Quote:
Originally Posted by Hawk77FT
CFm - after my intake manifold extrude honing.
Runner before after
1. 431 472
2. 433 474
3. 430 471
4. 427 468
Hope this helps
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what did the honing end up costing you?
ive always tossed up the idea of doing that to the 2017 and sandblasting the outside and having it thermal coated to prevent heat soak.