Considering the above mentioned photo the get off going straight down on all 4 ITBs may be the outlet on the little gap just from the throttleplate (on my ITBs there is no vacuum there - i.e. useless) Hasselgren Engineering has teamed with Acrokin Engineering, Inc. to build an enhanced https://jdmtoyota4a-ge72468.verybigblog.com/33809491/detailed-notes-on-jdm-toyota-4a-ge