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11-29-2010, 06:33 PM | #181 |
We were testing the car with JUST the head and cams...no other modifications or bolt-ons. Power went from 98.93 to 104.10 (5.2% gain) on stock fuel maps. Torque dropped from 100.55 to 95.33 (5.4% loss). Using the CamCon to tune, we were able to get power to 108.43 (9.6% over stock) and tq to 98.78 (1.8% total loss). Most exciting thing to note is the lack of high rpm drop off associated with stock config. Again, this was on stock airbox/intake and exhaust and a dirty air filter so, while I had hoped to get to 110, I'm curious to see how this does after intake/exhaust, as the head could literally be being choked by stock system. We will see though.
Red - head/cams + camcon Blue - head/cams on stock maps Green - original stock baseline
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11-29-2010, 06:53 PM | #182 | |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
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Quote:
Wait till you get real engine management, when you can start to spin it past 6500rpm it will really sing and you will see the payoff.
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11-29-2010, 06:57 PM | #183 |
I'm looking forward to it...You really start to feel the cams....and then you crash into the rev limiter. So disappointing. Trying to decide now between being the test dummy for the dezod unit, or just going full standalone and being done with it. What are you running?
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11-29-2010, 07:02 PM | #184 | |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
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Quote:
If we did not have to use the stock TB and manifold (the SCCA Prod rules require the OE setup) I would ditch the stock ECU and use an xB or custom intake setup. I wonder if you can pair the Dezod unit with the Camcon to essentially get the same control we have? As I understand it the Dezod unit does not offer VVTi control(?) The Camcon is limited to 500rpm steps, but it might make a good budget setup.
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11-29-2010, 07:27 PM | #185 |
I too was wondering if they could be piggybacked, since you are correct. No vvt-i w/ dezod. Too bad they require the stock tb. Are you allowed to bore it?
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11-29-2010, 07:37 PM | #186 |
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No, its 100% stock. That is how they balance a class with 40 year old British cars and new cars.
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11-29-2010, 07:47 PM | #187 |
bummer. hope you get your new class soon.
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11-29-2010, 07:49 PM | #188 |
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Well guys the XB is at CFT getting the T/B wired into the Microtech and some other misc. Nitrous wiring done. The car should be ready to tune by end of week.
I know my cams are a little more wilder than yours and will have no way to test mine stock because of my standalone and all my mods but well she what she produces soon. Keep in mind I did away with the VVTI which is also why my cam grind is full race as well as microtech only allows me to turn on vvti which makes it more like vvt. I wanted a more race old school set-up. I know I got alot going on under the hood and will not be able to tell you what does the trick but I will assume it's a combination of all my stuff being Big and built strong. 70mm T/B 3" pipe 680cc injectors big turbo Crazy cams Full stand-alone All I know, is this better do something good. Will post new complete engine bay pics in an hour or so. XBG |
11-29-2010, 07:53 PM | #189 | |
Drives: 2015 H Production Yaris Join Date: Oct 2009
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Quote:
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11-29-2010, 07:55 PM | #190 |
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I was thinking like you were. Though it will still interesting to see what happens,
XBG |
11-29-2010, 07:56 PM | #191 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
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The class change I have been pulling for is for autocrossing, nothing to do with our road race classing. Neither allow a "modern" car to change intake/TB. The current OE stuff is so much better than what cars had even ten years ago that you could not make the cars perform equally. Its one less than to worry $$$$ about.
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11-29-2010, 08:26 PM | #192 |
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Ok here is one pic. go to my engine build under forced induction for the rest.
XBG |
11-30-2010, 12:24 PM | #193 | |
Drives: 2015 H Production Yaris Join Date: Oct 2009
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Quote:
As long as you are going all out, why don't you ditch that boat anchor of a battery and pop for one of the new Braille lithium-ion units.
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11-30-2010, 03:51 PM | #194 |
he's sponsored, by NX amongst others.
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12-01-2010, 04:18 PM | #195 |
Not as shiny as Aras', but I got the CAI back in, and just got done installing the NST underdrive set. Next is Gude TB, as soon as I get it back from Gude.
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12-01-2010, 05:14 PM | #196 |
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AT least it's a clean set-up.
XBG |
12-01-2010, 08:40 PM | #197 |
Thanks, but I need a wire tuck like WHOA.
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12-02-2010, 01:33 AM | #198 | |
Drives: Vitz RS Turbo Join Date: Nov 2008
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Quote:
That depends what the owner intend to use the car for . It could run on street or race or both. I chose both and for me the VVti is essentially needed on street where I am not always on the 6k rpm range. With the VVti tuned correctly you get a good power and torque all across the lower and higher rpms (which is nice to see a good feel only at 3K). In your case, I don't think you care of low/medium rpm ranges since yours is built for race purposes. If I were you, I would lock the cam at a desired angle (depending what the dyno shows you) and eliminate the VVti completely. |
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