dual runner swap.
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Junior Member
Joined: May 2003
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From: brooklyn, ny, usa
dual runner swap.
HI, If I put the dual runners from a f22a6 motor on my f22a1 will I have to make any modifications to my ECU. because the ones on the f22a6 has 8 openings vs 4 for the f22a1. thanks for the info
New User
Joined: Oct 2001
Posts: 3,189
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From: Bloomington, Indiana, USA
Re: dual runner swap. (vtec fan)
yes, the butterflies are activated by the ecu...you will either have to use the f22a6 ecu or swap to an ecu that makes use of the dual runner intake...
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