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Thread: Pro-touring 72 Camaro SS
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05-03-2020 #301Registered User
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- Oct 2016
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- 556
thanks Jay, yes it was not really expensive
today I've compared 3 known brands of Big brake kits who offer 380mm ( 15" ) that should theoricaly fit my new APEX EC-7 18x9" wheels ET31 ( that was the closest offset to match with my last wheels + a 6 to 8mm spacer)
with the help of all templates from the 3 brands we can say now that
Wilwood can't fit it because of the caliper design, SR6X big brake or AERO 6 15"
Stoptech 380x35mm can fit with a 10mm spacer, I've planed to put a 6-8mm spacer, maybe 10mm would be ok, I'll sse it when the outer fender will be in place.
Stoptech 380x32mm can fit with a 6mm spacer
AP Racing Road brake 380x36mm kit can't fit, caliper too large
AP Racing Radical competition 372x34mm kit fits perfectly with the 6mm spacer and maybe without spacer, I did not look at this.
my question is now : which brand do you think is the best for 90% street/strip use and 10% road racing and circuit : Stoptech or AP Racing ?
I don't find a lot of information about Stoptech brakes but AP Racing looks great
https://www.essexparts.com/essex-des...mm-c6-corvette
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05-04-2020 #302Registered User- Join Date
- Oct 2016
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- 556
received today the new 15 mm wheel spacer for rear ( I've planned a 14mm spacer with that apex 19 x10.5 ET22 was the closest offset compare to my last wheel ), it's a 72.56 outside and inside diameter so I was able to fit the 70.3 to 72.56 hubcentric ring and all fits perfect, awaiting for the gorilla ET/Ultra lug nut with a 1/2 shank
last work I never did but usefull for the futur is a floor access door for the fuel pumps and sender.
05-05-2020 #303Registered User- Join Date
- Oct 2016
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- 556
floor access door finished, just need to weld some bolts under the trunk to screw the door in inside the trunk
about the 18" EC-7 wheels, some 380mm kits don't fit because of the corvette hat offset. EC-7 wheels can fit about everry 380mm kits with a BMW hat or an original 2nd gen camaro spindle and rear axle. photo below we can see the AP-Racing 380mm kit for c6 corvette and BMW, corvette hat offset is 0.290, BMW hat offset is 0.750, 2nd gen camaro hat offset is 1.620
as shown on the 3 last photos, the wheel is flat inside and without spacer the wilwood SR6X kit for corvette c6 don't fit, last photo with a 16mm spacer the same kit fits
the problem can be solved by ordering a corvette kit with a custom caliper braket with corvette bolt pattern and bmw offset and a bmw hat or a bmw kit with a custom caliper braket if nothing touch the spindle.
05-07-2020 #304Registered User- Join Date
- Oct 2016
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before spending a lot of money on new bigger brakes, I've just ordered 2 pairs of polymatrix B pads to see the difference between the BP-10 that are offered by Wilwood as base pad on all kits.
later I'll order 2 pairs of 14" rotors to replace the 13.06", the only difference between the 13" and 14" forged narrow superlite kits from wilwood are the size of the rotor and the bolt length that hold the caliper those can be replaced and avaible on summit website
05-08-2020 #305Registered User- Join Date
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05-08-2020 #306