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On3 performance 78/76

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Old 11-20-2014, 08:19 AM
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Originally Posted by tucn26
Yes, my ls1 has stock internals.
That is awesome. A real testament of what this turbo is capable of. For reference, on my old setup which consisted of a SBE LQ4, TU1 cam, LS6 intake, 4L80E, Circle-D converter, and a Turbonetics 7875, the car trapped 136 mph on 10-11 lbs. Trapped 141-142 on 14-15 lbs., but my car was a stripper Z28 so I am guessing it weighed slightly more than yours and obviously had slightly larger engine with a boost cam. I am really thinking of picking up one of these turbos for my next project.
Old 11-20-2014, 09:24 AM
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What does your fuel system consist of tucn26? Sorry to bombard with questions, can't get over the success with such a budget setup.
Old 11-20-2014, 10:11 AM
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Originally Posted by Photochop
What does your fuel system consist of tucn26? Sorry to bombard with questions, can't get over the success with such a budget setup.
No problem, glad I can help others. I'm running a single intake Walboro 255 and meth
Old 11-20-2014, 10:54 AM
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Originally Posted by tucn26
No problem, glad I can help others. I'm running a single intake Walboro 255 and meth
No return and external fuel pressure regulator?
Old 11-20-2014, 11:00 AM
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Originally Posted by Photochop
No return and external fuel pressure regulator?
Nope lol. I got the car from a friend and he had already swapped the 255 in place of the stock pump.
Old 11-20-2014, 11:06 AM
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Wow. Lemme guess, stock injectors too?

Regardless that's pretty ballsy without a return/fpr. Most tuners around here don't wanna touch a car that isn't setup with a boost referenced regulator. What meth kit is on the car and what size nozzle?
Old 11-20-2014, 11:26 AM
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Originally Posted by Photochop
Wow. Lemme guess, stock injectors too?

Regardless that's pretty ballsy without a return/fpr. Most tuners around here don't wanna touch a car that isn't setup with a boost referenced regulator. What meth kit is on the car and what size nozzle?
I'm using SD 60s and a snow boost referenced meth kit. Snow kits come with 3 nozzles and I'm using the middle one, can't remember the exact size. I tune my own stuff so I was willing to experiment lol.
Old 11-20-2014, 11:51 AM
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Do you log any data? Curious to see whats happening at base fuel pressure vs injector duty cycle vs AFR @ 15psi @ 5700rpm
Old 11-20-2014, 01:23 PM
  #249  
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Originally Posted by Photochop
Do you log any data? Curious to see whats happening at base fuel pressure vs injector duty cycle vs AFR @ 15psi @ 5700rpm
I'll log it next time I'm out. Afr is solid though.
Old 11-23-2014, 10:27 AM
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Any updates?
Old 11-23-2014, 04:05 PM
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Any updates?!?!?!?!?!?!
Old 11-23-2014, 07:58 PM
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No sorry the weather didnt cooperate last weekend. Hoping it will this coming weekend...
Old 11-30-2014, 06:32 PM
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A little update. I went 9.6@146 today!
Old 11-30-2014, 06:35 PM
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Boost? Gas? Still 93 octane and meth? Video maybe?
Old 11-30-2014, 06:58 PM
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Originally Posted by jaydubb
Boost? Gas? Still 93 octane and meth? Video maybe?
14.5 psi. Still 93 and meth. Uploading vid now.
Old 11-30-2014, 07:17 PM
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I red lit building boost it pushed me through my brakes. Started using the ebrake on the passes after and all was good.

Old 11-30-2014, 08:21 PM
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good job I guess that turbo gets it done.
Old 11-30-2014, 08:31 PM
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Originally Posted by yenkomike
good job I guess that turbo gets it done.
It's for sure worth the 420$ I paid but I'm thinking about switching to a s475 now.
Old 11-30-2014, 10:01 PM
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Originally Posted by tucn26
A little update. I went 9.6@146 today!
Heck Yes! That is getting it done!
Old 12-01-2014, 06:38 AM
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Originally Posted by tucn26
14.5 psi. Still 93 and meth. Uploading vid now.
tucn26, still running 10psi? If so why? There may be a huge gain going to 12-14* and still be totally safe.


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