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OEM one piece 3mm apex seals???
Just cruising Yahoo auction website and came across a new set of OEM apex seals, one piece and 3mm
It even showed the Mazda OE part number ZR 311 C01 Anyone familiar with this? Is this an uprated apex seal from Mazda? |
zr03 is the 13G, the 3 rotor race engine.
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What material?
Carbon/aluminum? |
no info on that... it was just a set on sale. I figure, there are more or you can just order them
they went for about 60.000 JPY, which is about 3 times the normal price. |
3 Attachment(s)
Here are some pics to back up my find
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bump
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Yes, carbon/aluminum seals
Mazdacomp says SEAL, APEX Part No: ZR03-11-C01 The regular price is $64.30 The sale price is $45.90 The Yahoo auction states this was the seal kit from the Mazdaspeed "sports kit" engine. Don't know if that is correct but "sports kit" 13B was the "over the counter" available to public kit launched in 1978 to make 13B into a dry sumped 13B peripheral port for racing as to homologate peripheral port engines in Grand Championship Series racing. ------------- Looks the same to me as SEAL, APEX Part No: 4801-11-301 The regular price is $63.65 The sale price is $45.45 ------------- special race springs for carbon/aluminum apex seals APEX SEAL SPRING-13B Part No : ZR03-11-C04 The regular price is $10.75 The sale price is $7.65 $7.65 |
Originally Posted by BLUE TII
(Post 9503058)
Yes, carbon/aluminum seals
Mazdacomp says SEAL, APEX Part No: ZR03-11-C01 The regular price is $64.30 The sale price is $45.90 The Yahoo auction states this was the seal kit from the Mazdaspeed "sports kit" engine. Don't know if that is correct but "sports kit" 13B was the "over the counter" available to public kit launched in 1978 to make 13B into a dry sumped 13B peripheral port for racing as to homologate peripheral port engines in Grand Championship Series racing. ------------- Looks the same to me as SEAL, APEX Part No: 4801-11-301 The regular price is $63.65 The sale price is $45.45 ------------- special race springs for carbon/aluminum apex seals APEX SEAL SPRING-13B Part No : ZR03-11-C04 The regular price is $10.75 The sale price is $7.65 $7.65 |
could this be an upgrade for a 13B-Rew when going with 3mm rotors?
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Originally Posted by Speedworks
(Post 9503887)
could this be an upgrade for a 13B-Rew when going with 3mm rotors?
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Just trying to make sure they are suited for turbo applications...
going with a 13b REW with GT40R |
No, not at all suitable for forced induction applications.
Even naturally aspirated detonation from too much spark advance can cause them to break up. NSU couldn't keep carbon seals together because they insisted on using a centrifugal advance mechanism. |
carbon seals + boost = bad idea. i was cautioned against detonation with carbons on an N/A...
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