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5.3 radix build

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Old Aug 20, 2014 | 08:46 AM
  #21  
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Tuned and back on the road, 391 at the wheels
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Old Aug 20, 2014 | 09:26 AM
  #22  
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Not bad! Where did you end up having it tuned?

You gotta make a trip to Epping this fall. I am going to try to schedule a few days to get some of us up there.
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Old Aug 25, 2014 | 08:48 AM
  #23  
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I trailered it out to Slowhawk for the tune, I'm happy with it...for now I don't know that I'll run it at Epping this fall because I'm on A/T's and cant afford to break anything else at the moment but keep me posted on the date if you get some guys up there.
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Old Sep 30, 2015 | 09:11 AM
  #24  
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Little update! I installed the larger 90mm j-tube, Ls2 throttle body, a 2.8 pully I had rip cut and a 1/2 inch phenolic spacer.









I also replaced the stock 65e with an RPM lvl5 and a yank ss2800. Waiting for a call back from Slowhawk to schedule a retune now. Getting that phenolic spacer and getting it installed was a real hassle so I hope to see some decent power gains from all the above!
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Old Sep 30, 2015 | 01:06 PM
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where did you get the spacer and how much was it? I'm curious to how much of a difference it makes
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Old Sep 30, 2015 | 01:28 PM
  #26  
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It was pricey close to $500.00 I ordered it through super street but I wouldn't do it again, told me it was in stock ready to ship and I didn't see it for more than month. When I did get it and found out I needed injector spacers I tried to call and order some, all calls and messages went unreturned, terrible customer service considering the price. BUT I'll keep you posted I've read a lot on them but I'm pretty interested to see the actual results myself too. We have similar builds, have you had your truck on the dyno?
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Old Sep 30, 2015 | 09:42 PM
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Very interested to see results too. I've read the 90mm throttle body is worth 20-30rwhp alone.
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Old Oct 2, 2015 | 12:21 AM
  #28  
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Where did you find a 90mm j tube? I've been looking for one for my truck. And which injectors ended up being right? I've got 42's and want to get some 80's.
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Old Oct 2, 2015 | 12:49 PM
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Originally Posted by Y-B-Slow
It was pricey close to $500.00 I ordered it through super street but I wouldn't do it again, told me it was in stock ready to ship and I didn't see it for more than month. When I did get it and found out I needed injector spacers I tried to call and order some, all calls and messages went unreturned, terrible customer service considering the price. BUT I'll keep you posted I've read a lot on them but I'm pretty interested to see the actual results myself too. We have similar builds, have you had your truck on the dyno?
$500 isn't bad if it gets the results I've heard of.. the last time i dynoed it i had some issues. it only put down 436hp but later i realized the intercooler pump was bad and for some reason we couldn't get it to dyno i 3rd. I'm not really sure how much power i lost without the intercooler pump but the iats rose so fast it lost power almost right away.
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Old Oct 2, 2015 | 02:16 PM
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Kinda off topic but I didnt see this thread last year... I live in Medway im surprised we've never crossed paths before
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