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Replace M45 S/C with M65?

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Old 02-24-2004, 10:47 AM
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2003 C230
Replace M45 S/C with M65?

Do you guys think this can be a simple bolt-on replacement?


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Old 02-24-2004, 11:30 PM
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why stop there? go for the m120.
Old 02-25-2004, 12:13 PM
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Well, the M65 is similar to M45

In dimensions at least. It's a 1liter displacement instead of .75.
Even if we keep the RPM the same we should see 25% more airflow into the engine, right?


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Old 02-25-2004, 12:52 PM
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at the upper operating range you see about 25% more cfm of flow. at the lower range it's closer to 10%. likewise, any power gain would be minimal at lower revs, and greater up top.
Old 02-25-2004, 02:20 PM
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Originally posted by dswildfire
at the upper operating range you see about 25% more cfm of flow. at the lower range it's closer to 10%. likewise, any power gain would be minimal at lower revs, and greater up top.
Another factor to keep in mind that there will be increased parasitic losses from the larger supercharger, which will be more manifest at low engine speeds.

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