(MARRS-RX7) Rotor question

Owen Schefer owen.schefer
Tue Mar 17 19:58:14 CET 2015


yes it does require 15" wheels.  and I am not sure of the bolt pattern if
the 2nd gen wheels are easy to get or not.  Not trying to create scope
creap in your class but thought it might be worth looking at as I remember
spending more money on rotors/pads than tires when I had my IT7.


On Tue, Mar 17, 2015 at 2:55 PM, Matthew Stutt via Spec7 <spec7 at specrx7.com>
wrote:

>
> I can't speak to the cost of the brake parts, but it would require a
> switch to 15" wheels.
>
>
>
>
> On 3/17/15 2:54 PM, Owen Schefer via Spec7 wrote:
>
> Not sure yet they are still working on it.  The guy from the region down
> there is Pepe (racerpepe at yahoo.com)  I am not sure how close they are to
> it but the more people that wanted to do it might make it cheaper to do....
>
> On Tue, Mar 17, 2015 at 2:50 PM, Mark Wemple <markwemple at yahoo.com> wrote:
>
>>  What would the conversion entail?
>>
>>  Mark D. Wemple, Esq.
>> 359 Dun Robbin Drive
>> Severna Park, Maryland 21146
>>
>>
>> Tel. (410) 987-5831 <%28410%29%20987-5831>/ Fax. (410) 987-1410
>> <%28410%29%20987-1410>
>>
>>
>>
>>    On Tuesday, March 17, 2015 2:22 PM, Owen Schefer via Spec7 <
>> spec7 at specrx7.com> wrote:
>>
>>
>>   I use to have 2 sets of bearings one set  in the new spare rotors
>> ready to go on pre packed in little zip lock bags.  Then when the rotors on
>> the car cracked I could remove and install new ones quick.  I then removed
>> that set of bearings, repacked them and put them in the new set of rotors
>> for the next time...  That way you are not rushing to repack bearings at
>> the track.
>>
>>  FYI - The IT7R guys are working on a kit for second gen brakes - while
>> an investment in the conversion I bet the return on investment would be
>> pretty fast as you wouldn't be replacing rotors every other weekend.
>>
>>
>>
>>  On Tue, Mar 17, 2015 at 2:08 PM, John Maslin via Spec7 <
>> spec7 at specrx7.com> wrote:
>>
>> Matt is right on all points.  I finally got the Harbor Freight press
>> kit.  Until then I used old races to hammer the good races in.  It worked
>> but was harder.
>>
>> On Tue, Mar 17, 2015 at 7:55 AM, Matthew Stutt via Spec7 <
>> spec7 at specrx7.com> wrote:
>>
>>
>> For what it's worth, I never ruined a bearing race during installation or
>> removal.  For the install I used a Harbor Freight aluminum bearing race
>> press tool
>> <http://www.harborfreight.com/10-piece-bearing-race-and-seal-driver-set-95853.html>.
>> For removal I used a very large punch.  Bearings aren't what I would call
>> cheap, especially given how often rotors need to be replaced, so I would
>> recommend at least trying to remove them from your old rotors.  Worst case
>> you lose 10 minutes of your time.
>>
>> Great point about carrying loaded spare rotors.  You will need them.
>>
>>
>>
>>
>>
>>
>> On 3/16/15 10:42 PM, johnnythegreek58 via Spec7 wrote:
>>
>> I would buy new bearings. Chances are they will get damaged on removal.
>> That way you start off fresh if your not sure of there condition or can
>> see signs of wear.
>> Also bring AT LEAST one full set of front brake rotor bearings incase you
>> crack a rotor while racing and need to replace. Its a pretty easy fix and
>> common issue.
>> Johnny The Greek #27
>> On Mar 16, 2015 9:26 PM, "John Maslin via Spec7" <spec7 at specrx7.com>
>> wrote:
>>
>>  The front rotor and hub are one assembly, not separate, which means you
>> have to remove the bearing and race from your old hub to repack and
>> reinstall in the new hub, or replace them.  Many of us use Brembos as a
>> higher quality choice.  Make sure you get the one for 12a cars.  The 84-85
>> 13b optioned cars have different brakes.  To remove the bottom caliper
>> bracket bolt, use a 14mm box wrench and wedge in a screwdriver against
>> it to maintain leverage.  You may not need the screwdriver if you have a
>> thin offset box wrench.
>> John
>>
>> On Mon, Mar 16, 2015 at 7:34 PM, Michael Root via Spec7 <
>> spec7 at specrx7.com> wrote:
>>
>> When replacing the front rotors & pads do I need just new rotors or do I
>> need the "rotor and hub assembly"? I would assume just the rotors, but I
>> haven't done this job yet and I'm usually wrong about parts...
>>
>>  --
>>  v/r
>> Michael J. Root, PMP
>>
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>>   --
>> --
>> M. Stutt
>>
>>
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>
>
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> --
> --
> M. Stutt
>
>
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