Switching to a lightly modified 1990 Volvo 240 4-pot Girling caliper allowed me to go to vented front rotors and EBC track oriented pads!
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Yesterday I took my E30 (325e sedan) to a brake shop...Both sides got the discs a bit warped and brake pads were uneven, so I got them resurfaced since they were still thick and new brake pads were installed. Right side got corrected and free right away but left side was still stuck even with the new brake pads. ...We discovered the caliper slider pins were bended and got them replaced but still the problem persisted. Guys at the shop told me I needed a new caliper on that side since it could be bended and that's why with the new brake pads it gets stuck since they're thicker. I already got a pair of new ones but will replace them tomorrow. Replaced both sides and now they’re working perfectly fine.
Running Girling 60 dual pot calipers and carriers out of a 1988 Audi 5000 Quattro with 11" rotors from a Corrado G60 up front, a drum-to-disc swap out back with the proper proportioning valve, and a master cylinder out of a 1990 Audi 200 (non-abs). Braided lines feed all 4. Possibly most importantly, all that is run using RBF600. I have run all sorts of different pads over the last couple years but I have found that the car really isn't heavy enough or fast enough to need anything more than OEM type pads (even at track days). I did have to get bigger wheels to fit the front brakes so I found some nice light RPF1 knock-offs. The overall setup feels much firmer than stock and is very easy to live with. The only other nit-pick I can think of is that not all the pads I have tried come with shims (sheets of soft metal that goes between the pad and caliper piston) which leads to extra noise and can be unpleasant. I have found that most of the time, you can just move the shims from the old pad to the new and it works 99%.
The G60 brake pads are roughly 2/10" inch thicker than MKII GLI/MKIII 2.0 pads, which means the calipers will stick out 2/10" inch further, and possibly bind with your wheels. I went through this issue, so I swapped in MKIII 2.0 brake pads and resolved the issue.
The facts are in ... same caliper as the Bimmer 750 il but the brackets are different Below, that twin piston R32/TT/750 il caliper on the BMW 750 il bracket. The BMW and VAG cars DO NOT share the same bracket. 34111163319 Bimmer front, left Right is 1J0615126 & 5B TT 3.2-R32 front with twin 44mm pistons for 334x32 rotors (1ZT set up) Left is brackets for DE Calipers with the single 54mm piston 288x25 mm (1LC set up). More caliper = more rotor = more weight mdt said: This is the difference between the [SUB](late)[/SUB] R32 334mm brakes and the 288mm [SUB](early R32)[/SUB] brakes: This is the [SUB]early DE[/SUB] 288mm set up (# 1K0615124J/23J) VR6 caliper next to the [SUB](late)[/SUB] R32 version: Click to expand... Thumbing through all this saw that you can get a SET of red powder coated Mk IV calipers and carriers for $91.29 INCLUDING the core charge. You'll still need your Mk II or Mk III brake brackets since Mk IV brackets only work on the Mk IV chassis. It's a damn good buy. Can't tell if they have the 38 or the 41mm piston though. Regardless, Audi TT 3.2Q rear brakes ready to bolt on, with the clips and warranty. Sell the p/c brackets to the Mk IV guys and recoup your costs. http://www.rockauto.com/dbphp/x,car...php/x,carcode,1431901,parttype,1704,d,2004_AUDI_TT_QUATTRO_3.2L_V6_Caliper.html Except for the Mk IV rear (aluminum) brakes both of the above options (including girling 60) are heavier than the stock Girling 54's. Those 944 turbo rear brakes getting run as fronts on the Corrado keep coming up because they're alloy, 4 piston and weigh 7.1lb.
Those would be the Girling G60 (not to be confused with the Girling G54 that came on cars with G60 engines). IMHO too heavy and, at least over here, totally overpriced for what they are.
I'm not a fan of the Girling 60 calipers due to the weight of them and also the scarcity of replacement parts (due to low production volume).
AG pads so I assumed AG calipers. Told to order Girling.
G60's didnt clear the 15's i bought. Went with smaller girling 54's with 11" discs instead cause I liked the wheels to much. Ive heard the g60's are heavy pos anyways.
The girling 60's I own are to large and I've given up on wanting to use them. They are stupid heavy and its not worth trying to find another set of wheels just to run brakes that do more harm then good.
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