# Shadys Z31 - GlowShift Jigga What?

**URL:** <https://forums.speedlife.net/t/shadys-z31-glowshift-jigga-what/238897>\
**Category:** Builds\
**Created:** [September 11, 2008, 8:10pm UTC](https://forums.speedlife.net/t/shadys-z31-glowshift-jigga-what/238897 "2008-09-11T20:10:37Z")\
**Posts on this page:** 1\
**Showing post:** 430

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**Author:** ![Shady](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@Shady](https://forums.speedlife.net/u/Shady)\
**Post date:** [March 2, 2010, 1:57pm UTC](https://forums.speedlife.net/t/shadys-z31-glowshift-jigga-what/238897/430 "2010-03-02T13:57:23Z")

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> [@E34 Touring Progress Thread](https://forums.speedlife.net/t/e34-touring-progress-thread/29685/19):
>
> “I’m tearing my heads off to bring to get ARP studs put in”
> 
> To use ARP head studs you have to pull the motor. I’m glad to see you still have plans for the z31.

ARP Exhaust studs, not head studs…

And Pete, boost tapered to aroun 13 by 6200 when there was no leak… with the leak it drops down under 10lbs at 6200

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