Testing the AWD 1000R Billet 67 mm Turbo - 820 whp
Sep 7, 2009, 09:31 AM
#16
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I think that when you have these heads sitting around for a long period of time the valve springs begin to get weak and can no longer hold up to high boost and high rpms. I believe these springs are Kiggly. Al
Sep 7, 2009, 09:33 AM
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I think its time to install the new Buschur Pistons and a fresh set of valve springs and aim for 850.
Al
Sep 7, 2009, 09:36 AM
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Al, what was the previous turbo? In the video, you mention that it has a 7-blade billet compressor, but what is shown in the video doesn't look like a billet compressor wheel. On the other hand, the billet compressor of the replacement is immediately recognizable as such in the video.
Both wheels have a 88 mm exducer
The AWD unit is about 3 mm larger on the inducer
Also the AWD unit is 6 blade while the FP unit is 7 blade
Al
Sep 7, 2009, 10:06 AM
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Its been a long road of trial and error with my Evo over the past 7 years playing with various combinations
Turbos I have tested and used
Stock turbo - 11.88 @ 119 - (First into 11's in a US Evo)
HKS 3037 - 11.65 @ 122
HKS 3042 - 10.90 @ 128
Gt35 - 9.98 @ 138 - (First in the 9's on a Gt35 and first without use of nos)
Gt40 - crap
Gt42 - 70 mm
Gt42 - 74 mm
Gt42 76 mm - 9.50 @ 148 (block cracking in half) 1060 whp peak on dyno
T67 P Trim / 65 - crap
HTA 88 - 9.75 @ 145 (floating valve Spings)
AWD 1000R - newbie
Turbos I have tested and used
Stock turbo - 11.88 @ 119 - (First into 11's in a US Evo)
HKS 3037 - 11.65 @ 122
HKS 3042 - 10.90 @ 128
Gt35 - 9.98 @ 138 - (First in the 9's on a Gt35 and first without use of nos)
Gt40 - crap
Gt42 - 70 mm
Gt42 - 74 mm
Gt42 76 mm - 9.50 @ 148 (block cracking in half) 1060 whp peak on dyno
T67 P Trim / 65 - crap
HTA 88 - 9.75 @ 145 (floating valve Spings)
AWD 1000R - newbie
Sep 7, 2009, 11:51 AM
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Thanks Mike for all your hard earned R & D and pushing the enevelope, its no accident why AWD has the quickest Evo 8 or IX time for 2009 and why it was done on a T3 turbo - 8 second time slips dont lie !
Al
Al
Sep 7, 2009, 03:24 PM
#26
Al your dead right about the valve springs when compressed for long periods. i had a motor that was running sweet it was then installed in another car after i sold it. a long period past of not being used, it was run and found to be well down on power i scratched my head over it alot and it was the last thing to try a change the springs and hey presto it was sweet again.living and learning
Last edited by leecavturbo; Sep 7, 2009 at 03:26 PM.
Sep 7, 2009, 06:06 PM
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Al your dead right about the valve springs when compressed for long periods. i had a motor that was running sweet it was then installed in another car after i sold it. a long period past of not being used, it was run and found to be well down on power i scratched my head over it alot and it was the last thing to try a change the springs and hey presto it was sweet again.living and learning
Al
compared to 14$ c16 
Sep 8, 2009, 01:40 AM
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How do you think your setup would perform with a T3 based turbo?
Sep 8, 2009, 07:50 AM
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Well this really is a turbo best suited to T3
I honestly would be only engaging in pure speculation to try and qualtify or estimate what effect the T4 flange on the twin scroll header and T4 back housing is having on my set up.
I ordered a T3 header from one of my sponsors a long time ago for testing but I have not seen it and its been several months. If anyone has a T3 mainifold they want to to lend me for testing I am game.
Al
I honestly would be only engaging in pure speculation to try and qualtify or estimate what effect the T4 flange on the twin scroll header and T4 back housing is having on my set up.
I ordered a T3 header from one of my sponsors a long time ago for testing but I have not seen it and its been several months. If anyone has a T3 mainifold they want to to lend me for testing I am game.
Al