240z FIA head and calipers?

jonbills

jonbills

Membership Secretary
Site Administrator
Albrecht said:
These are vernacular terms, often wrongly applied.

As you've already pointed out up-thread, even the factory stock brakes could be termed 'FIA brakes'. Anything mentioned in the FIA homologation, or evolutions/amendments of it, are technically 'FIA compliant'. The question is more a case of what rules the competition is running to.

I would imagine the car in question is fitted with Sumitomo MK63 4-pot brake calipers, either the vented rotor type or the skinnier sold rotor type. They were homologated for Appendix K competition use in the FIA 3023 fiche.
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well that was too easy to put to bed :) am I right the solid rotors in question are the standard rotors? I think that would be my ideal combination - mk63 calipers on stock rotors.
 
SeanDezart

SeanDezart

Well-Known Forum User
Infreqently makes much difference for the car - the importance is walking away however unsteadily.

Trackdays = good suspension, brakes, a half-cage and a crash helmet...and if you can fit a fire extinguisher in there as well !
 
Albrecht

Albrecht

Well-Known Forum User
jonbills said:
...am I right the solid rotors in question are the standard rotors? I think that would be my ideal combination - mk63 calipers on stock rotors.
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Yes, the narrow - solid rotor - type MK63s used stock 2-pot type rotors. Watch out, however, for offset difference between 'early' and 'late' type front hub castings. The 'early' scalloped type are roughly pre-August '73. The 'late' non-scalloped type are roughly post-August '73.
 
jonbills

jonbills

Membership Secretary
Site Administrator
Albrecht said:
Yes, the narrow - solid rotor - type MK63s used stock 2-pot type rotors. Watch out, however, for offset difference between 'early' and 'late' type front hub castings. The 'early' scalloped type are roughly pre-August '73. The 'late' non-scalloped type are roughly post-August '73.
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Thanks Alan. Do the mk63s only work with the earlier hubs?
 
Albrecht

Albrecht

Well-Known Forum User
jonbills said:
Thanks Alan. Do the mk63s only work with the earlier hubs?
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More to the point, the rotors have to match the hub type. They will theoretically be a straight bolt-on for a stock hub/rotor combo.

Watch out for heat-induced fade on the solid rotor type. Some pad compounds are worse than others. On my first Z I bolted on the solid rotor type MK63s and they were great for most situations, but repeated hard stops in short succession saw heat build up and fade, Hard pedal but less stopping power. Some ducting would have helped I think.

Vented rotor version gave much better resistance to fade. I run them on all my cars now, including the KPGC10. ENDLESS make pads for them which are a big improvement over the old Ferodo-derived compounds.
 
SeanDezart

SeanDezart

Well-Known Forum User
Right, sussed it (my memory needed a touch of Red Bull). A genuine DJR car owned by his brother or brother in law.

The photo with the deep front spoiler was how it was before the others without.
 

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Rob Gaskin

Rob Gaskin

Treasurer
Staff member
Site Administrator
SeanDezart said:
Right, sussed it (my memory needed a touch of Red Bull). A genuine DJR car owned by his brother or brother in law.

The photo with the deep front spoiler was how it was before the others without.
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Sean, I think the deep front spoiler pic is another car known on here.
 
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