This is topic Throttle body in forum Tech Talk at Northern California Ford Owners  .


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Posted by kuku93 (Member # 14014) on :
 
So I bought an trick flow series r intake with a 75mm upper intake. My question action is since I'm running a 347. Can I put a 90mm throttle body on it or just the 75mm
 

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Posted by NEIGHT (Member # 8741) on :
 
Well if the opening is only 75mm then 75mm is the max you can/should put on unless you get someone to make a bigger opening.
 

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Posted by SLOWSN95 (Member # 8269) on :
 
You have 32oz of water, can you fit all 32oz in a 12oz bottle? Same concept.

Stick with a 75mm.
 

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Posted by kuku93 (Member # 14014) on :
 
Thanks lol I just though I had a 90mm opening but I check it was a 75mm.
 

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Posted by CobramanPhil (Member # 2170) on :
 
Generally the more volume in your intake track the more sluggish the throttle response for a sudden opening of the throttle (however it will have a better top end). You will have to decide on where you spend 90% of the time or if you are just hunting for that 10% where you may want to be (say a strictly drag car).

If the intake opening is 75mm then a 75mm t-body would be best (especially if it is a smooth transition between the throttle body opening and the intake opening).

[ 2016-06-22, 02:47 PM: Message edited by: CobramanPhil ]
 

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