More power, Compound turbo?
#1
More power, Compound turbo?
I got my industrial injection turbo in over the winter and I'm starting to get power hungry again. I'm thinking about a compound turbo setup and need suggestions. Since I put the 66mm turbo I probably need to upgrade my Fass to a higher level. If I do a compound turbo though I don't really know what power level I will be at so I'm unsure which one to switch to. Should I make the motor a bit tougher at this level like head studs? My current mods are in my sig. Plus I have the bd exhaust manifold and a dmaxed out trans.
#2
Ive used the II kit keeping the stock turbo. Headstuds would deff. be in order. Re tuning would also be a good idea to keep the pistons intact. Id say that truck was 600+ range. Could have used a lot more fuel. Had fass 150, stock cp3, stock injectors, studs top and bottom, socal cam and head work, aftermarket coated pistons built trans. Truck was well on the way until the guy ran out of money.
#3
#4
Ive seen variations of kits from s475 to a s485. With efi you can probably get a lot of power with the stock cp3 but, an arson kit would offer a small but noticeable increase in fuel. Will really depend on injector size and more importantly the tuning. A rail pressure gauge can tell you if you need a bigger cp3 or duals.
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