Boosting a 5.3
Boosting a 5.3 hello everyone. first of all i drive a 90' SS454 but i just got a good deal on a 5.3 out of a 99 silverado with the manifolds still bolted up. i was thinking about doing boosting the 5.3 and putting it in my truck. Im really only looking for 450-500 wheel horse. Wat size turbo should i be looking for and how much boost should i need to see my goal? Also what mods to the motor should i need? injectors etc ? .. im new to the ls1 scene and boosting them .. any links or info would be great. not looking to make crazy power. i basically just wanna make turbo and blow off noises on the street lol . thanks
Im running a stock 5.3L shortblock, I used 6L heads to drop the compression. 15psi and it puts around 600hp to the wheels. I use a MPGT-45 turbo and 60psi injectors.
Its been a reliable cheap combo for 2 years now. I seen a few others on here with 5.3s, using T67-T70s and making about the same as me and even more.
Its been a reliable cheap combo for 2 years now. I seen a few others on here with 5.3s, using T67-T70s and making about the same as me and even more.
so really all i need to do is upgrade the injectors, make sure my fuel system is up to the task and get a good tune on it ? run a t70 at about 10-12psi and i should be good to go ? ill probally go to a ls6 intake just cuz the stock 5.3 one is ugly ..
im in the process of putting my car together. It just a 5.3 with a cam/valvesprings/retainers. ive got a an s475 with a 1.10 a/r on it and im gonna run 12 lbs or so and looking for 550 whp through a 400 and 8.8.
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I have pretty much that exact combo....its tons of fun and I beat it almost every day and its still going strong
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Verdad Gallardo boost comes in at 3900 and I cant determine any time difference between boost start and full boost really....as soon as it makes boost.....its seems to make it all...which to this point has only been 10 lbs
do you have a cam? right around 4k was what i was figuring. im already about 8k dollars into it and got about another 5k dollars to go. still got hotside/coldside and fuel and she'll be running
