i think i am going to bore my throttle body myself. (I'm a machinist) anybody done this before and have some suggestions. i know i need to make a new butterfly. prolly going to make mine out of aluminum. any input on good size for big 16g turbo setup on f22b would be great also. wish me luck.
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1990 Accord LX Sedan~Sold
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1995 Suzuki GSX-R 750~Totaled -
GO as big as you can go without sacrificing the rigidity of the throttle body. Remember, you're gonna have a tight ass clamp on your throttle body holding on a coupler that is holding in boost.
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Not trying to thread jack, but it'll save me from posting a new thread. I just got a hold of an H22 upper and iab plate. I didn't get the tb, my question is what size will be good to go with?
86 4Runner - 22RE 5spd, 4" Lift, 35x12.5R15 BFG Km2's, 4.10 gears
"The Turtle"
DD/Trail Rig/Mud BugComment
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Unless you plan on having the plenum matched to the throttle body, you are stuck using a 60mm throttle-body on your h22 plenum, you could have the throttle body tapered so the mouth/opening is larger, but at the plenum you can't go any larger then 60 (without modification). Now back to the OP...Originally posted by 93F22A6 View PostLast edited by cloudasc; 06-15-2009, 06:19 PM.Comment
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All would need to do is enlarge the hole correct?Originally posted by cloudasc View Post
86 4Runner - 22RE 5spd, 4" Lift, 35x12.5R15 BFG Km2's, 4.10 gears
"The Turtle"
DD/Trail Rig/Mud BugComment
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is the IM 60mm? if so what good is making the TB larger?
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To use a larger then 60mm Throttle Body, yes you will have to enlarge the hole on the plenum.Originally posted by 93F22A6 View Post
Yes the opening from the Throttle Body on the Intake is 60mm. Making the throttle body larger allows more air to enter the intake/engine. More Air = More Power.Originally posted by Orlando_CB7 View Postis the IM 60mm? if so what good is making the TB larger?
Enlarging the throttle body also changes and lowers the Manifold Air Pressure at different throttle positions compared to a smaller throttle body.Comment
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