# just wanted to do a couple dyno pulls (JR TUNE INSIDE)

**URL:** <https://forums.speedlife.net/t/just-wanted-to-do-a-couple-dyno-pulls-jr-tune-inside/254252>\
**Category:** Shift518 Automotive\
**Created:** [August 31, 2010, 4:43pm UTC](https://forums.speedlife.net/t/just-wanted-to-do-a-couple-dyno-pulls-jr-tune-inside/254252 "2010-08-31T16:43:42Z")\
**Posts on this page:** 1\
**Showing post:** 38

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**Author:** ![TurboTravis](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/turbotravis/32/6406_2.png) [@TurboTravis](https://forums.speedlife.net/u/TurboTravis)\
**Post date:** [September 1, 2010, 2:26pm UTC](https://forums.speedlife.net/t/just-wanted-to-do-a-couple-dyno-pulls-jr-tune-inside/254252/38 "2010-09-01T14:26:48Z")

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> [@FS: Deisel Toureg](https://forums.speedlife.net/t/fs-deisel-toureg/34708/10):
>
> I would love to see data that supports this. Most GM VCM’s are extremely open. I don’t know of a single feature that it doesn’t have that I would desire (especially when you consider a custom OS).
> 
> I will admit that my tuning has been limited to eManage, crome, crome pro, hondata, HP tuners and flashpro, but out of any of them HP tuners is by far the most in depth. Most of others have such horribly generic tables and options that I feel like I’m playing with a Fisher-Price product.

Can you control boost, and change the boost in each gear with a GM ECU and HP Tuners?

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