theDreamer's Z

theDreamer

I have the largest that fits (c38-81) unless I can get the GTM motor mounts that give it the extra space to fit the c38-91.
Bauer used the 81 with an 88mm pulley (and some of the other 1.5 upgrade pieces) and got to 500whp. Sourcing the new intake piece & pulley is the tough part from GTM, emailed & called so far but have not heard back.

If it all falls through I can just dump a new 81 with the same pulley/injectors/etc and touch up the tune for a new SC, but seems like a waste with having to rip it all out already.

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theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN
theDreamer's Silvia // URAS // GREDDY
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Chuck33079

Jtran could fab you a new motor mount if that's all you need.

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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

theDreamer

I emailed Amber this morning on the parts list of what I need.
Two things I have found out while working on this upgrade:
-GTM may have customized the pulley offset of the rotrex unit, so they are not off the rack Rotrex pulleys.
-To upgrade to the 91 unit I need their engine mounts

The 1st one I am hoping that with my SC I can either salvage the custom work off it to fit the pulley or have a shop reverse engineer it, and the 2nd I am unsure of so asking around.

It might take sending the car to Jtran for them to tear it apart to see what they can do. Apparently I need to redo the intake piece from the filter to the SC as it has a couple bends that hurts airflow when trying to do smaller pulleys. One reason GTM put the intake filter right under the headers, the other we all know why....

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theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN
theDreamer's Silvia // URAS // GREDDY
Houston Zs // Facebook // Twitter // Instagram