Previous Thread
Next Thread
New Reply
Print Thread
Joined: Nov 2002
Posts: 61
808CeLiCa
Member
808CeLiCa Jul 10, 1:19am - #220289 
Member

Joined: Nov 2002
Posts: 61
LaHaiNa,MaUi
XS turbo

I just bought a xs Turbo kit yesterday and i was wondering if the kit is bolt on and ready to go or do i have to do some tunning? i know it comes with the power FC and its already tuned but about the other things like the blow off vavle and the waste gate? what other thing do i have to do befor i start my car?

NO SCADE...RACE'UM CUZ!
Joined: Jan 2003
Posts: 240
ryizzle
Member
ryizzle Jul 10, 1:22am - #220290 
00 Black Toyota Celica
Member
00 Toyota Celica

Joined: Jan 2003
Posts: 240
Virginia
well for one thing a BOF is not needed but recomended. and not just for the pretty pshhhh sound it makes. thumbsup

Took the brakes off cause they slow me down
Joined: Jun 2004
Posts: 1,376
QTRMLR_1
Specialist
QTRMLR_1 Jul 10, 1:29am - #220291 

Specialist
2002 Toyota Celica

Joined: Jun 2004
Posts: 1,376
Los Angeles, CA
I would call XS Engineering to be sure, but they'll probably tell you no tuning is required for it to work. Just put it in.

I get my kicks on EC.
Joined: Jan 2004
Posts: 874
drkramm
seabass
drkramm Jul 10, 1:40am - #220292 
2000 black Toyota Celica GTS
seabass
2000 Toyota Celica GTS

Joined: Jan 2004
Posts: 874
pa
Originally Posted by ryizzle
well for one thing a BOF is not needed but recomended. and not just for the pretty pshhhh sound it makes. thumbsup

actually it pretty much is needed if it wasn't there you could really mess things up

hey thats a 20 minute phone call
"if i have seen farther it is by standing on the shoulders of giants"
derek: do you know that non dairy cream is flamable
Jennie: ...derek..what did you do
Joined: Oct 2003
Posts: 615
ikin
Senior Member
ikin Jul 10, 2:06am - #220293 
2000 silver Toyota Celica GT
Senior Member
2000 Toyota Celica GT

Joined: Oct 2003
Posts: 615
california
doesnt the BOV release the gases that are build up every time you shift?
Joined: Aug 2003
Posts: 1,251
silver
Specialist
silver Jul 10, 2:15am - #220294 
2000 Silver Toyota Celica GT
Specialist
2000 Toyota Celica GT

Joined: Aug 2003
Posts: 1,251
California
Originally Posted by drkramm
Originally Posted by ryizzle
well for one thing a BOF is not needed but recomended. and not just for the pretty pshhhh sound it makes. thumbsup

actually it pretty much is needed if it wasn't there you could really mess things up


Does anyone understand what a blow off valve really does? It is used to vent excess boost from bulding up when the throttle plate is closed (when you shift or you're sitting idling) and potentially blowing your Intake pipe up (although it would take a TON of boost buildup to actually make something burst). The idea is that the BOV lets the pressurinzed air out of the "hot" Intake pipe and recirculates it into the "cold" Intake pipe (before the Turbo). This effectively lets all the boostout of the Intake tract and prevents any potential "explosions".

Now, venting your BOV to the atmosphere (that "PSSSSSSSH" sound) is an excellent way to a) attract attention to yourself and b) confuse the shit out of your ECU. When the MAF reads how much airflow is entering the engine, it sends a signal to the ECU, which takes this airflow reading and calculates how much fuel the motor will need to effectively and efficiently use the air. Here's the problem:

If the MAF reads the airflow as "10", and then you blow "2" of that airflow out the BOV and into the engine bay, the ECU will send "10" fuel to match with the "10" air that it thinks it's getting, but in reality there is only "8" air.

Therefore: You have "10" fuel and "8" air, when both quanities should be equal. The condition of more fuel than air is known as "rich".

Now, if you are an attention whore, or you just really like the "psssssshhh" sound, it is possible to atmospherically vent successfully, without any ill effects. This is done by either:

a) Placing the MAF downstream from the BOV, so that the MAF is reading exactly the amount of air that engine will recieve.

OR

b) You can compensate for the air that gets vented through tuning, but this only works with a standalone ECU like the PowerFC or the AEM standalone system.

Here's something else to consider:

At 5psi, your BOV will be quite quiet. The more boost you run, the more air gets blown out of the BOV, and the louder the sound is. You won't even really need a BOV until you're running 10psi, something you'll only be able to do once you have lowered the engine compression and changed all of the stock internals.

Of course, there are also acoustically tuned BOVs that are ridiculously loud and obnoxious. TurboXS makes one, its's called the Type-H RFL (Really Fucking Loud)

http://turboxs.com/_images/Video/txsbov.mpg
Joined: Feb 2004
Posts: 824
GTQuentin
Senior Member
GTQuentin Jul 10, 2:24am - #220295 

Senior Member
2000 Toyota Celica GT

Joined: Feb 2004
Posts: 824
Northern VA
^^nice info
Joined: Aug 2003
Posts: 288
Drifter
Full Metal
Drifter Jul 10, 2:45am - #220296 
2000 Red Toyota Celica GTS
Full Metal
2000 Toyota Celica GTS

Joined: Aug 2003
Posts: 288
Arizona
Doesn't he need some internal work done if he wants to go over 8psi?
Joined: Dec 2003
Posts: 245
silverceli21
Member
silverceli21 Jul 10, 2:51am - #220297 

Member
01 Toyota Celica GT

Joined: Dec 2003
Posts: 245
ma
and for the internal work wut specifically? like the heads? and wut else?? because im saving for a SF Turbo

SiLvErCeLi
Joined: Oct 2003
Posts: 615
ikin
Senior Member
ikin Jul 10, 2:55am - #220298 
2000 silver Toyota Celica GT
Senior Member
2000 Toyota Celica GT

Joined: Oct 2003
Posts: 615
california
got monkeywrenchracing.com they have rods and low compresion pistons etc
Joined: Jun 2004
Posts: 1,376
QTRMLR_1
Specialist
QTRMLR_1 Jul 10, 5:18am - #220299 

Specialist
2002 Toyota Celica

Joined: Jun 2004
Posts: 1,376
Los Angeles, CA
I'm reading about the XS Engineering kit for the Celica GTS in the Crazy Boost edition of Sport Compact Car (6/03), AND it says the kit comes with a BOV and that no extra stuff is needed. The horsepower claimed at the wheels by XS is 241 hp (Dynojet). Boost is set to 7 psi within the pretuned PowerFC.

The person asking the question was very specific as to the XS Engineering Turbo kit for the 2000 and on Celica GTS, not just any Turbo kit. The kit was developed to be dropped in and run as is without problems.

I get my kicks on EC.
Joined: Mar 2004
Posts: 129
Rexy13
Member
Rexy13 Jul 10, 5:35am - #220300 
2004 Red Toyota Celica
Member
2004 Toyota Celica

Joined: Mar 2004
Posts: 129
York PA
the XS kit comes with a A'PEX Twin Chamber BOV, and the Turbo has an internal wastegate on it, all you need to buy in addition is a boost gauge
Joined: Jun 2004
Posts: 1,376
QTRMLR_1
Specialist
QTRMLR_1 Jul 10, 5:53am - #220301 

Specialist
2002 Toyota Celica

Joined: Jun 2004
Posts: 1,376
Los Angeles, CA
"need" as in nice to have, not necessity if you don't start playing around with XS's settings. Or if you have a laptop, you can buy the FC Datalogit kit which monitors the boost level in real time.

I get my kicks on EC.
Joined: Jun 2004
Posts: 1,376
QTRMLR_1
Specialist
QTRMLR_1 Jul 10, 6:15am - #220302 

Specialist
2002 Toyota Celica

Joined: Jun 2004
Posts: 1,376
Los Angeles, CA
Or if you don't have a laptop, you can just buy the PowerFC Commander to display data of your choice, much more than just boost from the boost gauge. Ignition timing, knocking level, battery voltage, Intake air temperature, etc. Only $349 from Monkeywrench Racing. Of course as we all know about the PFC, you'll be able to adjust the lift engagement and disengagement, and also the rev limit, with the Commander. I just called MWR yesterday: The current setting the MWR team has decided for lift engagement is 5950, which is supposed to help smooth out the transition to lift. Disengagment is recommended to be 5700 if you don't want to shift at too high rpms with the Turbo going, and you still want to be sure you land in lift. The rev limit is up to you and what you're willing to risk. So the Datalogit kit, or Commander... whatever you decide is a nice investment, especially if you plan on beefing up your engine to run higher boost settings later down the road.

I get my kicks on EC.
Joined: Jun 2004
Posts: 1,376
QTRMLR_1
Specialist
QTRMLR_1 Jul 10, 6:18am - #220303 

Specialist
2002 Toyota Celica

Joined: Jun 2004
Posts: 1,376
Los Angeles, CA
I wish I could race in paradise. Heck, it'd just be nice to be in Maui right now. And you guys probably don't have to get smog checks right?...because the sea breeze just blows everything away...

I get my kicks on EC.
Joined: Sep 2003
Posts: 2,242
Lucky_317
Specialist
Lucky_317 Jul 10, 2:32pm - #220304 

Specialist
2000 Toyota Celica

Joined: Sep 2003
Posts: 2,242
Fontana, CA
good luck with that kit rofl BTW first thing to know about XS is they arent very truth ful.

1) install the Turbo
2) get it tuned to your car cause no 2 cars are identical.

you an pull more then 241 whp out of it if you dont let xs touch it. you'll want to get the datalogit so you can monitor your knock so you'll be aware of any tuning problems their might be. thumbsup and last, pray their newest gen manifolds dont crack like all the others. lol

Best 60' 1.959 best 1/4 - 13.7 @ 101mph
Join the conversation - Register now or Sign in to add your comment


Moderated by  isaac 

Customize Your Toyota CelicaPrivacy Policy · About · Contact
CelicaHobby.com is an independent Toyota Celica enthusiast website. CelicaHobby.com is not sponsored by or affiliated with Toyota Motor Sales, USA, Inc. in any way. The Toyota and Celica names and logos are trademarks owned by Toyota Motor Sales, USA, Inc.
© CelicaHobby.com, 2001-2016