Quote:
Originally Posted by Matt.A
Jody, I believe they're 52mm. I have a feeling setting this up is going to be "fun." Have you ever worked with a similar setup?
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I have run IR setups. Never owned the crossram version though, but I have done tuning on them. My only concern is that the butterflies may be too small if this is a high HP setup, if they are truly 52 mm. It would really depend on what these throttle bodies flow. I had 2 3/16" throttle blades on a 406 small block (55.5 mm) and they were too small for the combo. Made 480 rwhp but was also pulling vacuum at WOT due to the restriction.
Has he said what these flow? The Hilborn setup was only good for 285 cfm according to them in the 55mm size. Maybe these flow more. You'd like them to flow as good as your heads or better, but at least close. You'll love the setup, torque and throttle response are incredible. Plus the looks..........
