more radix power
Want to max the radix a little more.
Here is what i have: 05 chevy crew 5.3L radix with 3.2 pulley Gt2-3 cam Pace LTs 3.73 gears true-trac 100mm ilder pulleys Msds wires CAI Trans fully built with tb 2500 stall getting 7 or a lil more boost with tune What i have yet to install: labonte meth kit 90mm j-tube 90mm tb dr-xlink 2nd heat exhanger with fans bigger resevoir what else might i need to get more power on 5.3L? maybe a 2.8 pulley or Nos, installing 243 heads?? |
I think you are already headed in the right direction with your second list. go with those mods and a tune and I am sure you will be surprised.
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how much boost are u getting with the 2.8?
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Just upgrade to one of the new TVS units.
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Add the 2.8" pulley. The rest of your proposed mods will add a little, but not a lot. Not a lot of bang for the buck with anything other than the smaller pulley (and it's cheap). Been there...done that....do you want the t-shirt?
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with pretty much the same mods I made over 10lbs with a 3" pulley. I think I'd have shit myself with a 2.8 if it held. The larger xchanger surface area and 90mm will compliment the smaller pulley.
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so go with a smaller pulley?
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What do you have for a catback? Think the 2.8 without a port/polish job on the heads will have your iat too high. I have a 3.0 pulley and cant keep the iat temp below 160* in a full 1/4mile pass with a 55hp shot of spray. I might be pulleying back up to a 3.2 and running 100hp shot for the same effect just at cooler temps.
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Yeah im thinking of getting some heads and a 2.9 pulley. Add meth and a lil shot to cool things up
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I have the 2.8 with heads ,gt2-3, long tubes and full 3' dual with x pipe and right at 10 psi
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