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On3 performance 78/76

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Old 11-18-2014, 03:06 PM
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Originally Posted by JustAFooL
That sounds pretty good. What was your 1/8 et and mph on that pass?
1/8th was 6.6 @ 108
This was on a trailblazer v6 converter and using hptuners vcm controls to hold the car in 3rd gear lol. I swapped to a billet fti piece now. I can actually make boost on the footbrake now. My car also has a drag pack other than that, everything is 100% stock.



Last edited by tucn26; 11-18-2014 at 03:20 PM.
Old 11-18-2014, 04:10 PM
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If that was just 15#, that's definitely a 9 second combo if it was turned up a little. I would say it probably even is with your new converter. Really good to see this thing performing.
Old 11-18-2014, 04:36 PM
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its neat to see that this turbo is capable of getting heavier cars to the 140 mark

thats what i expected out of the 75 turbine
Old 11-18-2014, 04:43 PM
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I'm confident with this new converter it'll go 9s. My 60' is holding me back. I've made a lot of 60mph roll races with my friends sc'd, cammed ls3 Vette that runs 9.9 and I walk off from him at 60 mph.
Old 11-18-2014, 05:18 PM
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Originally Posted by tucn26
I run the on3 7875 on my 99 trans am ls1. Two weekends ago I ran 10.1@135 with a 1.6 60'. This is on 15 psi and 10 degrees of timing
I've never dynoed my car though, only street tuned by me on 93 octane with meth
Was that with the 5.7 ls1 or 5.3, 4.8?
M6 or a4, what gear? Great numbers.
Old 11-18-2014, 05:23 PM
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Originally Posted by snksknr
Was that with the 5.7 ls1 or 5.3, 4.8?
M6 or a4, what gear? Great numbers.
5.7 ls1. A4 stock ten bolt with factory 3.23
Old 11-18-2014, 09:53 PM
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Originally Posted by tucn26
5.7 ls1. A4 stock ten bolt with factory 3.23
Thats amazing. I would love to boost my stock ls1, and 15psi would be awesome.

Any ARP studs used?
Old 11-19-2014, 08:04 AM
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Really looking at purchasing the On3 or the VS racing version of these turbos for my build. Good to see these things running well on the heavier cars on pump gas tunes. I have a Mercury Zephyr and I am sure it will weigh a little over 3000lbs once completed.

I will be using a 6.0 with 5.3 heads. Really looking forward to getting the car up and running, but have a lot of work ahead.
Old 11-19-2014, 10:05 AM
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Originally Posted by tnmotown
Thats amazing. I would love to boost my stock ls1, and 15psi would be awesome.

Any ARP studs used?
When I bought the car a valve was bent and I actually reused the stock tty bolts...if the weather holds I'll be going to the track again this weekend on 17-18 psi.
Old 11-19-2014, 10:36 AM
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Originally Posted by tucn26
I've never dynoed my car though, only street tuned by me on 93 octane with meth
Water/meth, washer fluid or straight meth???
Old 11-19-2014, 12:12 PM
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tucn26, thank you for posting your results. Many of us have been waiting for real world testing with this turbo, it's fantastic that it works so well with such a mild setup. Can't wait to hear results with a couple more psi and a better converter.

Stock cammed LS1? Whats your suspension consist of? Did I miss that?
Old 11-19-2014, 12:32 PM
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Originally Posted by tucn26
When I bought the car a valve was bent and I actually reused the stock tty bolts...if the weather holds I'll be going to the track again this weekend on 17-18 psi.
Sweet! Keep us posted if you do make it to the track.

Also, what converter are you running?
Old 11-19-2014, 06:27 PM
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Got one of these is today. Here are a few pics.
Attached Thumbnails On3 performance 78/76-20141119_163316.jpg   On3 performance 78/76-20141119_163338.jpg   On3 performance 78/76-20141119_163403.jpg   On3 performance 78/76-20141119_163528.jpg   On3 performance 78/76-20141119_163624.jpg  

On3 performance 78/76-20141119_163801.jpg   On3 performance 78/76-20141119_163844.jpg   On3 performance 78/76-20141119_164609.jpg   On3 performance 78/76-20141119_164614.jpg   On3 performance 78/76-20141119_165700.jpg  

Old 11-19-2014, 06:30 PM
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Few more
Attached Thumbnails On3 performance 78/76-20141119_170853.jpg   On3 performance 78/76-20141119_171019.jpg  
Old 11-19-2014, 06:34 PM
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I got mine also... no need to post pics. It's a twin of yours. Lol
Old 11-19-2014, 06:41 PM
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My suspension is 100% Stock. Only mod I've done is pull the front sway bar off. I've got some pictures of good launches using the force 3rd gear trick and lifting the wheels. It also broke my damn dash when I launched I'm also running a modded version of he cx racing ac kit.
Old 11-19-2014, 06:55 PM
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Originally Posted by tnmotown
Sweet! Keep us posted if you do make it to the track.

Also, what converter are you running?
Billet fti 3600. So far so good. I'll update with track results this weekend.
Old 11-19-2014, 06:55 PM
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Originally Posted by jaydubb
Water/meth, washer fluid or straight meth???
I always run 100% meth.
Old 11-20-2014, 07:18 AM
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Originally Posted by tucn26
My suspension is 100% Stock. Only mod I've done is pull the front sway bar off. I've got some pictures of good launches using the force 3rd gear trick and lifting the wheels. It also broke my damn dash when I launched I'm also running a modded version of he cx racing ac kit.
The LS1 is stock internally as well (sorry if I missed it somewhere)? If so, that's impressive.
Old 11-20-2014, 07:33 AM
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Originally Posted by RedRocketZ28
The LS1 is stock internally as well (sorry if I missed it somewhere)? If so, that's impressive.
Yes, my ls1 has stock internals.


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