While searching for a wiring diagram for 2001 XJ, I stumbled upon this:

http://toyotareleases.com/view-release.php?id=407

Which wasn’t that dissimilar to the Rusty’s Airtube setup I had just purchased:


The article states that “The one-piece housing helps keep hot engine air away from the intake” which gave me an idea. I dug the stock airbox out of the trash and decided to make my own heat shield housing.

Here’s what I bought:
Some hose $4.40
2 small hose clamps $2.10
1 medium hose clamp $1.45
Total $7.95

And here’s a pictorial of what I did (its pretty straight forward):

What I started with




Marking





Cutting




Fitting





Install





What I had left





So my question is: If I were able to find some hood vents would it be a bad idea to install them to force air into the compartmental area I just made? I'm also worried about rain. Installing them the reverse direction would stop the filter from getting soaked and provide a good way for air to exit but this setup limits the in-flow of cold air. What do you guys think?

 

Dude to be honest I think what you have done has already gone way passed what is needed and although it "in theory" helps the more you do the result I have seen for even the best setups are so small it is just a waste of time. Stay with what you got and move on. ot tring to be a dick it's just 1-5 HP in the XJ is Nothing . But very innovative!

 

Oh yeah, Rusty's claims a 5-10hp gain and the aFe one only claims 6hp I doubt I even got 1/2hp. But I am unemployed and always looking for a cheap fun project to fill my time, and I'm thinking hood vents are next, so just curious.

 

The hood vents I wanted jumped in price last nite.

http://cgi.ebay.com/ebaymotors/1987-pontiac-trans-am-hood-vents_W0QQitemZ320363331994QQcmdZViewItemQQimsxZ20 090423?IMSfp=TL0904231410007r8286

 

nice!

 

ported TB is where i would go next. Thats what you will actually Feel.

 

Is there anything you would add to this: http://www.ehow.com/how_4553230_port...ttle-body.html ?

 

nice i was thinking of doing the same but thought it wouldnt work well now i see it done too bad my air box is already gone

 

Well the more I think about it the more I think its a **** design. The best way to do it would probably be with some sheet metal and fit the shield around the CAI instead of the CAI around the shield (like I did). It was kind of a whim, I can also unbolt and do it over if I get another hair up my ***.

 

Nice! I already did the same, must say though yours looks a little more planned out lol, as for hood vents im not sure, but i was pondering on somehow routing up air from underneath and enclosing the filter/shield with plexiglass or something of the sort, just making sure that theres no way for water to get up to the filter system if i decide to go in some deeper water... just something to force/route the air into the general area...and being enclosed would keep it "cold"...idk maybe a new angle on the idea

 

Well I can't find it now, but one guy on here did a write up about sealing up the airbox and running some of that water heater hose from the airbox to the cowl (he did it three times). I'm not sure what your firewall looks like but maybe you could route it from the cowl.

But yeah, I really don't want to hydrolock the engine just because I'm driving in the rain....

 

i like this idea! simple yet very smart. its the same concept on a load cheap!

 

Thanks! Cheap is what I'm doing till I can get some income.