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ZL1 Colorado: take 2

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Old 05-02-2019, 08:47 PM
  #81  
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oh, i didn't realize they had electronic bypasses. that makes a ton more sense now... and makes it a lot easier on you.
Old 07-02-2019, 09:52 AM
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This is becoming more difficult.








At this point I've decided I want to make it a rear mount. Too many things to lose and not enough to gain by putting it under the hood. Its also impossible to find a video of this thing in action, so I'm really looking forward to hearing how it sounds
Old 10-11-2019, 07:35 AM
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Making some decent progress on this thing. Got the PCBs in a few days ago, just need a few more parts to get it populated and the controller will be functional. I think the boards came out pretty sweet. Kept everything nice and spread out because the boards are super cheap per unit area and I don't trust chinese board printers with fine trace spacing lol. As any good fab project begins, the turbo is suspended by tie straps and zip ties awaiting the welded stuff Gonna be a tight fit no matter where I end up mounting this thing.









Old 10-23-2019, 10:13 PM
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5" exhaust looks a little smaller than I expected. Should be ready to fire it up this weekend.
Old 10-23-2019, 10:40 PM
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Any pics of your plumbing?

Looks like fun! 5" does look small from that angle

that's what she said
Old 10-23-2019, 10:49 PM
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I'll have more pictures as I make more progress.


Old 10-28-2019, 10:18 AM
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Scavenge pump mounted, oil lines routed, turbo-back exhaust complete, wastegate plumbing has begun. Things are a little more difficult since the plumbing is staying true to the twin-scroll design, bank 2 on the left, bank 1 on the right, yet running a single gate. Actually a real pain in the *** to fabricate since I don't have a tubing notcher. Technically I could have fired it up to get a whiff of that whistle sound, and I was tempted to...but preferred not to have to disconnect the oil lines and have it drip everywhere as I continue fabricating under the truck. Got everything to do the job, just need the time to do it all. Couple more weekends...

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Old 10-28-2019, 08:01 PM
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Nice. Where are you piping cold side to?
Old 10-28-2019, 11:23 PM
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Originally Posted by silentbravo
Nice. Where are you piping cold side to?
The throttle hopefully I haven't gotten that far yet but it will be routed through an odd path down the passenger side and then up the driver side of the engine.
Old 10-29-2019, 02:47 PM
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Aha, I meant the filter side of turbo . Is that going to just have a filter on it below the truck bed or some type of snorkel up higher?


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