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Nitrous to turbo

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Old Sep 3, 2017 | 06:23 AM
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Default Nitrous to turbo

I posted a while back about converting but am getting more serious about it now. Coming from a carbed nitrous motor in my sig. I'm assuming I'm putting somewhere around 650whp out right now so I feel like my goal will to be start out at least at 750whp while I learn but eventually would like to get to 1000whp.

My motor is around 10.7:1 compression and am just going to leave it as is. I have a truck intake laying around so I am going to try and use it to save some money. Deka 80 injectors. Turbo wise I am on the fence as to run twin On3 70mm or a single s480. Assuming I could run dual 38mm gates on the twin setup and maybe a larger one on the single setup. Don't flame me but I'm just going to run the cam I currently have in it right now and see how it does. I can always change it later. This will all be managed by a Holley HP efi system on C16 fuel. I know the fuel is probably overkill for my goals but with my compression it gives me peace of mind. It is backed by a th350 right now that is going to get changed to a 400. Ford 9" 3.89 all in a 3,900 lb 92 GMC regular cab. Mainly wanting opinions on turbo selection and fuel system. I think the twins would be cool but the single will be easier and cheaper to work with.
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Old Sep 3, 2017 | 10:52 AM
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What size is the motor and what has been done to it? What are the cam specs in it now? Converter? IMO big single is the way to go. S480 is a great turbo but if you got big cubic inches a bigger borg may serve you better. And if you plan to turn it up later may as well go with some bigger injectors
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Old Sep 3, 2017 | 11:43 AM
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It's the motor in my sig. any recommendations on injectors?
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Old Sep 3, 2017 | 11:58 AM
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go ahead and get some 80# injectors I wanna say they are rated at 96# at gm pressure. Should be plenty to start out with. Also go with a decent fuel setup from the start.
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