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Flat/square top IM - clean up?

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Old 04-14-2023, 01:38 AM
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Default Flat/square top IM - clean up?

About to fit mine to my boosted 04.

Apart from cosmetics, are there any standard fixes/light modz to improve flow? I have searched and maybe my google-fu is sub-par, but I couldn't find anything. Or perhaps there is nothing to find?

If I have failed to find an existing thread, happy for this to be closed/merged.
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Old 04-15-2023, 08:08 PM
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I have the Skunk2 TB so widened the intake to match it, eliminated the internal casting "bumps" and improved the flow out of the rear runner.
See Lokiel's flat-top modz and subsequent posts.
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Old 04-15-2023, 08:25 PM
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Is there dividends in carving out the EGR chambers?
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Old 04-15-2023, 08:51 PM
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Mine are blocked off since the MS3 isn't dealing with them.
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Old 04-15-2023, 11:47 PM
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Thanks Lokiel, I was planning on port matching the Junk2, I will look deeper into your experience as linked, missed that in my searching. Interestingly I did the porting trick on the racecar, but for reasons unknown neglected this task on the new car .

I have an air driven die grinder, last used to clearance the FUCA strengthening plates. I will get some of those Dremel bits too for the finer work.
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