[John Vaughan]

Hi, Yep, it's me again I know that RPG9 was selling oversized throttle bodies for Saabs but they appear to be out of business. Does anyone know of a supplier for these? Thanks.

 

[Damo9K]

Hi

Isn't it just a case of spg9 now retails thru :
http://www.group9performance.com/

Funny enuff I was looking for spg9 stuff today.
looks like the site is in the process of being updated.

Damo

 

[widde]

Is the larger throttlebody really needed @ power outakes below 300HP?

Talked to Claes @ Speedparts about this and during our discussion we agreed on that on a N/A engine it's really important with a bigbore TB (matched to the engine of course).
On a Turbo engine the TB is a minor parameter on small power outtakes i.e. below 300HP.
Due to the function of the turbo vs the normal "suction" of a N/A engine.

 

[John Vaughan]

Thanks for the information, widde.
Actually my goal for the time being is 300hp. I have found from prior experience that the more fuel/air you can move across the cylinder head; the more power you can make. My head will be port
matched to the intake and exhaust as well as opened up and cc'd on a flow bench. Estimates are for a 30% increase over stock. I know of one person that went to an NA intake and large throttle body on the theory that it will flow more air!!
Regards,
John