HOWTO: Install Graves AIS Blockoffs


Howdy, quick question for someone who has done this. Couldn't the same result be reached by just plugging the ports with a piece of plastic and unplugging the electrical connector? Other than the weight reduction benefit from removing the system completely... Please correct me if I'm wrong! Thanks y'all!
 
Rawknrohl said:
Howdy, quick question for someone who has done this. Couldn't the same result be reached by just plugging the ports with a piece of plastic and unplugging the electrical connector? Other than the weight reduction benefit from removing the system completely... Please correct me if I'm wrong! Thanks y'all!
Click to expand...

Yes, the same thing can be done, but block offs are much cleaner, and it avoids something being able to be sucked into the engine. Plus you get to remove the AIS, and that makes changing plugs much easier.
 
bringing back an old thread.
Anyway, i will be installing my block offs soon and wanted to ask....When i remove the tank, will gas spill? will i need to empty the tank?
 
Same question on the the gas spilling question, if i pull the hose i know it says a little will spill but would the remaining gas keep pouring out? just trying to plan any mishaps along the way. Thanks.
 
Ricenoodle said:
Same question on the the gas spilling question, if i pull the hose i know it says a little will spill but would the remaining gas keep pouring out? just trying to plan any mishaps along the way. Thanks.
Click to expand...

No it won't. I didn't have a drop spill. My tank has been off a few times.
 
Ive done it too, did it multiple times, with between 2/3 of a tank at one point, and 1/4 of a tank another time. Only a few drops spill, I think they have some kind of passive shutoff valve or something idk. But yeah, only a few drops from the initial disconnect will spill.
 
Ricenoodle said:
was it full? so you propped it up, unplug the lines, and separated the tank?
Click to expand...


I didn't take the evap lines off. They were actually on super tight even with the clamp removed and I was afraid I'd snap the hose pulling on it. You can leave them on since when you pull the tank up you'll likely have to reroute the hoses anyways. They take a minute or so to reroute along the engine.
 
Scott_Thomas said:
I didn't take the evap lines off. They were actually on super tight even with the clamp removed and I was afraid I'd snap the hose pulling on it. You can leave them on since when you pull the tank up you'll likely have to reroute the hoses anyways. They take a minute or so to reroute along the engine.
Click to expand...

Use a 90* angled pick to loosen them just slip it in between the tank and hose and work it around the hose pulling it lightly around the nipple and it will slide right off...
 
mdgreene2001 said:
Use a 90* angled pick to loosen them just slip it in between the tank and hose and work it around the hose pulling it lightly around the nipple and it will slide right off...
Click to expand...


Wasn't worth the effort or thought. Only takes a second to route the hoses where they need to be.
 
thanks guys, this is the kind of insight I needed to know beforehand, anything else that may be tricky that's not in the OP?
 
Does this somehow increase fuel economy? I kind of like the popping Lol however, happy to sacrifice this for a greater economy..
 

THank you for this write up. did the block offs this weekend and the pic's and post was invaluable! Did not remove my tank just propped it up, pretty easy job all around and the results are excellent!
 
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