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Re: Has anybody seen or tried this?
Personally, I don’t think it would be worth the time even to play around with it. As joedoh noted, you’ll need to retune to account for the significantly larger flow rate. I don’t know the stats off the top of my head but I believe those motors made in the 200hp range on 25 lb/hr injectors. Doing a quick linear scale; 78 lb/hr injectors would be suited for a motor making 800+ hp. Also, the author noted that you may experience injector flow variations, which I think is an understatement.
I watched an episode of Hot Rod Garage where they did a cheap turbo on a 5.3 and they used the 42 lb/hr “Green Giant” Bosch injectors. You can find Chinese knockoffs of these for $10 a piece on eBay. I don’t know what pressure that flow is rated at but you can approximate the flow at your regulated pressure by taking 42 times the square root of the ratio of your pressure to the rated pressure.
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