BBK Power-Plus Series Throttle Bodies

[Lappin]

Anybody have any idea roughly how much of an increase in performance these suckers make?

BBK Power-Plus Series Throttle Bodies
Throttle Body, Twin 58mm, Chevy/Pontiac, Camaro/Firebird, 305/350 TPI

Venturi Quantity: 2
Venturi Diameter (mm): 58mm
TPS Sensor Included: No
IAC Motor Included: No
Gaskets Included: Yes
Hardware Included: No
Injectors Included: No
Throttle Body Material: Cast aluminum
Throttle Body Finish: Natural
Quantity: Sold individually

[Kevin - Blown 95 TA]

Probably wont even help you a bit, and it would cost you a re-program just to break even.

[Lappin]

wow, definlty not getting one in that case

[Kevin - Blown 95 TA]

I'm not saying they don't work (I have one) but they don't belong on a stock 305. You don't need a 1000 cfm TB.

[Lappin]

Iam just glad for the information, iam just trying to get the most outa my 5.0 IROC (this summer iam hopefully going to be upgradeing to a mid-90's LT1!)