Hey everyone just wondering what you guys think is a good vaccum source for my h22 with twm itb's. I have a golden eagle vac log and was wondering should I use the nipples on the itb's now that are above the fuel injectors or should I tap new nipples below the injectors? And run them all too the itb's? With each one taping into each other for the map source? Anyone with any advice would be great thanks.(note I currently have no vac lines going to the itbs to the vacc log, and the brake booster tead into the vacc log and in the 1# runner.)

 

bump for an anwser

 

bump for an answer too. I often wondered myself if certain places in the runner were better for vaccum than others, I noticed that most stock honda tb's pull vacuum from right behind the throttle shaft.

 

Dyson

 

anyone with itb's that reads this please post were your vaccum lines go to your vaccum box. thanks

 

do like this guy: https://honda-tech.com/zerothread/1924658

 

Link above is how my setup is ran, works great. Its not necessary to place it closer to the head on TWMs but, the closer the line is, the more vacuum is pulled. Unless you are going to be tuning off of a map reading, in which case it may benefit you slightly.
good luck
-roma