Can I port my eta's head to match an i's manifold myself or is it best left for a machine shop to do?
Port work
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You might as well get the i head and get better flow for less work.'89 325i track sloot
'01 530i daily
-Enginerd -
There isn't enough meat on the eta heads port to enlarge them anywhere near that amount.Tenured Automotive Service Professional - Avid BMW Enthusiast
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"We praise or find fault, depending on which of the two provides more opportunity for our powers of judgement to shine."Comment
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what about the old 323 heads. can those get as big as the I ports?Comment
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Tenured Automotive Service Professional - Avid BMW Enthusiast
Vapor Honing & E30 ABS Pump Refurbishment Service
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