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2012 GMC Sierra SCSB 4.3 to 6.2 Swap GMT-900 NNBS

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Old Jun 19, 2024 | 06:29 PM
  #41  
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It’s at 11 now and I run E85 at the track I actually need bigger injectors. Lol it’s maxed out for a 1900, I need to step up to get to 1000 hp. It’s fun at 750 rwhp but I want that 4 digit power for some reason.

Last edited by smokinlmm; Jun 19, 2024 at 06:51 PM.
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Old Jun 20, 2024 | 11:48 AM
  #42  
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Originally Posted by smokinlmm
It’s at 11 now and I run E85 at the track I actually need bigger injectors. Lol it’s maxed out for a 1900, I need to step up to get to 1000 hp. It’s fun at 750 rwhp but I want that 4 digit power for some reason.
Do you really need to have a good reason? LOL 1000 RWHP would definitely be a trip.

Did you modify your wiring harness when installing the blower or just tuck it in differently. I was looking at my truck wiring harness wonder how I would route it if I put a Whipple on here. I don't think it would look very nice laying on top of the blower like it does on the stock intake.
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Old Jun 21, 2024 | 04:23 AM
  #43  
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It’s a tvs kit made for the truck so magnuson integrated it into the truck pretty well.. I think the harness is behind the blower but it’s been on there for 6 years now so I can’t remember I’ll have to look.
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Old Jun 25, 2024 | 09:04 AM
  #44  
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Idle clip for those interested. 214/224 113.5 + 8 LSA .553" Lift VVT camshaft. 6.2 Liter L94 engine, DOD delete, Speed Engineering headers and single 3.5" exhaust with giant Walker DynoMax SuperTurbo muffler part number 17789. Sorry, no sound clips with the Speed Engineering muffler. It was just waaaaay too loud for me and I could not wait to change it out for something quieter.

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Old Jun 25, 2024 | 09:13 AM
  #45  
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I replaced the 3.23 rear gear with 4.10 gear and Powertrax Grip Pro differential last week. What a excellent difference in around town drivability and acceleration. This should have been my first mod. Love it.
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