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67RS427
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More snout/blower porting... a few pics of stock blower and my ported blower.
2007 Yukon Denali Build (This got outta hand really quick...)
- Thread starter 67RS427
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67RS427
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More porting, Brick reinforcement and AN Lid fittings... Swapped the -12AN black fittings out for blue ones you will see in later pictures.
Also, abrasive heaven lol... Don't see too many places like this that carry so much inventory. Was very distracted in this store
Also, abrasive heaven lol... Don't see too many places like this that carry so much inventory. Was very distracted in this store
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67RS427
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Finally got my own HP Tuners cable (3 days before they stopped selling them for the newer unit) Glad I got it when I did since Pro features aren't available on the new one yet... More blower porting pics:
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And more....
Tonyrodz
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Wow, nice job. Looks to be a huge difference. What do you think will be the net hp difference with the port work?
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So this is where things started going sideways... I was finished porting the blower, pressed on new Weapon X hub and 2.5" pulley, completely rebuilt blower with new bearings and fresh oil, reinforced the intercooler brick, assembled the entire motor and reinstalled the entire powertrain (Front diff was out and rebuilt, Transmission was out and rebuilt again due to a bad 3-5-R clutch pack, Transmission reinstalled with the new Circle D triple disc torque convertor, TCI Flex plate and new custom driveshafts installed with the original transfer case)... All that work didn't take too long believe it or not. My issue was with my new 8 Rib LSSimple accessory drive kit. It should have been a direct bolt on and I was truly impressed with he way it LOOKED. It should have bolted on in 15 minutes but it's function however was terrible. I can't recommend anyone uses the LSSimple kits. They had a bad batch of laser cut plates in my case and shipped me a system that they knew was bad but tried to salvage. He elongated holes and used washers/spacers instead of solid mounts. It was terrible and out of alignment from every aspect. It wouldn't track a belt properly even during cranking. I wasted over 6 days trying to make this kit work. I had access to a Bridgeport and a lathe and still couldn't get belts to track properly even after machining new spacers and tweaking things. Murphy @ LSSimple was very apologetic and refunding my money without even asking for the kit back (which is garbage!). That 6 days cost me weeks in the long run.
Looks pretty but doesn't fit or work for shit... Bracket was contacting bottom of snout, had to take out 1/4" of material on the bracket just to start test fitting this turd:
Idlers not lining up at all, the alternator and tension on the opposite side were also canted back in different directions... Still couldn't get it right even after taking the spacers down in the lathe.
Luckily I found a guy locally in Michigan that is very big in the LS Swap stuff... Here is a pic of one of his garages, lets just say he has a few blowers laying around if anyone needs parts ;-)
He hooked me up with a Holley alternator/power steering mount kit and I used an LSA Water pump and factory LSA accessory drive parts for everything else. Came out a hell of a lot nicer in the end and I know I'm running something factory proven and the blower is on it's own 8 Rib belt. Only thing left to do is relocate my factory A/C compressor backwards 1.5" on the LSA A/C bracket so I don't have to cobble together custom LSA to truck A/C lines and electrical. Pics of that to come in the next few days.
Looks pretty but doesn't fit or work for shit... Bracket was contacting bottom of snout, had to take out 1/4" of material on the bracket just to start test fitting this turd:
Idlers not lining up at all, the alternator and tension on the opposite side were also canted back in different directions... Still couldn't get it right even after taking the spacers down in the lathe.
Luckily I found a guy locally in Michigan that is very big in the LS Swap stuff... Here is a pic of one of his garages, lets just say he has a few blowers laying around if anyone needs parts ;-)
He hooked me up with a Holley alternator/power steering mount kit and I used an LSA Water pump and factory LSA accessory drive parts for everything else. Came out a hell of a lot nicer in the end and I know I'm running something factory proven and the blower is on it's own 8 Rib belt. Only thing left to do is relocate my factory A/C compressor backwards 1.5" on the LSA A/C bracket so I don't have to cobble together custom LSA to truck A/C lines and electrical. Pics of that to come in the next few days.
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More blower pics:
Starting to fab up an intake... Originally I was going to relocate the intake to the drivers side and use 5" tube. Unfortunately, the truck fan shroud is freaking HUGE and the bend would have been ridiculous and there just simply isn't a lot of air flow on the side. I opted to keep my passenger side air box ($300+ AirAid) and run my 6" filter to a 5" MAF tube and downsized to a 4" bend into the 4.25" NW TB. Came out really nice in my opinion. (added a new Ice box in the drivers side and relocated the heat exchanger pump as well)
Starting to fab up an intake... Originally I was going to relocate the intake to the drivers side and use 5" tube. Unfortunately, the truck fan shroud is freaking HUGE and the bend would have been ridiculous and there just simply isn't a lot of air flow on the side. I opted to keep my passenger side air box ($300+ AirAid) and run my 6" filter to a 5" MAF tube and downsized to a 4" bend into the 4.25" NW TB. Came out really nice in my opinion. (added a new Ice box in the drivers side and relocated the heat exchanger pump as well)
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67RS427
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More intake fab:
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More intake pics:
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Pics of intake with the ****** LSSimple accessory drive (Before I knew I was really having issues)
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Sorry, didn't take a lot of pictures when I did the fuel system. I was rushing to get it done and thought I was gonna be driving this thing. Did I mention Murphy @ LSSimple really screwed me?
Walbro 450 fuel pump upgrade (Dropped in a factory replacement bucket). Added a -6 Bulkhead for the new feed and used the old 3/8" feed as my return. Ran Blue Russell Push-Lok hose for both feed and return...
Also some pictures of the new hear exchanger install... Stole this from my 1967 Camaro Twin Turbo parts rack. Spent a few days making a nice solid mount for it and left room for the dual 7" fans behind it. Also decided to ditch the factory transmission cooler and installed the TruCool I had laying around. Will probably have pics of that somewhere later.
Pretty disappointed with the Kooks Y Pipe Cats... They were pretty much torched already with only 3k miles or so. I decided to gut them... Came out really nice, can't tell it was even done from under the truck.
Walbro 450 fuel pump upgrade (Dropped in a factory replacement bucket). Added a -6 Bulkhead for the new feed and used the old 3/8" feed as my return. Ran Blue Russell Push-Lok hose for both feed and return...
Also some pictures of the new hear exchanger install... Stole this from my 1967 Camaro Twin Turbo parts rack. Spent a few days making a nice solid mount for it and left room for the dual 7" fans behind it. Also decided to ditch the factory transmission cooler and installed the TruCool I had laying around. Will probably have pics of that somewhere later.
Pretty disappointed with the Kooks Y Pipe Cats... They were pretty much torched already with only 3k miles or so. I decided to gut them... Came out really nice, can't tell it was even done from under the truck.
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Ended up doing a coil relocation bracket and using some blue Taylor spark plug wires (will post more pics later). Some more pics of the heat exchanger mount (1/4" steel and some square tube)
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Another view of the heat exchanger mount... Angle was kind of a pain to get but the extra time made it come out nice.
NEW LSA/Holley Accessory Drive Kit, LSA Water pump and Corvette PS Pump:
Accidentally welded the MAF bung on backward so that cost me a bunch of time...
Skipping forward a bit, this is with the new boost referenced regulator installed, ice box and new accessory drive...
Heat exchanger mount painted and finalized:
NEW LSA/Holley Accessory Drive Kit, LSA Water pump and Corvette PS Pump:
Accidentally welded the MAF bung on backward so that cost me a bunch of time...
Skipping forward a bit, this is with the new boost referenced regulator installed, ice box and new accessory drive...
Heat exchanger mount painted and finalized:
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Cleaned up the engine bay a bit, much more to come...
Fuel filter and Russel check valve installed... Still getting rail pressure loss with the valve when sitting overnight. Seems worse with the check valve actually, need to investigate but it shouldn't cause any start up issues
Fuel filter and Russel check valve installed... Still getting rail pressure loss with the valve when sitting overnight. Seems worse with the check valve actually, need to investigate but it shouldn't cause any start up issues
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A little more clean up
Welded the power steering reservoir bracket and bolted it to a block welded to the ice box... Custom PS lines (high pressure is Russell Stainless PS hose with SwageLok fittings, hope it doesn't leak lol)
New belts installed... 8 rib for blower, 6 rib for PS and alternator and a separate 4 rib for A/C just like the LSA
Welded the power steering reservoir bracket and bolted it to a block welded to the ice box... Custom PS lines (high pressure is Russell Stainless PS hose with SwageLok fittings, hope it doesn't leak lol)
New belts installed... 8 rib for blower, 6 rib for PS and alternator and a separate 4 rib for A/C just like the LSA
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Some different angles, more clean up... Re-routed the Alternator primary cable behind the intake along with a bunch of wires... Almost nothing running in front of the blower now. Starting to look good:
Blue billet clamps for the -12AN and black for the -6AN. Small things make such a big difference....
Had to get one more -12AN blue fitting for heat exchanger which came yesterday, will get pics with it all changed and cleaned up.
Blue billet clamps for the -12AN and black for the -6AN. Small things make such a big difference....
Had to get one more -12AN blue fitting for heat exchanger which came yesterday, will get pics with it all changed and cleaned up.
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Decided I really like the blue push-lok line so I cut off the hard transmission cooler lines and ran -6AN all the way....
Intake is not finished being painted, will probably ceramic coat it when I am all done...
Intake is not finished being painted, will probably ceramic coat it when I am all done...
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A few more pics... I got everything cleaned up and then went to start tuning and realized the wrong cam sprocket was installed. Somehow I got the wrong one and a 1 sensor sprocket was installed instead of a 4 sensor. After all of this cleaning up, filling of fluids and mock up, today I had to tear down the whole front of the motor and drain my coolant to pull the water pump, timing cover and replace the upper sprocket. I got everything torn down today (pulled damper and accessories) and will receive the new timing chain Tuesday. I missed the Friday 10pm order cutoff from summit racing by 3 minutes for Saturday delivery... Just my luck. Oh well, I will get the sprocket Tuesday and button this thing up finally and get it tuned and on the road this week. AWD burnouts coming soon as this beast will be making in excess of 850hp... Since I am tearing it down I decided to swap out my 5% overdrive damper ring with a 9.1" 10% overdrive. Should be making some really nice boost numbers and some crazy power....
Got a HP Tuners (e-motion) nGauge... Excited to have this thing, it seems pretty damn nice and can display 6 PIDS at a time and log 16+. It can hold several different tunes, load stock or any others on the SDCard and read and reset codes. Should be nice to have to keep an eye on IAT, Oil PSI, AFR, Fuel Pressure and more... I will post better pics of install, this is the only one I have right now.
Got a HP Tuners (e-motion) nGauge... Excited to have this thing, it seems pretty damn nice and can display 6 PIDS at a time and log 16+. It can hold several different tunes, load stock or any others on the SDCard and read and reset codes. Should be nice to have to keep an eye on IAT, Oil PSI, AFR, Fuel Pressure and more... I will post better pics of install, this is the only one I have right now.
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Porting the blower alone is good for 30 - 50whp depending how crazy you get... Most of the gains are in the snout and opening up the intake/TB... I didn't bother porting the intake runners much as there is really little to gain. I would say I gained 35-40whp easily for the porting that I did and even more net because I upgraded to the 102mm TB and 5" MAF.
