10-12-2020, 03:38 PM
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#229
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LMGTFY
Join Date: Mar 2016
Drives: 13 FRS, 91 Miata
Location: Lava Town, HI
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Stock head flows 265cfm.
With the butterfly's so close to the actual valves honestly the sizes on both the kits are way too big.
Read:
https://racehead.com.au/designing-pe...-should-i-use/
Source of head flow
https://dsportmag.com/the-tech/educa...ylinder-heads/
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