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Bore throttle bodies or not

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Frederick View Drop Down
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    Posted: October/08/2019 at 9:55am
I was reading good things about bored throttle bodies. I am thinking to bore my 44 throttles to 47. Do you have any experience/records on throttle mods? Performance gains, ET gains, etc.

Bored throttles will give me a better air flow, but air velocity will suffer...how important is velocity vs flow?
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Brock View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brock Quote  Post ReplyReply Direct Link To This Post Posted: October/08/2019 at 11:05am
Frederick,

The gains are really dependent upon the engine. For example, 47mm TB's on a stock-2-brock configuration RWHP... the same TB's on a big motor were worth around 7 RWHP.

Hope this helps,

Brock


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