Case Study # 76 - ATP 3071 vs. 2005 stock
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From: 2003 Evo VIII - Silver
Case Study # 76 - ATP 3071 vs. 2005 stock
Mods - 3" exhuast
660 injectors
Stock air box, stock fmic , stock fmic pipes
walbro pump
HKS 264 cams
Hallman MBC
Custom Dyno Flash
Before is ATP 3071 turbo bolt on
new run is with stock 2005 turbo
as we can see much more tq and low end power with stock 05 turbo
all runs on pump gas 93 octane
660 injectors
Stock air box, stock fmic , stock fmic pipes
walbro pump
HKS 264 cams
Hallman MBC
Custom Dyno Flash
Before is ATP 3071 turbo bolt on
new run is with stock 2005 turbo
as we can see much more tq and low end power with stock 05 turbo
all runs on pump gas 93 octane
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From: 2003 Evo VIII - Silver
Originally Posted by Evol_VIII
Weren't the runs on the 3071 with stock cams?
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Originally Posted by scorke
Wow, I wonder why those ATP kits havent been getting good reviews?
Scorke
Scorke
Got home 4 hrs ago and felt a sleep at the door step
... The car is a joy to drive on the way back but suddenly I got a boost leak (I will fix tonight)
The ATP kit had no cams on that dyno sheet so the compare is not apples to apples.
ATP does make power period but you loose TRQ for sure.
If anyone has any questions please pm me.
Thanks
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From: 2003 Evo VIII - Silver
Originally Posted by Az3ar
Got home 4 hrs ago and felt a sleep at the door step
...
The car is a joy to drive on the way back but suddenly I got a boost leak (I will fix tonight)
The ATP kit had no cams on that dyno sheet so the compare is not apples to apples.
ATP does make power period but you loose TRQ for sure.
If anyone has any questions please pm me.
Thanks
... The car is a joy to drive on the way back but suddenly I got a boost leak (I will fix tonight)
The ATP kit had no cams on that dyno sheet so the compare is not apples to apples.
ATP does make power period but you loose TRQ for sure.
If anyone has any questions please pm me.
Thanks
Originally Posted by DynoFlash
BOOST LEAK - man that sucks !
Tell me about it. The car drove like no other for 1 hr then I was mashing the gas and I saw only 15 psi going down to 12 psi. I stopped and started looking with no luck. I know it’s a boost leak somewhere. I just spent couple hrs trying to find it with no luck
...I think it’s one of the hoses behind the intake manifold but they all looked good, still their are a million of them in the back there.
I am still looking as type.
Could it be a faulty WG by any chance? or my mbc died?
Well, 6~10 psi of boost loss is huge and there is no way on earth it could be something that my rabbit ears can't hear.
I checked every hose in my car and they all seem ok. I cant run a boost leak test as I don’t have an air compressor.
I am thinking that the mbc hoses are cut or the mbc has a problem. I have another one that I will give a quick trytomorrow. If it does not work I will connect the hose from the turbo WG to the under pipe directly to test my WG (highly doubt faulty WG though).
After that I will run with no line between the WG and the turbo (I know it should boost too high as the WG should NOT open at this case) but I will keep my eyes on the boost and that will be the ultimate WG test.
If anyone comes across any idea please let me know.
Thanks
I checked every hose in my car and they all seem ok. I cant run a boost leak test as I don’t have an air compressor.
I am thinking that the mbc hoses are cut or the mbc has a problem. I have another one that I will give a quick trytomorrow. If it does not work I will connect the hose from the turbo WG to the under pipe directly to test my WG (highly doubt faulty WG though).
After that I will run with no line between the WG and the turbo (I know it should boost too high as the WG should NOT open at this case) but I will keep my eyes on the boost and that will be the ultimate WG test.
If anyone comes across any idea please let me know.
Thanks
He had no cams in with the 3071 which would make a 20-30 hp difference.
Never the less the power is nice with quicker spool up.
Never the less the power is nice with quicker spool up.
Last edited by IEXCELR8; Aug 2, 2005 at 11:33 PM. Reason: typo






