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Old 04-01-2025, 11:49 AM   #1
Saberscar223
 
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What all do you need to run port injection?

I know I need Katana Port Plates, Reflex Controller and Low side, Im going with the DSX Dual tank pump because ive heard the Aux pump is a pain to tune and has issues when the tank is less than 50% full. But what piping and stuff is needed? I doubt the plates and reflex is all I need to connect it to the stock fuel system. I haven't really seen anywhere exactly everything id need coming from the stock lt1 fuel system
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Old 04-01-2025, 12:21 PM   #2
radz28
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https://www.camaro6.com/forums/showthread.php?t=613426

There's a lot to unpack, but I went through some detail on the installation at the beginning of the thread. There were specific requirements I was trying to maintain for my ride. You may not need to, so that's up to you to decide. While I'm still running the same fuel compensation method in that thread, no one else seems to. Most tuners are using the (traditional) method of pulling fueling from the MAF curve. I've had success (as far as I can tell) without doing that (largely - I'm pulling fuel where I probably don't need to [thanks in great part to a better understanding of why, from videos DSX has made many great videos about]), but I'm not suggesting anyone else do it this way - I was just sharing an alternate method that I came across, and was curious where it would take me. It seems good on my combo, and I'm running near 19-20-psi in 50-degree temps' (a couple pounds less when Summer comes). I still get 100% throttle blade opening and full spark @ WOT, with around 5-ms of IPW @ redline (along with EOI/SOI stretched as far as I can tell), so I feel like I'm on a good track. I'm at the limit of this method, though, because I can't pull anymore fuel from the DI (stock cam/LT4 DI) without raping the MAF curve, and that's fine. The car is PLENTY scary on the street, lol.

You might consider upgrading the DI to LT4 stuff if you want to maximize power, but if you maintain the OEM LT1 short block, there's probably no need because it might not hold the power anyways. You'll still make good power with LT1-stuff though. Just saying...

https://toohighpsi.com/blogs/tech-ar...l-line-routing

I'd go through this link and information several times to get a good understanding. I used this model for my set-up, and it's working great.

You'll need a bunch of fittings and line (SHOULD use PTFE line). Make sure to get your ethanol sensor/wiring, too. I went with the Katech fuel pump module and used the REFLEX PLUS to control the aux' pump, because the REFLEX PLUS can control it. It was a little more work to wire the pump and add the fuel filter (that is eliminated from the Katech module), but it was easy enough to add. The tuning for it, through the REFLEX, isn't bad at all, and I'm getting the PSI that I command, so I'm happy with it. That billet bucket is STUPID NICE THOUGH!!! It's a little hard to visualize how it's controlled through the E92, but DSX says it works, and I'm sure it does. Yes, sir!

Another great thing is TOOHIGHPSI (THPSI) continually refines and adds functionality for it's customers. Mike (the big cheese) is great to work with and is VERY customer focused. They just released a new software update, too, and that's always great. All THPSI stuff is great, too! There's another guy there, too (whom I'm not going to name, out of privacy - I didn't ask him if I could state it here), who has ALWAYS been SUPER HELPFUL to me. I look forward to some boost control and maybe some billet 10-rib stuff in the future.

That was a very high-level description. There's more information out there. Don't forget to find a calibrator out there!
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Last edited by radz28; 04-01-2025 at 12:42 PM.
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Old 05-01-2025, 03:00 PM   #3
2023_ZL1-AUTO

 
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I learned a lot from that post: https://www.camaro6.com/forums/showthread.php?t=613426 radz28 has helped me understand a lot when it comes to the fuel needed and port injection! I went with THPSI and the reflex controller, because, 1) reputation of the product, and 2) the people I happened to know that had port injection were all using THPSI! Good luck on your build !

This is my build: https://www.camaro6.com/forums/showthread.php?t=611982
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