would a 48mm TB give me more velocity?
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From: chicago
Car: 87 GTA
Engine: 385 sbc
Transmission: 700r4
Axle/Gears: 2.73 posi
would a 48mm TB give me more velocity?
I currently have a TB the previous owner modified to @ 52mm but the blades hit the walls not allowing the throttle to close fully. I have another stock tpi TB I could use. would the smaller blades give me more velocity with the boost? Its a sn92 pushing 5-7 psi. Thanks for any opinions
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From: Peoria, AZ
Car: 91 Z28, 2000 T/A
Engine: SBC 355, LS1
Transmission: T56, T56
Axle/Gears: 10bolt 3.73, 3.42
Re: would a 48mm TB give me more velocity?
Dont see why velocity at the TB would even matter. It could be a bottle neck running the smaller TB. I doubt you would be maxing out the 48's flow capability though, just might see a slight delay in throttle response.
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