Throttle body dimension

[sierra4000]

Hi,
what is Throttle body diemeter requirement for V6 engine?

2800 ccm
200hp target
7000RPM

Thank You for ideas

Radek

 

[GregLocock]

What's the engine for? what sort of EFI?

 

[MintJulep]

7000*200/2800/6 = 83.33333

 

[sierra4000]

Rally,
MFI - KJetronic

 

[EdStainless]

What does the MFG recommend?
The all have tables for sizing.
Since you are not going for big HP it will seem small.
But if you oversize you give up response and drivability.

 

[sierra4000]

Sorry What is MFG?
Original is 54mm, seems undersized.
Original engine had 150 hp.

 

[EdStainless]

The manufacturer of the throttle body.
The HP does not matter, the question is what is the stock rpm for max power?
If you look at various aftermarket TB sources you will find estimates in the range of 56-62mm if you want max power at 7000rpm.

 

[sierra4000]

Original engine 150Hp/5700 rpm with Throttle body 55mm