Throttle body

**s2_bo** · 6 January 2008, 12:10

Originally posted by Pirvu Eugen

Hello!
Somebody knows what diameter has the oem 3B engine throttle body?
I saw upgrades to 80 and 100mm but oem?
Thank You !
Eugen

ID is 70mm

IMG_4098.jpg

If you upgrade you would need to increase the size of all your intake pipework too otherwise there is little point.

**Pirvu Eugen** · 6 January 2008, 12:16

Thanks!
No, I whant to calculate the first plenum diameter.:mischeif:
I will use the oem throttle body.
When you made the picture?

You are faaasssstttt!

Thanks!
Eugen

**s2_bo** · 6 January 2008, 12:19

Originally posted by Pirvu Eugen

Thanks!
No, I whant to calculate the first plenum diameter.:mischeif:
I will use the oem throttle body.
When you made the picture?

You are faaasssstttt!

Thanks!
Eugen

I took the picture just now so its fresh but the throttle body was lying right next to me as i was painting it the other day.

Good luck!

Bo

**Pirvu Eugen** · 6 January 2008, 12:24

Thanks!

All the best!
Eugen

**newsh** · 6 January 2008, 18:27

Actually stock is 65mm.

**s2_bo** · 6 January 2008, 18:34

So it is.. My bad...

**Nuvo** · 6 January 2008, 18:36

I had to look at the measurement twice.

**newsh** · 6 January 2008, 18:54

I was just looking at the 034 site and noticed they do a boring service from 65 up to 70mm

**Pirvu Eugen** · 6 January 2008, 19:00

iff 3b is 65 then the rs2 how much is?
bigger?
how much?
for 400 hp i need more then 65?
Thanks!
Eugen

**gnutz2** · 6 January 2008, 19:05

65mm will be fine for 400hp and well above

**Pirvu Eugen** · 6 January 2008, 19:12

Thanks!

All the best!
Eugen

**Faheemo** · 6 January 2008, 20:54

Standard is good for more than 400hp.
U might want to remove the extra slice on the throttle plate.
Gives less restriction - bad for idle though.

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