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#11 |
![]() Join Date: Jan 2012
Location: Florence, SC
Posts: 1,343
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My original post was just asking for some feed back on a few replacement rotors...not a "who's got the biggest" pressure generating system. My Z's not a track car. If it was then I'd be interested in Learning more about Bobs system. So what about rotors guys? Anybody got anything else to add?
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Jim Zorgias ![]() 1994 ZR-1 Admiral Blue/Black #245 1996 Callaway Supernatural 450 1990 Callaway Supernatural 490 / CR-1 #7 |
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#12 |
![]() Join Date: Oct 2013
Location: Wichita Falls,Tx
Posts: 604
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Clint & Sherry 1994 ZR-1 White/Red #152 (sold) 1991 ZR-1 Callaway Aerobody #1332 (sold) 1990 ZR-1 Red/Red #952 (sold) 2002 Z06 Torch Red/Mod Red widebody |
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#13 |
Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
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What USA said.
Be cautious of brake upgrades. The stock J55 setup is a pretty good compromise between stopping and living with the system, although I would prefer a larger master cylinder bore and more rear bias in our ZR-1s. It's pretty easy to wind up with expensive to maintain components that are waaaay too noisy and dusty for street use. A lot of the "upgrade" pads are not designed to work when cold - which is how most street brakes spend their time. I have found that the Carbotech AX6 is a great "cold" brake pad but even that needs me to drag the brake pedal a bit before first real need. It is wildly dusty and a little bit noisy, but the dust is very benign - doesn't eat your paint (like many do). And when it comes to rotors, the drilled ones just give you more places for cracks to start. If you must have holes look for cast-in ones, which I don't think you'll actually find. HTH, - Jeff
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[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's DRM chip/Watson/Borla/lid/LW batt&headlights, springs, shocks, pads & lines, quick rack & Turn One, camber brace, 32/22mm sways, A/C halfway deleted 17x11 & 12 CCW's, 315 & 335 Hoosier A6s [/I] |
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#14 |
Join Date: Mar 2010
Location: Fort Worth, TX
Posts: 396
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#15 |
![]() Join Date: Jun 2005
Location: CenCoast California
Posts: 899
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Unless you are racing or maybe you need to have calipers which are bigger and more colorful to give your car a badder look, the stock brakes on a ZR-1 are pretty darn good.
If you need an upgrade but are looking for a bolt-on, high-bang-for-the-buck modification, I'd try a slightly more aggressive brake pad, one of those aftermarket front air dams with brake ducts along with a fluid flush. |
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#16 |
![]() Join Date: Apr 2004
Location: ATL. GA.
Posts: 2,168
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I just dressed up my stock calipers until I find a set of 96 GS calipers
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Steve 1990 Steel Blue/Black #2355 1990 Red/Red #1473 1991 Quasar /Black #118 Sold 1991 Turquoise/Black #766 Parted Out 1993 Yellow/White #179 Sold 1990 Black/Gray #1361 Headers/4:10s Sold |
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#17 |
Join Date: Jul 2013
Location: Mt.Bethel Pa.
Posts: 73
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nice
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1990 Zr-1 #361 1991 GMC Syclone (built) 1993 GMC Typhoon (stock) 1993 GMC Typhoon (street) 1992 GMC Sonoma GT 1928 Model A pick up |
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