# 93+Meth vs. C16.

**URL:** <https://forums.speedlife.net/t/93-meth-vs-c16/246676>\
**Category:** Shift518 Automotive\
**Created:** [September 9, 2009, 6:05am UTC](https://forums.speedlife.net/t/93-meth-vs-c16/246676 "2009-09-09T06:05:50Z")\
**Posts on this page:** 1\
**Showing post:** 25

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**Author:** ![TurboTravis](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/turbotravis/32/6406_2.png) [@TurboTravis](https://forums.speedlife.net/u/TurboTravis)\
**Post date:** [September 10, 2009, 4:47am UTC](https://forums.speedlife.net/t/93-meth-vs-c16/246676/25 "2009-09-10T04:47:04Z")

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> [@WTHIRE: truck and trailer to pick up a junk car in wingdale, ny](https://forums.speedlife.net/t/wthire-truck-and-trailer-to-pick-up-a-junk-car-in-wingdale-ny/22826/2):
>
> conservative tuning for pump fuel :lol
> 
> and yes, find the point of knock, and back it off until it stops. not a hard concept to follow.
> 
> im not a huge meth fan, sure i could use it, run my race map all day long, but i just dont want to risk of that pump failing on me. sure my fuel pump coudl die and do just as much damage. but i wouldnt feel as bad.
> 
> people always say they just want meth for the cooling properties, and " im not going to tune for it, no added timing" and what happens? they throw a ton of timing towards it and have a 93+ meth tune on the car. then the pump fails. i know this why?? we did that to alot of evos, and what happened?? snow performance pump failed, and the “fail safe” failed as well :banghead
> 
> ^ car was my roomates FP green evo 8. the pump failed at a 75/25% mix, whatever happened, who knows, lucked out, and only lifted the head, nothing melted… it was approx a 10% fail rate for us, but still, enough to scare me away

Parts can (and do) fail, but in most cases it’s operator error/neglect/etc. My system gets the pump replaced each year, pressure monitering on the nozzles, gets op’s checked before each use, electrical connections per AC 43.13-1B, Chapter 11 (aircraft spec), tank level is visually checked often, etc

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