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Supercharger Question

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Old 08-29-2004, 10:30 AM
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MY 5.3 with stage 1 heads, headerback exhaust,biult tranny 2900 stall, 3.73' posi rear, k&n, and a magnuson blower made
A tad under
340 torque and 310 hp... at peak 4.8 psi non intercooled...
Now I want to order a intercooled procharger set up too see what my numbers would be like.
Also if I wanted to add a recommended cam for supercharging.

If you guys could answer these questions it would be great.
Nick
Old 08-29-2004, 10:42 AM
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hopefully bigtex will chime in on the cam selection. there are plenty of them on the board also. why not a sts turbo?
Old 08-29-2004, 10:53 AM
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My stock 5.3 with a flowmaster made 352 rwhp and 348 rwft-lbs. This was with the stock fuel injectors and no tuning which ran kind of rich with the f.m.u.
Old 08-29-2004, 11:19 AM
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Originally Posted by yeary01z71
My stock 5.3 with a flowmaster made 352 rwhp and 348 rwft-lbs. This was with the stock fuel injectors and no tuning which ran kind of rich with the f.m.u.
A stock 5.3 made those numbers with only a flowmaster??? I need to see the dyno chart.
Old 08-29-2004, 11:42 AM
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It's possible,

With the STS kit at 5psi and a turbo cam I made 348rwhp (but a much broader power band that an ATI). The guy never said what kind of blower, or boost he was running so anything is possible.
Old 08-29-2004, 11:42 AM
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Originally Posted by yeary01z71
My stock 5.3 with a flowmaster made 352 rwhp and 348 rwft-lbs. This was with the stock fuel injectors and no tuning which ran kind of rich with the f.m.u.
Why do you have a FMU on your stock truck?
Old 08-29-2004, 11:46 AM
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Originally Posted by Fandango
Why do you have a FMU on your stock truck?
His truck isn't stock. He means that his truck stock WITH whatever FI kit he is running. Meaning, no heads, cam etc.
Old 08-29-2004, 12:02 PM
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Originally Posted by F8L Z71
His truck isn't stock. He means that his truck stock WITH whatever FI kit he is running. Meaning, no heads, cam etc.
Ya, I think he meant that his procharger setup on a stock 5.3 with a flowmaster made those numbers. Thats very believable IMO. Those setups make 8-9psi right out of the box.
Old 08-29-2004, 01:23 PM
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stock with the ati procharger.....one of the original questions was for the ati kit with intercooler, sorry guys, I should have been more specific.......the f.m.u. was part of the kit, this is an old setup, I don't have it anymore

Old 08-29-2004, 01:31 PM
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That's a nice torque curve...


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