Trottle Body and Intake Manifold Size 1G vs. 2G

[born4music04]

Which has a bigger Throttle Body, 1G or 2G?
Which has a bigger Intake Manifold, 1G or 2G?

Thanks.

 

[dsmtalon1]

1G:
throttle body elbow is smaller
bigger tb
bigger intake ports
bigger head intake an exhaust ports
2G:
bigger throttle body elbow but uses the smaller tb

GO HERE

http://www.roadraceengineering.com/1g2gheadswaptechtip.htm

 

[born4music04]

Thanks a bunch. So the best set up is a 1G TB and a 1G Intake Manifold with new intercooler piping that connects directly to the TB?
Thanks.

 

[sphillips91]

Originally posted by dsmtalon1
1G:
throttle body elbow is smaller
bigger tb
bigger intake ports
bigger head intake an exhaust ports
2G:
bigger throttle body elbow but uses the smaller tb

GO HERE

http://www.roadraceengineering.com/1g2gheadswaptechtip.htm

Kinda makes you wonder wtf they were thinking doesnt it?

"okay lets put a bitter TB elbow on, but were gonna use a smaller TB."

"For the 1G we used a bigger TB, but a smaller elbow. This makes perfect sense"

. I just wonder sometimes.