3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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'99 Spec Twins

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Old 10-23-06, 03:52 PM
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'99 Spec Twins

Can anyone post a picture of the '99 twins or tell me what's stamped on the housings? Thanks in advance.
Old 10-23-06, 06:24 PM
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They carry different P/N. N3C1 is the stock and N3G1 is the 99 Spec.

BC
Old 10-23-06, 07:42 PM
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I think you've got that wrong. I should've searched with the part number stamped on mine. N3A1 are the US twins, N3CI are the '99 twins, and N3G1 are the RZ twins.
Old 10-24-06, 01:50 PM
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try a forum search for "N3G1"

Originally Posted by XxMerlinxX
I think you've got that wrong. I should've searched with the part number stamped on mine. N3A1 are the US twins, N3CI are the '99 twins, and N3G1 are the RZ twins.
Maybe N3A1 was an early year, my stock 1995 are N3C1

Last edited by dhcernese; 10-24-06 at 02:00 PM.
Old 10-28-06, 02:46 PM
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N3A1 should be for 93 and N3C1 is for later model. The 99 Spec is N3G1.

The P/N were pulled off from Mazdamotorsport webpage.


Originally Posted by BC-FD3S
They carry different P/N. N3C1 is the stock and N3G1 is the 99 Spec.

BC
Old 10-28-06, 11:21 PM
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The easiest way to check is to look inside the compressor housing, there should be a black plastic liner inside the housing. Thats how the 99 turbos have a tighter tolerance between the compressor blades and the housing. Its called an abradable seal.




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