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Scion tC 1G Forced Induction Turbo and supercharger applications...

SECRET WEAPON INTAKES for TRD SC

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Old Apr 12, 2009 | 03:08 AM
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Default SECRET WEAPON INTAKES for TRD SC

Does any one know any thing about this intake. I've had a TRD, stock out of the box, Supercharger on my TC now for two years which has worked flawlessly except for the air box clasp. I'm hoping to solve the clasp problem, improve looks and get a bit more power too by adding a CAI. I saw this one made by weapon R

http://weapon-r.com/english/index.ph...oducts_id=5357

Can any one give me some info about this product(or another like it even)? I searched it and found only entry's for the Secret WR short ram, non SC, (sorry if this is an old thread subject.)

Will it work with the TRD reflash or will it require a full tune? What would you expect the HP gains to be if any? Will it run lean? Is there any other products designed for the TRD SC as far as CAI? Is it easy to adapt an non SC one to work with the SC?

any info and or suggestions would be greatly appreciated
Old Apr 12, 2009 | 03:11 AM
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Its very easy to mod a cai to make fit the S/C.. Gains are pretty noticable.. No retune needed.. Factory tune is quite rich
Old Apr 12, 2009 | 03:12 AM
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it requires tuning because under WOT it tends to lean out. but it does work, but you gotta tune it.
Old Apr 12, 2009 | 03:14 AM
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IM speaking from experience... I DID NOT need to be retuned.. I had headers, CAI, S Pipe Cat back.. And i was still rich.. and 9.5 pully
Old Apr 12, 2009 | 03:28 AM
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I know that the stock set up can "Learn" and adapt to a new set up to a degree (air/fuel ratio change) But I imagine it can't be pushed to far with out some sort of mod. Thank you for your prompt input!! ScionLife Rocks!!
Old Apr 12, 2009 | 03:31 AM
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Originally Posted by ElevationTC
IM speaking from experience... I DID NOT need to be retuned.. I had headers, CAI, S Pipe Cat back.. And i was still rich.. and 9.5 pully
X2 on this one. even under WOT at redline it was still rich from my experience.
Old Apr 12, 2009 | 11:34 PM
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Default Wepaon R for supercharger

Will running rich damage your car over time? Will it effect emissions? And also what is involved in a "Tune" anyways.
Old Apr 13, 2009 | 01:42 AM
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wth. at WOT you should NEVER go lean

theres something crazy wrong if you run lean ever at WOT

only reason you would run lean is because of a turbo, your sc with an intake wouldn't add enough air that the computer doens't know how to compensate
Old Apr 14, 2009 | 04:16 AM
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I've finely figured out two things; 1) there are many posts about CAI, and Weapon R SRI, for the TRD SC (I was doing the search wrong, Sorry.) 2) A "Tune" is an electronic management "Chip" that overrides (piggybacks) the stock electronic management system and allows variable settings of air/fuel ratio

I've learned; It seems that some people, are having problems with the Weapon R SRI and some are not, about 50/50. The peps feel that the SC with a CAI or SRI will run slightly lean on the stock reflash, and it should be "tuned."

Most all feel that one should get a A/F ratio gage just to be safe.

Some have the idea that the internal diameter of the CAI tube section that houses the stock MAF has to be the same diameter as the one that is stock or you will fool the electronic management system in to thinking that the same amount of air is passing it when in actuality it is more than, which can cause a lean situation, and a CEL.

I note that lots of the peps who are not having problems, and are getting by on the stock reflash, live at sea level. It's quite high in SLC. This may be a factor for those who are having problems with their intakes. It would be nice to hear from some mountain dwelling air suckers who have tried to fabricate their own CAI/SRI's for the SC, or use the Weapon R SRI. I know that the reflashed and stock system is meant to "learn" a new induction (pre throttle body) system as long as it is not too radical. I imagine that this is what would normally make up for the difference in altitude. I am probably stating the obvious to some of you. I'm mostly thinking out loud to organiz my ideas. most of this is new to me and I'm just trying not to blow up my car or any think like that.

Anyways thanks for your input. I think I'm going to try the weapon R SRI with my SC and if that works I'll try the 9.5 pulley after about a month. I'm hoping to do all of this with out having to get a Tune. I have about 27000 mi on the Tc and am not to worried about the warranty at this point (I've had my 06 Tc from late 05.) Feel free to give advice if you like I'm always game to learn more about my car and it will probably help some other dumb sucker like me
Old Apr 14, 2009 | 04:19 AM
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That was a long one...sorry
Old Jun 9, 2009 | 04:29 AM
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jus purchased the Weapon R intake for the supercharger IMMMMM SOOOOOOOOOOOOOOOOOOOOOOOOOOO EXCCCCCCCCIIIIIIIITEEDD
Old Jun 9, 2009 | 03:07 PM
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My buddy ran his full set up with no tune for a full year with no issues he is running a 9.5 weapon-r intake, weapon-r header and full s-pipe back exhaust but he just went out and tuned his system with a hydra ems(so jealous) and he is now laying down 20 more ponies.

So it comes down to if you want the full benefit of adding to the stock configuration. Not to mention I think it sounds about 200times sexier with the weapon-r intake over the stock box
Old Jun 9, 2009 | 04:19 PM
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staying on the same subject would it benifit more making the weapon r a true CAI . I know you get denser air when the filter is located on the lower part of the fender . but will it also cause it to lean out at woot . I know when people on N/A run a cai they dont get the same response as someone running a sri because the sri sucks in the warm air located in the engine bay and the length of the air to travel to the intake body is shorter causing much better throttle response . The Cai brings in some lower temp air and denser because its bringing the air that comes threw the fender. I also am in the same debate of either customizing a cai to fit the supercharger or just purchasing the sri weapon r . I know also that a true cai is not benificial for cold air because the s/c compressed air actually is warm so the only real way to lower it would be running a meth injection or other type to lower the temps of the air being pushed in .
My questions is would it make a minimal diffrence bringing in that denser air thats coming in throught the cai ?

Any one have had experience using a CAI rather than the weapon r SRI . or customazing your weapon R SRI to a true CAI .
Old Jun 10, 2009 | 02:10 AM
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Originally Posted by ElevationTC
IM speaking from experience... I DID NOT need to be retuned.. I had headers, CAI, S Pipe Cat back.. And i was still rich.. and 9.5 pully
the car runs ritch higher in the powerband when its boosting - pretty much the trd tune leans out then dumps gas. So yea, it does help to be tuned with an intake but a lot of people dont. I dont like this intake cause its going to hold a ton of heat
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