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1990 408/4l80e/s480 turbo build

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Old May 8, 2013 | 11:24 PM
  #291  
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Plan is to have my truck at his shop on Saturday. Im anxious to get started.
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Old May 9, 2013 | 09:38 AM
  #292  
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i will spill the beans to the highest bidder... lol

really though Vic, we need some pics !!
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Old May 22, 2013 | 04:01 PM
  #293  
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Wheres the spy photos?
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Old May 23, 2013 | 03:39 PM
  #294  
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Lol ill take some tonight. 4.8, new cam and springs are in. Just waiting on Kyle to get back from his mini vacation and also waiting on the new turbos! !!
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Old May 23, 2013 | 10:37 PM
  #295  
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Did you say Turbos sir?
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Old May 23, 2013 | 10:46 PM
  #296  
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Yup I show did!! Im hopping to get cracking on the new kit soon.
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Old May 24, 2013 | 03:34 PM
  #297  
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What size are you going with man?
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Old May 24, 2013 | 04:50 PM
  #298  
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We are doing a compound boost set up. We are using a s480 bw and a 60mm magnum turbo. I ordered a set of FIC 190# injectors and a walbro 450 pump to go along with my aeromotive. Ill be replacing the aero with a secon walbro 450. Not sure what the goal or outcome is gonna be but im expecting to have the best of both worlds. A quick spooling bottom end from the small turbo and good top end from the 80mm T6. All this thru a stock 4.8 bottom end with new rings gapped for a turbo and stock 5.3l heads that have larger intake and exhaust valves. Well see how this goes!!
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Old May 24, 2013 | 09:30 PM
  #299  
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Originally Posted by vicalma03
.... All this thru a stock 4.8 bottom end with new rings gapped for a turbo and stock 5.3l heads that have larger intake and exhaust valves. Well see how this goes!!
It will all go Kablooee

Did Kyle talk you into running Diesel in your little 4.8L? That set-up is gonna make +60lbs!!
This is gonna be interesting!!
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Old May 24, 2013 | 09:39 PM
  #300  
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Its a shame the guy that wanted to do the sequential setup wrecked his truck...mainly to prove to himself and everyone on here that gets the idea of a sequential twin setup will not work well on a gas engine. Youll either put the big turbo in surge when trying to run low boost, or will never be able to control the boost and blow up your engine. They work great on diesels that want as much boost as you can through at them, but not on gas engines.
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