Quote:
Originally Posted by Tokay444
Because the restriction is in the diameter.
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It seems like they are using 4AGE 20v ITBs. The start of the thread lists the throttle sizes as 45mm for the Sard and 48mm for the Greddy. I would have thought the 48mms would be enough for this motor. Do we know which was used in for this dyno? The Sard does seem to have a greater volume plenum and shorter runners which I think would be preferable. Maybe a mix and match would net better results. I also know you can get 50mm TBs from people like Toda. So if its only the TB size that is restricting things there are ways around that if you are prepared to spend a little extra.