# 1998 cobra build thread

**URL:** https://forums.speedlife.net/t/1998-cobra-build-thread/155982
**Category:** Builds
**Created:** [June 3, 2010, 11:35am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982 "2010-06-03T11:35:19Z")
**Posts on this page:** 20
**Page:** 2

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 10, 2010, 3:20pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/21 "2010-06-10T15:20:50Z")

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i wanna see some details on ur car jack!

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### Author: ![Sansone](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sansone/32/4970_2.png) [@Sansone](https://forums.speedlife.net/u/Sansone)
#### Post date: [June 11, 2010, 11:37am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/22 "2010-06-11T11:37:59Z")

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Nice build! Looking forward to seeing what she does. Good job :tup:

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### Author: ![Jack](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jack/32/7613_2.png) [@Jack](https://forums.speedlife.net/u/Jack)
#### Post date: [June 12, 2010, 1:18pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/23 "2010-06-12T13:18:09Z")

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> [@harvboi05](#):
>
> i wanna see some details on ur car jack!

Search for the thread about the turbo cobra making noise… Choda made it. 😉

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 12, 2010, 2:30pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/24 "2010-06-12T14:30:49Z")

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made a quick vid today with travis. these centri setups seem kinda lame under 4k rpm but it still sounds awesome. this vid is of the LM1s, i just swapped LM2s on like 30 minutes ago.

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### Author: ![deebo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deebo/32/5218_2.png) [@deebo](https://forums.speedlife.net/u/deebo)
#### Post date: [June 12, 2010, 2:42pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/25 "2010-06-12T14:42:58Z")

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sweet! nice job  
seems pretty fast

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### Author: ![cobraman04](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cobraman04/32/4963_2.png) [@cobraman04](https://forums.speedlife.net/u/cobraman04)
#### Post date: [June 12, 2010, 2:47pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/26 "2010-06-12T14:47:21Z")

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sounds like my car did before i went with magnaflows

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 12, 2010, 8:41pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/27 "2010-06-12T20:41:29Z")

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its soo quiet now with the LM2s! it kinda sucks but atleast i can hear the blower now. ha.

hey cobraman, if you wanna email me some datalogs, i figured out how to dial in LTFTs perfectly in excel. all you need to record is LTFTs and MAF counts, just take a nice long drive with no WOT pulls, highway cruising and some city driving. it also makes open loop starts much more enjoyable, ha.

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### Author: ![08GT500](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/08gt500/32/5417_2.png) [@08GT500](https://forums.speedlife.net/u/08GT500)
#### Post date: [June 12, 2010, 11:18pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/28 "2010-06-12T23:18:08Z")

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:bigtup:

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### Author: ![cobraman04](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cobraman04/32/4963_2.png) [@cobraman04](https://forums.speedlife.net/u/cobraman04)
#### Post date: [June 13, 2010, 6:47am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/29 "2010-06-13T06:47:40Z")

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me and ken finally got some logs done on Friday and sent them to the tuner we did some street driving which is pretty much spot on, no drops in idle no hiccups but when i went wot at about 4k rpm when boost starts to build it started going a little lean. you should have seen when we did that step test you know going from 1k to 4500 in 500 rpm intervals it sounded like the apocalypse and the bypass was blowing up the carpet that ken had under his car lol  
oh and i hated those lm1s on my car they were so loud it made my head hurt driving it now the blower makes my head hurt lol.

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### Author: ![psphinx81](https://avatars.discourse-cdn.com/v4/letter/p/e9a140/32.png) [@psphinx81](https://forums.speedlife.net/u/psphinx81)
#### Post date: [June 13, 2010, 7:43am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/30 "2010-06-13T07:43:09Z")

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ugh greg, i thought my head was going to explode… my god i thought my car was loud!

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### Author: ![Willybeen](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/willybeen/32/7351_2.png) [@Willybeen](https://forums.speedlife.net/u/Willybeen)
#### Post date: [June 13, 2010, 8:04am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/31 "2010-06-13T08:04:25Z")

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:tup: \<3 the sound of mustangs

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### Author: ![cobraman04](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cobraman04/32/4963_2.png) [@cobraman04](https://forums.speedlife.net/u/cobraman04)
#### Post date: [June 13, 2010, 9:03am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/32 "2010-06-13T09:03:15Z")

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> [@psphinx81](#):
>
> ugh greg, i thought my head was going to explode… my god i thought my car was loud!

it would have been sick to get that on video lol

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 13, 2010, 9:17am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/33 "2010-06-13T09:17:37Z")

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your car is gunna be super badass! how much boost are you running right now?

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### Author: ![cobraman04](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cobraman04/32/4963_2.png) [@cobraman04](https://forums.speedlife.net/u/cobraman04)
#### Post date: [June 13, 2010, 9:35am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/34 "2010-06-13T09:35:20Z")

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the pulley combo should be good for like 22-24 psi i wont really know until i do some wot pulls its hard to figure with the cog setup cuz theres no size step like 3.1" etc it goes by teeth on the pulley. but another guy running the same setup just different he ran an 88 tooth crank pulley and a 51t blower pulley and he made just under 24psi, im running an 81t crank and a 45t blower pulley

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 13, 2010, 9:45am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/35 "2010-06-13T09:45:54Z")

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haha, thats gunna be dangerous as hell to dial in on the street!

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### Author: ![cobraman04](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cobraman04/32/4963_2.png) [@cobraman04](https://forums.speedlife.net/u/cobraman04)
#### Post date: [June 13, 2010, 10:30am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/36 "2010-06-13T10:30:32Z")

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i know i wanna go to the dyno for final wot tuning

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### Author: ![travisn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/travisn/32/5046_2.png) [@travisn](https://forums.speedlife.net/u/travisn)
#### Post date: [June 13, 2010, 5:21pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/37 "2010-06-13T17:21:52Z")

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we need some vids of your superb down shifting skills.

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 13, 2010, 7:10pm UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/38 "2010-06-13T19:10:25Z")

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i wish i had vids of the C6 Z06 that just put about 6 bus lengths on me.

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### Author: ![travisn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/travisn/32/5046_2.png) [@travisn](https://forums.speedlife.net/u/travisn)
#### Post date: [June 14, 2010, 6:04am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/39 "2010-06-14T06:04:07Z")

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☹

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### Author: ![harvboi05](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvboi05/32/5124_2.png) [@harvboi05](https://forums.speedlife.net/u/harvboi05)
#### Post date: [June 14, 2010, 6:07am UTC](https://forums.speedlife.net/t/1998-cobra-build-thread/155982/40 "2010-06-14T06:07:41Z")

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i faired much better against a new camaro with unknown mods tho 🙂 first real kill in the mustang!

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