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my AMS tune

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Old Aug 13, 2008 | 06:01 PM
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my AMS tune

Well, I just got a tune at AMS and the guys are great and Chris answered any questions I had while he tuned my car. I was alittle dissapointed with my numbers, Chris said a intake instead of a drop in air filter would off helped me but the numbers were lower than expected. With ultimate racings DP, resonated Test pipe, catback, nisei upper intercooler pipe, k&n cone drop in filter, AMS intercooler, AMS mbc, AEM meth injection 50/50 mix and custom tune I omly got 336Horse and 347 ft.torque at the wheels. Anybody have ant ideas on this? I was thinking I should of hit alittle higher. Do I have a bad apple!!
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Old Aug 13, 2008 | 07:05 PM
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That all depends on what Al can tune my car to on Friday. I think I have similar mods besides the Water/Meth injection and so far even without a tune the car is pulling what feels like 110-112 mph traps that my Evo 8 was doing. I guess I'll find out this weekend for sure!

I'm sure there are others that have had their car dynoed with similar mods that could chime in now though.
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Old Aug 13, 2008 | 07:14 PM
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From my understanding and experience straight meth makes more power than a mix. Temp and humidity can make a big difference. Did u check for boost leaks?
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Old Aug 13, 2008 | 07:15 PM
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straight meth, more boost, full intake, full test pipe
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Old Aug 13, 2008 | 07:36 PM
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Originally Posted by gaulrich2003
From my understanding and experience straight meth makes more power than a mix. Temp and humidity can make a big difference. Did u check for boost leaks?
I didnt want to run straight meth cause the o-rings cant handle it. Chris set the boost around 27-28 and it didnt seen to have any leaks.
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Old Aug 13, 2008 | 08:28 PM
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With that list of parts I would think it would be alot higher. Considering what people are putting down with just a tune or with all bolt-ons and no tune.
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Old Aug 13, 2008 | 09:09 PM
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27-29 PSI and only 336whp? Somethings wrong.

Try going back to the stock intake box? I lost power with my intake kit. Check your AFR's too.
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Old Aug 13, 2008 | 09:56 PM
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Seems low.

Originally Posted by Rguy
27-29 PSI and only 336whp? Somethings wrong.

Try going back to the stock intake box? I lost power with my intake kit. Check your AFR's too.
He is on the stock box with a drop in.
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Old Aug 13, 2008 | 11:38 PM
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That seems really low considering TTP says they have put that down with an MBC and a tune.
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Old Aug 13, 2008 | 11:54 PM
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What no one is asking is what was the baseline pull (if there was one)? A dyno just tells you the difference between what your baseline and what your parts/tune will do, so tell us what the baseline pull was and how much you actually gained. If you baselined at around 240hp for example and your now getting 336 thats actually not bad and almost a 100hp difference.
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Old Aug 14, 2008 | 12:26 AM
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Originally Posted by tripperfx3
What no one is asking is what was the baseline pull (if there was one)? A dyno just tells you the difference between what your baseline and what your parts/tune will do, so tell us what the baseline pull was and how much you actually gained. If you baselined at around 240hp for example and your now getting 336 thats actually not bad and almost a 100hp difference.
Even at baseline 240whp with meth, bolt ons, and a tune a 100hp gain isn't that great either.
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Old Aug 14, 2008 | 12:27 AM
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Yeah something is a miss for sure..I was pulling 290 after a base flash. I have a cone filter now...but still..not much of difference. Would a straight test pipe give you a little more hp than a resonated one? Do you think Chris could set up the stock solenoid to control the boost or do you really need mbc cause of the Alky injection? idk man, something is wrong cause most folks are pulling bigger numbers with just bolt-ons no alky...Don't worry they'll figure something out you're in good hands...
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Old Aug 14, 2008 | 06:13 AM
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Originally Posted by tripperfx3
What no one is asking is what was the baseline pull (if there was one)? A dyno just tells you the difference between what your baseline and what your parts/tune will do, so tell us what the baseline pull was and how much you actually gained. If you baselined at around 240hp for example and your now getting 336 thats actually not bad and almost a 100hp difference.
the only base line I have is everything listed except meth injection and boost 4psi less, my number on that was 294 at the wheels. The meth picked me up 40 horses and thats sounds about right.
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Old Aug 14, 2008 | 06:29 AM
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Hmmm maybe you are dynoing at altitude in the middle of a hurricane? Do dynos correct for low pressure/bad turbo weather? Our turbo cars really get effect quite a bit more than an NA motor from my past experience, although a really good intercooler can stablize that a bit more.

Seesm that sub 300 on all those mods before Meth was also a bit low, I mean only 60 WHP from all that stuff?
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Old Aug 14, 2008 | 07:32 AM
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I honestly was expecting a bit more out of the car as well.

A few interesting points:

He is running a mix of water and meth, on what appears to be a very small nozzle. The A/F ratio did not change much at all as a result of the nozzle that he is using with his AEM kit. He says that he is using their large nozzle, but I don't know what actual size that is.

The car is running exhaust parts that we have not had a chance to personally inspect yet. They are claimed to be straight through 3" parts. I have seen some very weird things happen from resonators, and exhaust parts necking down only a small amount, especially if there are two smaller diameter parts of the exhaust near each other.

Please stop trying to compare numbers from all the different dynos available on the net. It will be counter productive for everyone. Remember that not all cars/parts/dyno/weather are the same.


-It is not a drop in, it is a filter attached to the end of the maf housing, with a custom air box built around it.



Last edited by Chris@AMS; Aug 14, 2008 at 07:35 AM.
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