Pontiac Solstice Forum

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-   General Solstice Discussion (https://www.solsticeforum.com/forum/f11/)
-   -   Rotrex owners opinions wanted (https://www.solsticeforum.com/forum/f11/rotrex-owners-opinions-wanted-149329/)

Healix 12-13-2017 08:28 PM

Rotrex owners opinions wanted
 
Looking to hear input from any and all Rotrex owners. What is your experience? I'm ready to pull the trigger, but trying to decide between Hahn stage 3 turbo, or the upgraded Rotrex kit from DDM. Your input is greatly appreciated!

ChopTop 12-14-2017 07:23 AM

Subscribed. BTW, you may want to post this question on the Skyroadster and KappapPerformance forums.

stuck 12-14-2017 08:31 AM

Basically, I like it. It fits in between a root blower & a turbo (I came from the aviation world & DON'T like heat). Because it acts like a turbo with the bypass valve, I've got mine set to 2 lbs before it lifts. Don't need an SC boost in Dallas traffic. The root kit's torque curve is linear and provides better boost at low rpms. Rotrex acts more like a turbo in that it provides peak power at higher rpms. If you're not local to DDM, you will need HP Tuners to be able to send the tune back & forth in case there's a problem.

Steelmesh 12-14-2017 01:22 PM

Quote:

Originally Posted by stuck (Post 2071202)
Basically, I like it. It fits in between a root blower & a turbo (I came from the aviation world & DON'T like heat). Because it acts like a turbo with the bypass valve, I've got mine set to 2 lbs before it lifts. Don't need an SC boost in Dallas traffic. The root kit's torque curve is linear and provides better boost at low rpms. Rotrex acts more like a turbo in that it provides peak power at higher rpms. If you're not local to DDM, you will need HP Tuners to be able to send the tune back & forth in case there's a problem.

Has anyone installed a roots or twinscrew on a Kappa car?

stuck 12-14-2017 01:42 PM

Yeah, DDM used to sell a Magnuson kit before they switched to Rotrex. Don't remember the model number.

sLAsh 12-14-2017 04:48 PM

I had a cobalt SS SC and while my solstice has more horsepower and is faster in many ways the cobalt felt quicker and more responsive.

ChopTop 12-14-2017 05:31 PM

It was the MP62 Supercharger, I'm not sure how many kits were sold.


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