The Turbonetics Super T76
I am putting this on a rear mount setup. I am looking to make 800rwhp with it on a 408. I will be using it on my present 346 that is factory compression ratio but plan to limit the boost to something between 10 to 15psi while on that engine. That engine has stock shortblock. With a good intercooler, what do you think would be a safe boost pressure to limit it at on that 346? It will go all out on the 408(which is being built for the high boost). How bad do you think the lag time will be?
I want the turbo to make at least 500rwhp on the 346. I come close to that right now with my nitrous. I am getting away from nitrous. I have no idea what the HP will be on the 346 with this turbo. Got any ideas on that? It makes 375 right now without the nitrous (see sign below).
Hope someone has some experience with this kind of thing and can leave some feedback on what I can expect to see.
Thanks.
I was talking to my Turbonetics dealer, he said Turbonetics thinks I might have to replace the tubine housing once I put the 408 in it. They think the one they speced for the me might chock the engine off a lottle once I hit 7000rpm. We will just have to wait and see.
I hope everything gets here before next weekend so I can start installing the system!
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if it was me id get precision as they are less expensive then turbonetics and perform better.








