# 4508r 1105whp 38psi

**URL:** https://forums.speedlife.net/t/4508r-1105whp-38psi/258216
**Category:** Shift518 Automotive
**Created:** [May 2, 2011, 9:35pm UTC](https://forums.speedlife.net/t/4508r-1105whp-38psi/258216 "2011-05-02T21:35:24Z")
**Posts on this page:** 1
**Showing post:** 79

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### Author: ![Eatonualive](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/eatonualive/32/6442_2.png) [@Eatonualive](https://forums.speedlife.net/u/Eatonualive)
#### Post date: [May 3, 2011, 2:44pm UTC](https://forums.speedlife.net/t/4508r-1105whp-38psi/258216/79 "2011-05-03T14:44:04Z")

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> [@Mk4 30R"](#):
>
> not sure if trolling?
> 
> he has tune another E85 supra making over 1200whp…
> 
> E85 resists detonation very well. its more than just the octane rating that makes a specific fuel work, and work well

im not trolling, just asking questions man. and i know that there is more than just the octane value.

> [@how fast have you gotten your car?](https://forums.speedlife.net/t/how-fast-have-you-gotten-your-car/36582/264):
>
> E85 is better than C16 for this application.

why??

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