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Scion tC 1G Drivetrain & Power Engine and transmission discussions...

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Old 11-19-2005, 04:49 AM
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Old 11-19-2005, 05:06 AM
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cant wait for the updates man.
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Old 11-19-2005, 05:16 AM
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Something is a little fishy here.

Your baseline dyno is about 10HP above every other base dyno I've seen. GSC did there base dyno with a alphawerks header and an axel back exhaust and got just about the same as your car. Either your car is VERY special, or that dyno run is a little off. I am not hating but just commenting on some very unique results.

I would deffinately check out that A/F ratio, something is deffinately wrong here. Prob a faulty MAF sensor. Check it out, it should look more like this:


But is the rich mixture is giving you more power, more power to ya!
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Old 11-19-2005, 05:30 AM
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Old 11-19-2005, 07:19 AM
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I've seen several dynos of stock tCs on the forums and they all were around 145whp, not far off from desertheat's at all. The only dynos that I've seen with #s lower than that were from automatics.
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Old 11-19-2005, 08:27 AM
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cant wait to see the results!!!
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Old 11-19-2005, 02:19 PM
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ahhh i can see an rx7 in the background of the first pic. i still miss my rx7. what a car.. anyway, nice dyno, best I have seen stock.
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Old 11-19-2005, 04:45 PM
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Originally Posted by BreakTheStatic
I've seen several dynos of stock tCs on the forums and they all were around 145whp, not far off from desertheat's at all. The only dynos that I've seen with #s lower than that were from automatics.
Ive never seen manuals dyno that high on base line...highest manual ive seen was 141whp and autos vary from 138-140whp.
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Old 11-19-2005, 05:32 PM
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can you find out if they have an OBD reader and PM me the throttle % reading.

Mine was reading at 80% at full throttle.
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Old 11-19-2005, 10:23 PM
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Old 11-19-2005, 10:24 PM
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Old 11-19-2005, 11:09 PM
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Originally Posted by peteyd
Originally Posted by BreakTheStatic
I've seen several dynos of stock tCs on the forums and they all were around 145whp, not far off from desertheat's at all. The only dynos that I've seen with #s lower than that were from automatics.
Ive never seen manuals dyno that high on base line...highest manual ive seen was 141whp and autos vary from 138-140whp.
I agree...according to that compared to my dynojet run my intake, header and exhaust with no cat would only be giving me like 7 more hp and 4 foot pounds of torque and he is making 99% as much power as the MMW header/s-pipe/short ram and cc exhaust car. Agreed it does not look right.
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Old 11-19-2005, 11:29 PM
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Old 11-19-2005, 11:35 PM
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Dyno's are simply not accurate for outright power figures!

I hate how people try to compare different dyno readings, taken on different dynos at different altitudes and temperatures from different cars. It's just stupid!

The dyno is a great tuning tool and rough estimate for power. Arguing over 9-10hp is just ridiculous considering the circumstances.
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Old 11-19-2005, 11:39 PM
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Originally Posted by Mediocre_Generica
I hate how people try to compare different dyno readings, taken on different dynos at different altitudes and temperatures from different cars. It's just stupid!
Enough said. Arizona has A LOT less humidity than most anywhere else in the US. Dynos are usually corrected, but that's not always accurate either and only compensate for altitude and temp.
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Old 11-19-2005, 11:49 PM
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Originally Posted by desertheat
So what do you want me to say to that? Want pics taken off the dyno pc at the shop..? Did I mention this car has 1800 miles or so on it and has not had the crap beat out of it? Ah well, always get the haters haha. Guess we will know how far off the dyno is when I get the sc installed and on the rollers this week.
dude, it's not a matter of cars having the crap beat out of em. but i smell something fishy when everything i've seen thus far is under 140 bone stock. once again, not bashing, but some variable is being missed
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Old 11-19-2005, 11:51 PM
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Originally Posted by Batjew
dude, it's not a matter of cars having the crap beat out of em. but i smell something fishy when everything i've seen thus far is under 140 bone stock. once again, not bashing, but some variable is being missed
Yea, that variable being that you have neglected the fact that different dynos yield different readings.
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Old 11-20-2005, 12:05 AM
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Wow been a long time sinse i was on hey everyone, alot has changed, perhaps he own a vehicle with different tolerances. A "Fluke" sometimes this happens and the result is a vehicle with slightly elevated power levels-5-10 hp. Or perhaps this is due to a miscalibration or other variable.
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Old 11-20-2005, 12:09 AM
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Old 11-20-2005, 12:16 AM
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