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Adding throttle to start car after stillen SC install
I just got my 09Z back from the shop after the clutch (ACT stage 3 with stillen lightweight flywheel) and stillen supercharger install and really hate how I got add throttle to start her up. I told the tuner I had no starting issues before the install and tune, so it must be something he did (don’t get me wrong, very nice knowledgeable guy).
He told me because the car is running at 481 WHP (refer to graph) and running a little on the rich side, I should add meth to regulate the fuel and get bigger intercooler because of the stock intercooler size and bumper design then he can retune her again and fix the issue. I am running 1000CC injectors and walboro fuel pump, the kit has upgraded cog and the supercharger has upgrades internal blades pushing around 12.5psi. Other mods I have are berk HFC , berk CBE and AMS headers. Any ideas on this guys? thx [IMG]http://i62.photobucket.com/albums/h1...ps20349240.jpg[/IMG] [IMG]http://i62.photobucket.com/albums/h1...ps72ab95c4.jpg[/IMG] |
I should mention that the car is running little rich and therefore extra heat, which is why he is telling me to get a radiator, car is running much hotter than before.
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You need a new tuner. The heat exchanger and radiator aren't a bad idea. His reasoning for adding meth doesn't make sense to me. I wouldn't let him touch the car again. The starting issue is unrelated to any of the parts he's trying to sell you.
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No meth kit I have ever seen is spraying at start up and cooling isn't going to change anything at start up so I agree with Chuck, find a new tuner.
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It definitely sounds like Chuck33079 and JWillis72 are correct about it being a poor tune causing the problem, but I'm no expert. With old-school engines (mechanical injection, vacuum/centrifugal ignition advance, fixed valve train, &c), you had to "de-tune" a hi-po setup to get "easy" starting. With everything being computer-controlled nowadays, you can have your cake and eat it too. Your setup seems to be on the "extreme" side, so starting may be a bit more difficult but nothing the ECM can't handle if tuned properly. YMMV
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Seems like tune to me too. I thought when a car runs rich suppose to run a little cooler? She is running little rich and much hotter than before (radiator fan always on). I am going to look around for tuners, fu*k been out of thr car for so long now more issues
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CFS triple pass radiator will help cool the car down a lot. Did he adjust your fan temps? Did you do a oil cooler? Also a vented hood help get more air through all the coolers. With those changes my car runs way cooler than it did from the factory.
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Like what chuck is saying also, the tune needs to be redone . Te heat exchanger IMO is a must from the start , and of course it runs rich the stillen tune runs rich out the box I couldn't even start my car on the can tune that came with it . Find a new tuner, one he Inflated your numbers cause the kit will not make 481 WHP and he did that to sell you a bag of goods .
Go else where :/ |
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1) The bigger radiator he explained is due to the heat that's being generated and he wants to save me from buying a better vented bumper. 2) He said the meth is only to regulate the fuel and push more power, not to fix starting problem 3) He did admit to me that he could have spend more time tuning and got it way better, but I been without a car for 5 weeks due to clutch on back order and few other parts so I wanted to car back the past weekend. Now the guy is offering me to retune the car free of charge (have to leave it there for a day or two so he can fine tune it) and GUARANTEE to fix the starting issue. However, he is advised me to do the radiator and meth all at once too. What do you guys think? |
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RUN!!!!!!!!!! THIS GUY SUCKS!!!!!!!!! Clear enough? His reasoning for the meth is retarded. He is not doing a good job tuning the car. Period. Find a new tuner before you join the (surprisingly large) "Stillen SC blew my motor" club. If he can't get the little things in the tune right, he didn't get the big things right. And the numbers the previous owner is claiming must be on the world's highest reading dyno. The only thing that your "tuner" is right about is the need for a better radiator. Keep in mind, you have to evacuate the ac system before and recharge it after a radiator install. |
I'm not going to get into a what the lit will make, I am only speaking from experience and having every upgrade for this kit and running 12 PSI and making 457 WHP. I know all dynos are different some guys will inflate theres' Reason being IMO not to make that much WHP os the motor wont last I only had mine for 3 days and BOOM,( Not the only one) Point is run from the tuner and find another place.
Stillen Kit is Great for what it is,. And that's 420-430WHP an that's all, Again IMO. |
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The radiator is a good idea. Skip the meth. Does the Stillen kit come with one step colder plugs? The Frozenboost heat exchanger is a must as well.
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