(MARRS-RX7) Rotor question
Wed Mar 18 02:39:36 CET 2015
Parts of her still live on in my car Danny...
Your engine is sleeping in my garage still waiting to go in my 2nd specRx7.
Johnny The Greek#27
On Mar 17, 2015 8:13 PM, "DANNY MATULA via Spec7" <spec7 at specrx7.com> wrote:
> As for the blues fading on me it was prior to having the ducts on and my 7
> was a porky car until it went on weight reduction. And I was working hard
> on my braking techniques that day. By the time I was at the school I don't
> think any of the spec miatas were braking as late as I could with the 7
> witch was a lot of fun .. damn I miss that car..
> On Mar 17, 2015 5:05 PM, "Matthew Stutt via Spec7" <spec7 at specrx7.com>
>> More data points, please. Does anyone else care to share their costs
>> for tires vs. brakes?
>> It's been awhile since I raced one of these, but I think I was getting
>> 4-5 race weekends out of a set of tires. IIRC, a set of tires was in the
>> ball park of $600 dollars after paying for shaving, mounting and balancing.
>> Brake rotors would last me 3-4 weekends. I did have the fancy Mazdacomp
>> backing plates and good ducting. Pads would last marginally longer if I
>> really pushed it. My target price for rotors was $20 or less. Back in '07
>> it wasn't at all hard to hit that target. I don't remember what pads cost
>> anymore, but I'm fairly confident a set of blues is ~$100.
>> Perhaps the prices are changed, but the cost of brakes never struck me as
>> prohibitively expensive or otherwise out of whack.
>> Some miscellaneous notes on brakes while I'm thinking about:
>> - Cryotreating makes no difference. Tried it, same longevity.
>> - Summit Point is very hard on brakes. I suppose it's down to having
>> two heavy braking zones so close together with little opportunity to cool
>> the brakes between.
>> - When you setup your cooling ducts, duct the air into the center of
>> the rotor so it flows into the vanes of the vented rotor. The backing
>> plates sure do make this easy, but creative use of zip ties can get you
>> - Bleed your brakes after every weekend. Brake fluid is cheap, and
>> this will ensure that you never have fade problems.
>> - Regarding the above point, if you make a hawk blue fade you are
>> doing something incredible.
>> - The soft springs are a factor in why Spec7s are so hard on front
>> brakes. Lots of load transfer under braking.
>> On 3/17/15 4:11 PM, johnnythegreek58 via Spec7 wrote:
>> I know spec RX7 is a spec class to save money but like someone else said
>> "I spend more money on rotors then tires". Thats true for me as well.
>> M. Stutt
>> Spec7 mailing list, http://specrx7.com
>> Archives, subscribe/unsubscribe, manage your account:
> Spec7 mailing list, http://specrx7.com
> Archives, subscribe/unsubscribe, manage your account:
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Spec7