Most power with a 5.3
07-01-2011, 02:54 PM
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Most power with a 5.3 Just want to hear about some peoples 5.3 builds. What's the most power you've made with an iron block 5.3 and a turbo? I'm building a stock bore iron block 5.3 with a stock crank and aftermarket rods and pistons. My compression should be around 9-9.5:1. I'll be running a stock set of 317 heads with good springs and most likely a custom grind turbo cam...or is there an off the shelf cam that would work good?? Ill be running a Borg warner S475 turbo with a 75mm compressor wheel and a 1.32 a/r with a t6 flange. Might run it on the street on e85 and possibly q16 at the track. This will be ran with a built powerglide and custom converter. I'd like to get some peoples opinions on my build and hear about your builds as well. Trying to build this thing as cheap as I can but I do know its still gonna cost me quite a bit. Thanks in advance for your replies
07-01-2011, 02:58 PM
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search. theres threads about this all the time. you'll run out of turbo quicker than you'll have to worry about the bottom end.. you cant go wrong with a custom cam. you may want to go with the 1.10 A/R, even with e85.
have fun and dont be afraid to ask questions...
have fun and dont be afraid to ask questions...
07-01-2011, 10:01 PM
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Thanks for your response. I've searched a ton!!! There's a lot of knowledge on here. I was just wanting opinions on my personal combo.
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07-02-2011, 03:11 AM
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07-02-2011, 04:35 PM
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you're definitly gonna want more turbo, and probably more cubes. are you running a standalone pcm? what are you doing for boost control? the s475 is likely going to be the limiting factor in this build.
07-02-2011, 06:15 PM
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I'm currently doing a build with a 4.8(was told it was a 5.3 but I checked it) and I have a Borg Warner S475 with a .90 T4 housing. I will also be using E85
600+ whp or go home.
9.50s or 140+ in the 1/4
600+ whp or go home.
9.50s or 140+ in the 1/4
