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03-25-2021 #1Registered User
- Join Date
- Apr 2010
- Location
- Portland, OR
- Posts
- 357
73 Firebird with C5 brakes upgrade to Willwood Areo or FNSL
So going next stage on suspension and ended up doing a nine inch with my speedtech torque arm and DSE tubs. So thinking with wheels needing to be measured and ordered I should get my final brakes figured out.
Currently I have C5 brakes all the way around. I haven't driven car enough to know how good they are. I do have a wilwood I believe 1 inch MC tandem cylinder and Hydroboost (which I may remove now that I have a cam with vacumn)
Car is more for fun and enjoyment. I would like to do some events but if I was going all out I'd probably focus on my c6 z06 for that. I do want something that feels good and looks good to drive anywhere..which is why I love protouring
18 or 19's wheels probably Boze Clutch. Leaning towards 19 for the tire selection but man that is a big rim for the older cars!
Front suspension is speedtech streetfighter with atx spindle I think.
So contemplating finding a good bracket and parking brake for the nine inch to continue to run C5's. But leaning heavily into going with big Wilwoods. MCB quoted me two ways to go:
Areo 4/6 with 14 inch rotors front and rear. Seems weird to run the same rotors front and rear....
FNSL 4/6 with 14 inch rotors in front and 12.88 inch in the back
I can't really find the differences of these two setups other than rotor size in rear and the Areo looks like a solid caliper. Any feedback, real life experiences is the Areo worth the $700 bucks more?
Or do I have enough brake already and get a quality bracket\parking brake for new rear?
Bobby1973 Firebird 466 Pontiac, T56, C5 Brakes, PTFB and Hotchkis suspension
2011 Camaro SS Supercharged, ZL1 body and brakes, Z28 suspension.
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03-28-2021 #2Registered User
- Join Date
- Aug 2007
- Posts
- 645
Tons of different brake pads for C5's depending on your intended use.
On my 68 C10 I used C5 brakes all around. The wheels were 20" so they made the 13" front rotors look a bit small. I changed out the 13" front rotors with 14" ZO6 rotors. The spindle hole is the same. The swept area is the same as the C5 rotor. I remade the caliper bracket moving the caliper out 1/2". Worked great. I did it mostly for looks.
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03-28-2021 #3
If you took the Aero6 with a 4.04” piston area or the FNSL with a 4.04” piston area, you would not be able to tell the difference during normal driving. The Aero’s do have a few advantages especially when using them hard. They have larger pads, more rigid caliper, and I think use a 1.25” rotor as opposed to the FNSL 1.1” wide rotor, etc. So on a street cruiser, pick what looks cool and fits your budget. If you really plan on driving the car hard or tracking it, go with the Aero’s.
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