97 Yukon 2dr 6.0 Swap phase 1

[Swackhamer]

Phase I of my swap Gathering parts & planing 90% there

Long block LQ4 05 Denali 1850 Bow Auto
Headers 766-70-2265 250 Jegs
Radiator 64261 279 Alumarad
throttle body 69726 236 Summit
Air cleaner 599-RC-1601 43 Jegs
Exhaust 600 DS Custom S/S
Fans OEM 190 Collis Truck
Head lights 90 Ebay
411 comp 02 starter tune 150 Lextek
Battery (2) 9022-091 190 190 Auto zone
Steering sens 26064468 65 Bergy's GMC
AC relocate 275 Lextek

Misc
Rad hose L 71990 Auto Zone 12.25 05 Avalanche
Rad hose U 71989 Auto Zone 15.22 05 Avalanche
Oil filter 1042 NAPA 5.75 05 Avalanche
Fan Belt NAPA
Exh Gasket 66032 Percy's 47.34 05 Yukon 6.0
Plug wires MSD-32819 Summit 62 LS
F O2 sens Original 97 part
R O2 sens Original 97 part
Idle Valve 17113598 GM 110.77 02 2500 Sierra 6.0
TP sensor Original 97 part
Dpstk Tube GM 05 Yukon 6.0
Temp send 12556263 GM 29.58 97 Yukon 5.7
Oil send 19244500 GM 38.16 97 Yukon 5.7
Vac Nipple 12559760 GM 4.22 Vacuum adapter nipple
Temp adapt Taped head to 3/8 npt
Oil P adapt S&P 19 Metric to NPT 1/4"
OC Fitting S&P 35 OC Bypass fitting
Tensioner 5163738 NAPA 47 97 Belt tensioner
Flex Plate
Bolts
Spacer Advanced Adapters # 712500A $140


Fuel System
Fuel filter 3737 NAPA 46.68 99 Corvette
Adapter RUS-640940 Summit 11.95 3/8" fuel rail to AN-6
Adapter SUM-220647B Summit 2.75 1/4" Male NPT to AN-6
Adapter SUM-220656B Summit 7.99 Adapter with 1/8" port
90 Fitting SUM-220687B Summit 13.95 Hose end 90 deg
St Fitting SUM-220690B Summit 4.88 Hose end 0 deg
Hose SUM-230610 Summit 39.95 10' AN-6 S/S
Fitting 5182k266 McMaster 13.05 Compression to Female NPT
Coupling 5182k345 McMaster 16.78 Compression 3/8"
Coupling 5182k719 McMaster 14.22 Compression 5/16"
Gauge 9780T114 McMaster 18.75 0 to 100psi center back port

 

[Swackhamer]

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Starting to shake out LQ4 wiring harness Its not as bad as it looks (I hope) Thanks to Lextech.

 

[Swackhamer]

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Ive been working like a mad man out of town. So not much to update.
I got 80+ % of my harness sorted out. Id say a good 4hr (no interuptions)to get this far. I hope this works I have the Tranz, AC,TPS and Idle control To do. So far very simple.

 

[Swackhamer]

Ok today 4/15 I test fitted the LS with Some minor setbacks. The mount adapters I made are not offset enough. I built 1" offset it looks like I need 2" + another 1/2" to make up with slotting the crossmember holes. The pressure Transducer or whatever it is on the 5.7 power steering pump I'm not sure what Im going to do, (I'm not sure if it is supported by the 411 or what it ties into yet). besides the damn donut on the collumn.
I plan on going to Hydroboost in phase II and wanted to use the New pump.
I finished up the day by priming the frame rails and rad support. And spraying some Kroil on the front brake line fittings, (the originals are pretty scaley and they look pretty easy to get to now). The new stainless ones arrived on Friday.

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[Swackhamer]

Ok today 4/15 I test fitted the LS with Some minor setbacks. The mount adapters I made are not offset enough. I built 1" offset it looks like I need 2" + another 1/2" to make up with slotting the crossmember holes. The pressure Transducer or whatever it is on the 5.7 power steering pump I'm not sure what Im going to do, (I'm not sure if it is supported by the 411 or what it ties into yet). besides the damn donut on the collumn.
I plan on going to Hydroboost in phase II and wanted to use the New pump. (used a 2000 1500 pressure hose & 97 return)
I finished up the day by priming the frame rails and rad support. And spraying some Kroil on the front brake line fittings, (the originals are pretty scaley and they look pretty easy to get to now). The new stainless ones arrived on Friday.

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[Swackhamer]

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UPDATE 4/24/12
I started the wirnig 0411 Swap today, I have about 3 solid hours into it and it looks to be about 75% done. Thanks Lextech for all the info!!
I just hope I did it correctly and it works! The worst part is the Pinks & Blacks with all of the original splices burried in the looms (Why the hell would you do that??). I think I may have to extend some of the wires to get them run like I want, That should be easy once the engine is back in.

 

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Now that looks better (another 3 hours into it) Hopefully my new engine frame mounts come in today! I'm dead in the water till then. Actualy reworking the 05 truck harness and the 97 harness was not bad at all, after I got the nerve to jump in and commit. (all subject to change with 1 turn of the key).

 

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Set in and bolted up. Some things to note, As I am pluging everything in Some stuff is to short with the original 97 plugs
1) cam sensor, must extend plug 12"
2) TPS,Idle, must extend plugs 18"
3) Alt, must extend 18"
4) Front O2 sensors, must extend plugs 24" (due to headers)
5) 97 temp (guage wire) must extend 18"
6) Ac plugs, must extend 18"
This can change if wires are routed differant. I am trying to hide as much as I can.

 

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2 minor mods to install the headers I am using.
1) The ear sticking out near the starter must be trimed back aprox 1"
2) the driver side frame must be dimpled in an egg shape 2" high and 3" long to clear tube.

 

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Electric fans took some minor fitting to get in. trimmed the top off & notched the top coners to clear the 97 fan hold downs.
Looks like it came with it!