1.8 vs 1.6 Exhaust Manifold Position Difference - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-30-2008, 03:53 AM   #1
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Default 1.8 vs 1.6 Exhaust Manifold Position Difference

Is the exhaust manifold position drastically different on a 1.8 (vs 1.6). I have HOT SIDE intercooler piping from a 1.8 BEGI System 4.2. However, I have a 1.6.

Is it just a difference in deck height? Or will the piping require different turns too?

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Old 01-30-2008, 10:40 AM   #2
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the motors sit almost identical, im sure the intercooler piping will be very similar, some massaging may be required...the biggest difference will be how your turbo is clocked

pics would help...
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Old 01-30-2008, 11:38 AM   #3
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The manifolds are relative the same size. The bolt patterns and EGR adapters are different. So it would be reasonable that the tubes *MAY* fit depending upon accessories (a/c, PWS), and turbo size. The tubes for a T28 are different than those for a T2560 or T2554. Some altereration to the tubes may be needed.
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