What is the vacuum source in the rear of my IM for (in the picture its circles in red)? This is a JDM 97 b18c spec R motor but im not sure if the manifold is USDM or JDM (or if it makes a difference)?

 

IIRC it's for the evaporative purge system (solenoid -> charcoal canister)

 

so i guess i can just plug it since this motor is in my crx and the charcoal canister attaches to the TB. Can anybody confirm this?

 

Yes it will be fine to cap it off.I capped mine off in my hatchback and haven't had any problems.

 

yes cap it off, and its a usdm manifold.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by esponet &raquo;</TD></TR><TR><TD CLASS="quote">yes cap it off, and its a usdm manifold. </TD></TR></TABLE>
what is the difference?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by crXBoy69 &raquo;</TD></TR><TR><TD CLASS="quote">
what is the difference?</TD></TR></TABLE>

that vacuum line you pointed out, plus if you plan on going referee the swap ( in cali) jdm itr motors need usdm manifolds and some sensors. but performance wise there is no difference.

 

Yes, just cap it. The port on the TB will be just fine for your charcoal cannister. BTW-somebody stole your throttle cable

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b19coupe &raquo;</TD></TR><TR><TD CLASS="quote">Yes, just cap it. The port on the TB will be just fine for your charcoal cannister. BTW-somebody stole your throttle cable </TD></TR></TABLE>
lol i know... dam gremlins...