Quote:
Originally Posted by ventura7211
The BW S480 is a good turbo, at 467ci it would be close to being on the small side, they run much better with a 350ci range engine. The S475 works well on 325in range engines.
Your heads should be fine, plenty of guys are making 1100WHP range with 317 ls heads that are similar, but not as good as yours on 6.0l engines with a S480 or GT-88 turbo.
On the other hand, several have made 700-1000WHP with stock 5.3ls and a S475.
Its all about matching the turbo and cam to the engine components. The engines above usually use 02 up Z06, LS3, or LS9 cams for budget builds.
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Thanks for the help. I am thinking that my final engine I want for my car will be about 440 CI. I am going to buy a IA block and was thinking of keeping the bore at 4.185 bore so I don't have head gaskets issues. I am still thinking of how to build this engine and I am on the fence as what to do CI wise. With the IA block it might be more beneficial to go with more CI though. Just thinking out loud more or less right now on this build. I would also like RA V heads, but you know how wanting is and actually getting goes.
I do have a 467 that is a runner right now that I am planning on starting my turbo build with.