99 Turbo kit on a 94? - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-05-2008, 04:09 AM   #1
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Default 99 Turbo kit on a 94?

Just wondering what the differences are. The main area where i am concerned is the manifold/DP and Intercooler. Would these main parts be interchangeable?
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Old 01-05-2008, 08:46 AM   #2
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if the DP is flanged at the CAT end the flanges wouldn't match from your 99 DP to your 94 cat. cut and weld
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Old 01-05-2008, 01:01 PM   #3
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The main differences between 94 & 99:
EGR fitting - unless you block it off, may be a pain to adapt
Exhaust Flange - easy to fix
Oil Supply Source - easy to fix
Power steering cooler - some interference on a 99, no problem on a 94.

Besides the EGR and exhaust flange, everything should fit just fine. You can cut the old flange off and put a 94 flange on.
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Old 01-05-2008, 04:11 PM   #4
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Thank you very much. Quick Q about the EGR. does it have to be in the manifold or can it be after the turbo. From my knowledge, it should not matter, but i want to be sure.
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Old 01-08-2008, 04:55 PM   #5
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It might throw and engine code if it is post manifold.
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