rb25 vac line dont know what it is for.

Discuss the RB20, RB25 and RB26 series engines.
Miata Master
Posts: 82
Joined: Thu Feb 03, 2005 7:01 pm
Car: 240sx w/ rb25det SOON

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Ok I finally got my car running/started . I still need intercooler piping , and to mount/organize the wiring in the engine bay. ok so here is my question.

There are two steel lines that run behind/under the stock intake pipe, on one end they each connect to vacuum hose that connects to the intake plenum near TB. I dont have anything attached to these lines what do they go to.

sorry no pics.


Miata Master
Posts: 82
Joined: Thu Feb 03, 2005 7:01 pm
Car: 240sx w/ rb25det SOON

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someone please?

Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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for the evaporative canister.

Andrew85cm
Posts: 181
Joined: Fri Nov 28, 2003 11:59 am
Car: 89 240sx with RB20det

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Carbon canister. It connects to it. I would just plug them but you need the it to pass inspection if you are worried about that. Both vac lines go to the top of that canister and the bottom nipple goes to a nipple that is on the driver's side frame rail. The other nipple on top of the canister goes to the hardline that is on the driver's side frame rail.~ANDREW~

Miata Master
Posts: 82
Joined: Thu Feb 03, 2005 7:01 pm
Car: 240sx w/ rb25det SOON

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no inspection in FL so consider them plugged


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