what the title says, any info is greatly appriciated.

 

jdm has a larger collector

 

is it 2.25 compared to 2.5?

 

2"

 

thanks Sgt, appriciate it!

btw i saw you post on a thread that i can't find now about portflow valve springs and high lift toda cams. someone wanted to put a toda B cam in a bulit head with skunk springs and someone said don't do it, the lift is to much for those springs. if i'm not sure if i am going to go with a skunk2 stage 2 or toda B would the portfow springs still be the best for either cam? conventional knowledge tells me to stick with the same brand cams and springs but i am a nubie and don't really know sh*t beyond boltons. the thread or any info would be