High Performance Pontiac Homepage High Performance Pontiac

LS2 Intake Manifold Porting 90mm Throttle Body Opening

Prev Next
Note the large 90mm throttle body opening and the sealing surface along the entire outer edge of the lower section of the manifold. The area around where the intake is located has a sealing surface. When the manifold is vibration welded, this area isn't welded but instead relies upon tight tolerances to seal.
LS2 Intake Manifold Porting - LS2 Stealth Mods

 Note the large 90mm throttle body opening and the sealing surface along the entire outer edge of the lower section of the manifold. The area around where the intake is located has a sealing surface. When the manifold is vibration welded, this area isn't welded but instead relies upon tight tolerances to seal.  View Related Article

 

Get Adobe Flash player

Car Research Guide