Randeez 2012 Budget Yukon Denali Build (stick on hood scoops galore)

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

OP
OP
randeez

randeez

Full Access Member
Joined
Sep 29, 2017
Posts
7,444
Reaction score
23,679
Location
south florida
New converter will be here this week...dunno what's up with transmission or even how much it's going to be to get it cleaned up and whatever else it needed
kinda wish i would have just flushed it out myself a few times so i could get it back together but its prob for the best this way
Screenshot_20200104-180036_Chrome.jpg
 
OP
OP
randeez

randeez

Full Access Member
Joined
Sep 29, 2017
Posts
7,444
Reaction score
23,679
Location
south florida
was hanging out at a friends since the day after christmas till yesterday so havent done much just taking a break. got one of those nutsert tools a few months back and have been slowly redoing everything i put a self tapping screw into :lol: intercooler is fully mounted with them, the fuel y-block i set, coil relocation brackets, the coolant overflow tank
 
OP
OP
randeez

randeez

Full Access Member
Joined
Sep 29, 2017
Posts
7,444
Reaction score
23,679
Location
south florida
also its a new year, lets discuss 2020 mods :eek:

if i didnt have to mess with converter/trans i would have most likely have gotten a larger turbo better suited to this combo. So i think that will probably be first on this list. most of this is in an effort to free up power/weight or just fix a few underlying issues that ive learned to live with.

I was conflicted between a "name brand" turbo (another borg warner) or a vs racing turbo. to keep all of the hot pipes the same the largest S400 frame turbos i can go with are a borg S491/102 or the VSRacing 92/110 i believe, havent been able to really find a comparison between the two but i think the borg will make more power but if i go with the VSR then the cost difference will cover new injectors anyway so i could do them both at the same time.

next new injectors ; just going to jump up to the 2200cc injectors i should have done from the start, i think with the two pumps i have at a lower psi i should be able to flow enough for some nice hp.

after that??

maybe aftermarket ECU. i was messing with a friends MS3PRO tuning software and i think im hooked on aftermarket ecu. would go with a holley dominator most likely but the software and interface was nice, tuning "on the fly" not having to load tune with every single change, and not having to worry about the entanglement of tables effecting tables effecting tables of using hptuners. dominator can also provide boost control (would be $300 minimum to control boost with something stand alone), 2-step, 4l80 (which i paid $800 for controller/harness a few months ago) would have probably been smart to look into it then but oh well.

update some of the front end steering and brake components:
i guess the 15+ trucks come with aluminum arms and spindle up front that will all bolt up to gmt900s, maybe see if the electric power steering rack will work just powered? it looks like it mounts the exact same as the gmt900 hydro rack. hydroboost would still need hydraulic pressure but i guess theres also some electric hydro pumps that are pretty common from some volvo's pumps are cheap used >$150 come with integrated reservoir and can mount anywhere. and larger brakes/wheels are still on the list but crap keeps breaking.

I'd like to swap back to the np149 transfer case out of the older escalade/denalis as it has a viscous coupler and distributes power a lot better. would have to swap the input shaft to mount up to a 4l80 (fairly common/available but expensive). the transfer cases are getting harder and harder to find and prices are starting to go up so i may grab next one i see pop up cheap. i am fairly happy with the 14bolt and 9.25ifs as bother have been trouble free for a while - would like to swap gears back down to 3.42s for lower cruise rpm. power is retarded at this point so "getting out of the hole" is no longer an issue of gear, could even go lower but still have the stock 3.42 from the rear so i would just need to buy set for the front. front cv shafts have been good for a while so i'm not going to worry about getting some made by rcv or whoever.

i think my android headunit is about dead too, wont boot up. they're relatively cheap and go obsolete after about a year anyway so its probably about time to get up with the current specs
 
Last edited:

iamdub

Full Access Member
Joined
Apr 23, 2016
Posts
20,821
Reaction score
44,945
Location
Li'l Weezyana
I know there are stock GMT900 aluminum lower arms but I don't know about the spindles. I'm surprised your Denali didn't come with the aluminum arms.
 

Rocket Man

Mark
Supporting Member
Joined
Dec 25, 2014
Posts
26,004
Reaction score
50,862
Location
Oregon
also its a new year, lets discuss 2020 mods :eek:

if i didnt have to mess with converter/trans i would have most likely have gotten a larger turbo better suited to this combo. So i think that will probably be first on this list. most of this is in an effort to free up power/weight or just fix a few underlying issues that ive learned to live with.

I was conflicted between a "name brand" turbo (another borg warner) or a vs racing turbo. to keep all of the hot pipes the same the largest S400 frame turbos i can go with are a borg S491/102 or the VSRacing 92/110 i believe, havent been able to really find a comparison between the two but i think the borg will make more power but if i go with the VSR then the cost difference will cover new injectors anyway so i could do them both at the same time.

next new injectors ; just going to jump up to the 2200cc injectors i should have done from the start, i think with the two pumps i have at a lower psi i should be able to flow enough for some nice hp.

after that??

maybe aftermarket ECU. i was messing with a friends MS3PRO tuning software and i think im hooked on aftermarket ecu. would go with a holley dominator most likely but the software and interface was nice, tuning "on the fly" not having to load tune with every single change, and not having to worry about the entanglement of tables effecting tables effecting tables of using hptuners. dominator can also provide boost control (would be $300 minimum to control boost with something stand alone), 2-step, 4l80 (which i paid $800 for controller/harness a few months ago) would have probably been smart to look into it then but oh well.

update some of the front end steering and brake components:
i guess the 15+ trucks come with aluminum arms and spindle up front that will all bolt up to gmt900s, maybe see if the electric power steering rack will work just powered? it looks like it mounts the exact same as the gmt900 hydro rack. hydroboost would still need hydraulic pressure but i guess theres also some electric hydro pumps that are pretty common from some volvo's pumps are cheap used >$150 come with integrated reservoir and can mount anywhere. and larger brakes/wheels are still on the list but crap keeps breaking.

I'd like to swap back to the np149 transfer case out of the older escalade/denalis as it has a viscous coupler and distributes power a lot better. would have to swap the input shaft to mount up to a 4l80 (fairly common/available but expensive). the transfer cases are getting harder and harder to find and prices are starting to go up so i may grab next one i see pop up cheap. i am fairly happy with the 14bolt and 9.25ifs as bother have been trouble free for a while - would like to swap gears back down to 3.42s for lower cruise rpm. power is retarded at this point so "getting out of the hole" is no longer an issue of gear, could even go lower but still have the stock 3.42 from the rear so i would just need to buy set for the front. front cv shafts have been good for a while so i'm not going to worry about getting some made by rcv or whoever.

i think my android headunit is about dead too, wont boot up. they're relatively cheap and go obsolete after about a year anyway so its probably about time to get up with the current specs
I’ve considered buying one of those nv149 to 4l80 adapters just in case my 60 goes again. Just haven’t talked myself into it yet, and they’re kinda hard to find too.
 
Top