
Note: The rear diameter is +1 size to the front. This happened accidentally through fitment issues on the front (I had to use a smaller tire than I originally thought), but I really love the way it looks/rides now. Also, I'm lowered 30mm front and rear, which made fitting these monsters tricky. I had a specialty shop do some fender rolling/trimming to make it fit, but it doesn't rub and I love it.
Here's my thread on the wheels: https://www.clublexus.com/forums/sc4...-question.html
285 on a 10" is a little much, I run 275 in a 10.5, lol. Did you match the tires and wheels yourself?
03-28-20, 09:33 AM
#73
Instructor
Thread Starter
03-28-20, 12:57 PM
#74
I have 285 on 9.5, you can do 295 on 10 
but you have to wider the wheel well for sure.
What's your gas mileage nowadays? Mine is like 17mpg.
but you have to wider the wheel well for sure.What's your gas mileage nowadays? Mine is like 17mpg.
03-28-20, 01:10 PM
#75
Instructor
Thread Starter
I originally wanted 295, but kind of lucky I couldn't find them in the tire I want since this setup just barely fits without rubbing now, and there isn't any more rolling/trimming to be done without real body work.
That's a very good question, I've made so many changes and haven't really been driving it a lot because I didn't want to wear the brakes unevenly until I got the new calipers in there.
I should reset the computer and see where it averages out to now. I think the LSD brought it down, but the intake manifold/exhaust brought it up (if you don't get pedal happy), I think the brakes/wheels/tires made it go up too (likely from the big weight reduction on all of it). That's my anecdotal observation from the limited driving I've done. I'm supposedly having it tuned in May, so maybe I'll report back before that happens on mpg.
Also, I would be willing to bet mpg varies drastically whether you drive with the top up or down because of aerodynamics, especially on the highway. This car is very aerodynamic with the top up, I think it has something like a .31 drag coefficient (for reference, a Prius is something like .29), but I assume that's with the top up. No idea with the top down.