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Turbo back to NA/Nitrous. 434ci sleeved stroker LSx build.

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Old Jun 29, 2012 | 08:12 AM
  #81  
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Originally Posted by Brew_haha
mark you need some go pro videos of this thing!

+1, Do it!!!!!!!!!
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Old Jul 2, 2012 | 07:50 AM
  #82  
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Heres a quick break-in video of the car. 21* timing(ill be running around 28 or so once fully broken in) running around 12.5:1 afr. (13:1 after tuned)

https://www.youtube.com/watch?v=eP35...Y&feature=plcp
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Old Jul 2, 2012 | 05:30 PM
  #83  
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Was it just me or did it sound like you were loosing traction in 4th on a break in tune
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Old Jul 2, 2012 | 06:53 PM
  #84  
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haha I don't think so. Im running no timing and 12.2 afr. I just made a newer tune..now 25* timing and 12.7 afr. Ill finish off at 28* and 13.1 afr. The +4* and -.5 on fuel made a ridiculous difference. 700 more miles till I can really kill this thing...once I hit 1000 miles ill put the nitrous on and bring it to the track.
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Old Jul 3, 2012 | 12:53 PM
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good lord. glad i bought that same tach lol
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Old Jul 3, 2012 | 01:06 PM
  #86  
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Speaking of, need to change that gauge face, LS2 Turbo isn't very accurate anymore, haha
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Old Jul 4, 2012 | 11:50 AM
  #87  
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what afr are you planning to target on spray? and how much timing on it too?
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Old Sep 16, 2012 | 08:08 PM
  #88  
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12.0 on nitrous and Im running 28* of timing NA right now on pump no spray.
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Old Sep 16, 2012 | 08:14 PM
  #89  
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Few updates.. After months of misery trying to find my problem I finally found it and fixed it. The camshaft in my car must of been ground wrong causing all sorts of crazy problems. I had low compression, no brakes at idle(no vacuum really anywhere) and a HUGE backfire/breakup/loss of power from 2-3k. Not to mention the car felt like it was driving through mud under 4500rpms. After replacing just about EVERYTHING on the top of the engine and doing every test known to man, I decided to change the camshaft. The second I started the car with the new cam I knew it was going to be a good thing. I had vacuum in the engine, it ran so damn smooth, and after an hour of retuning the whole car, it was FINALLY the monster ive been waiting for. I even got around to installing the nitrous which I haven't used yet but will soon.

before the proper silicone 90*
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After..with the new elbow allowing me to run my LS7 MAF.

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Old Sep 16, 2012 | 08:15 PM
  #90  
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Heres my first 60-130mph run (7.1 seconds) This is NA no nitrous.

This is a quick rev with the new cam..

And from the back...
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Old Sep 17, 2012 | 09:42 AM
  #91  
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Man congrats, glad you worked out all the problems.. Sounds amazing.

Question is that lift in your home garage.. Pretty legit
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Old Sep 17, 2012 | 10:19 AM
  #92  
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Very nice Snyper! I'm glad you got it all figured out!

Now come get me!
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Old Sep 17, 2012 | 03:11 PM
  #93  
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Ut oh he's back!!!!!
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Old Sep 17, 2012 | 05:25 PM
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Very nice... way to stick with it Mark!!
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Old Sep 18, 2012 | 09:15 AM
  #95  
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Snyper what time are you aiming for?
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Old Sep 18, 2012 | 09:54 PM
  #96  
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9.99@whatever on 18" rims driving to and from track on one tank of gas full interior. lol
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Old Sep 19, 2012 | 03:13 AM
  #97  
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Originally Posted by SnyperZ
9.99@whatever on 18" rims driving to and from track on one tank of gas full interior. lol
I look forward to seeing it! Although I'm happy with my car I will always wish I could drive to the track or around town for that matter.
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Old Sep 24, 2012 | 06:27 PM
  #98  
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Yeap..I drive mine EVERY day rain or shine. (just no snow)
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Old Sep 24, 2012 | 06:44 PM
  #99  
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Insane
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Old Oct 19, 2012 | 09:17 PM
  #100  
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Kind of off topic but we are swapping an LS into a Subaru BRZ now. The car has 100 miles on it lol. GTR on the left is getting a 1000whp build (twin 37rs) If anyone is interested in that build my friend has started a build thread over on LS1 tech and we will be updating as we progress.

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Last edited by SnyperZ; Oct 19, 2012 at 09:19 PM.
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