# first turbo ZR1

**URL:** https://forums.speedlife.net/t/first-turbo-zr1/251199
**Category:** Shift518 Automotive
**Created:** [March 29, 2010, 5:48pm UTC](https://forums.speedlife.net/t/first-turbo-zr1/251199 "2010-03-29T17:48:20Z")
**Posts on this page:** 1
**Showing post:** 38

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### Author: ![Wayne64SS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne64ss/32/6365_2.png) [@Wayne64SS](https://forums.speedlife.net/u/Wayne64SS)
#### Post date: [March 30, 2010, 6:22am UTC](https://forums.speedlife.net/t/first-turbo-zr1/251199/38 "2010-03-30T06:22:23Z")

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> [@FS: 350 chevy roller block 4 bolt main 200$](https://forums.speedlife.net/t/fs-350-chevy-roller-block-4-bolt-main-200/29752/6):
>
> With what timing?
> 
> Also, where is Nelson Performance?

19-20 psi is about the max on 93. timing is usually 20-23deg.

Hard to guage based on that though, a LOT of tuners / owners like to butcher the cobras, and burn up pistons looking for every single HP they can get. DUMB.

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