# Halloween Dyno Day at C&C MotorSports

**URL:** <https://forums.speedlife.net/t/halloween-dyno-day-at-c-c-motorsports/247339>\
**Category:** Shift518 Automotive\
**Created:** [October 5, 2009, 6:51pm UTC](https://forums.speedlife.net/t/halloween-dyno-day-at-c-c-motorsports/247339 "2009-10-05T18:51:35Z")\
**Posts on this page:** 1\
**Showing post:** 184

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [October 31, 2009, 7:11pm UTC](https://forums.speedlife.net/t/halloween-dyno-day-at-c-c-motorsports/247339/184 "2009-10-31T19:11:11Z")

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> [@Best NEW Car or Truck for under 17k](https://forums.speedlife.net/t/best-new-car-or-truck-for-under-17k/25165/22):
>
> I didnt gain HP On this particular dyno…On Charles dyno (sick speed performance) I gained 31rwhp and like 10rwtq. (367 prior tune, 398 after)
> 
> this dyno says I lost 20rwhp and like 45rwtq
> 
> Its not a big deal at all. Im just worried I have a valve train issue now.

doubtful it could be air differance ,gas content and so on .id be more suspect of the fuel pump losin steam and not be able to flow enough up top

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