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Old 11-16-2019, 08:30 PM   #1
dbvettez06
 
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Pulley change on 2012-2015 Z

Has anyone done a pulley change with dyno #s to verify the before and after with just this one change ? I believe you can go 10% without issues. Thanks in advance.
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Old 11-16-2019, 10:20 PM   #2
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This is mine with a 10% lower through a A6
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Old 11-17-2019, 12:14 AM   #3
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Originally Posted by tartagliazl1 View Post
This is mine with a 10% lower through a A6
Very nice gain. Thank you.
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Old 11-17-2019, 06:44 AM   #4
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Very nice gain. Thank you.
your welcome. but its never enough though. I have a 22% lower now with all the bolt ons and I still want more. cam and ported blower coming this winter.
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Old 11-17-2019, 06:52 AM   #5
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Quote:
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your welcome. but its never enough though. I have a 22% lower now with all the bolt ons and I still want more. cam and ported blower coming this winter.
I second that!!! Porting heads and S/C this spring when it’s outta hibernation!!
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Old 11-21-2019, 09:00 PM   #6
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Quote:
Originally Posted by tartagliazl1 View Post
This is mine with a 10% lower through a A6
Any headers or intake? Also, did you need larger injectors?

Thank you!
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Old 11-21-2019, 09:09 PM   #7
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Any headers or intake? Also, did you need larger injectors?

Thank you!
Speed engineering headers, fic 850 injectors, vararam intake, roto-fab big gulp
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Old 11-21-2019, 09:10 PM   #8
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You don’t need injectors if you only do a 10% and intake.
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