96 4x4 4 door blazer 5.3 swap

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96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Tue May 02, 2017 10:42 pm

I started this build awhile ago and I am finally getting to a point where I can share what I have done so that if anyone else is trying to do a 2nd gen 4x4 LS swap, that this might help.

I started with a 2000 GMC that was wrecked

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KnKyle
Im working on unhooking my battery cables.
 
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Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Tue May 02, 2017 11:43 pm

I pulled every bit of wiring out of the truck along with the engine, transmission, and transfer case. I had to split the transmission from the engine to get it in, I also had to pull the intake, exhaust, and coils off to get the engine in. If you are planning to use the tranny and t-case from the full size truck like I did, they will have to go in first since the longer t-case won't allow you to put the engine in first. I also had to relocate a sensor that is on a cross member that is hooked to the fuel tank (I have no idea what it is). I used the blazers tranny mount with a 3/4 nut in between the tranny and the mount so the tranny pan would clear the cross member
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as You can see in this pic, I couldn't cut the frame for the A/C because of the steering stabilizer
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KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Wed May 03, 2017 12:09 am

I ended up using the truck exhaust manifolds without the heat shields, I tried 3 other sets and the trucks stock ones were the closest to fitting without cutting the frame
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To get the pipes down to where I could get to them from underneath, I cut the trucks y-pipe about a foot from the manifold flanges, on the drivers side, I cut 1.5in out of the back of the pipe right against the flange, bent it over and welded it, then I cut what was left of the bend to the catalytic converter and welded it on to turn the down pipe towards the rear of the blazer, I also shortened the stud that is right above the frame for more clearance
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The passanger side I had to cut the shock mount and shave the EGR hole on the manifold to clear the shock bolt
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The down pipe for this side was simply twisting the pipe
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I was able to make a block off plate for the EGR without any modifications
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KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Wed May 03, 2017 12:39 am

For the oil pan I also used the stock one from the truck, I ordered GM Performance 19212593 Oil Pan Aluminum Rear Sump Swap GM 4.8 5.3 5.7 6.0L Kit, and an alpha pan but neither would work since the drain plug hit the front diff before you could get it out. I had the engine in and out what seemed like 100 times until I got my oil pan mocked up
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KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Wed May 03, 2017 1:02 am

I used Transdapt 4516 Swap Mount Motor Mount Chevrolet LS series V8 Into S10 w/Pads

I put in a Rough Country 2.5" Suspension Leveling Kit S10/Blazer/Sonoma/Jimmy 4WD 242N2 for a little more clearance for the oil pan

I have ordered A LS Truck R4 A/C Air Conditioner Compressor Conversion Bracket Kit LS3 LSX

and I am going to use 2.5'' V-Band Flange & Clamp Kit Male/Female Lip W/RidgeTurbo Exhaust Downpipe to connect the rest of my Y-pipe since there is not enough room to unbolt the manifold flanges to pull the manifolds back off if you ever need to

Now I am working on putting in new fuel lines since I didn't feel there was enough room for the old ones between the tranny and the body, extend the wiring to the tranny and t-case for the same reason, the drive shafts are at ITP in Salina getting shortened, I still need to change out the fuel pump, and figure out how to wire up the auto t-case and I should be done on the bottom side and ready to finish up the front end
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KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Wed May 03, 2017 1:09 am

with the top of the engine completed, it sets too high to shut the hood
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My plan for this is to cut a hole and leave it open like a shaker hood
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KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby Rickracer » Wed May 03, 2017 2:39 pm

...could swap to a Camaro manifold..... :hide:
Rickracer
ASE Certified Master Automotive Technician (well over 3 decades of experience, :thumbup: )
'93 S10 SB,RC, Comp XR276 Hydraulic Roller, Vortec head 363, 400 + hp, built 700R4, JW 2800 stall lockup converter, 3.73 posi, disc brake, narrowed 8.8 Exploder rear, LS Camaro front discs, Cal-Trac clone traction bars, Best N/A passes to date: 7.76 in the 1/8th, 12.24@109.27 mph in the 1/4, gonna spray it one of these days... :mrgreen:
76 Chevy Vega Drag Car, TWIN TURBO 355, P/G trans w/ brake and JW 4000 stall vert, 4 link back half, narrowed 9", 3.50 gears, 29.5x10.5W ET Drags. Best time9.669 @ 139.79, Latest video: https://www.youtube.com/watch?v=S59riYn ... ata_player
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Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Wed May 03, 2017 4:24 pm

I tried a set of them, I couldn't get them down far enough to bolt them in, they turned straight down right behind the motor mounts and hit the frame. I wish I could have found a pair like these fo the 5.3, then I wouldn't have to change the steering shaft and they look like they would be easier to hook up to a Y-pipe
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KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby Rickracer » Thu May 04, 2017 7:28 am

I meant the intake, it would be shorter....LOL
Rickracer
ASE Certified Master Automotive Technician (well over 3 decades of experience, :thumbup: )
'93 S10 SB,RC, Comp XR276 Hydraulic Roller, Vortec head 363, 400 + hp, built 700R4, JW 2800 stall lockup converter, 3.73 posi, disc brake, narrowed 8.8 Exploder rear, LS Camaro front discs, Cal-Trac clone traction bars, Best N/A passes to date: 7.76 in the 1/8th, 12.24@109.27 mph in the 1/4, gonna spray it one of these days... :mrgreen:
76 Chevy Vega Drag Car, TWIN TURBO 355, P/G trans w/ brake and JW 4000 stall vert, 4 link back half, narrowed 9", 3.50 gears, 29.5x10.5W ET Drags. Best time9.669 @ 139.79, Latest video: https://www.youtube.com/watch?v=S59riYn ... ata_player
Rickracer
Master Swap Tech
Master Swap Tech
 
Posts: 28923
Joined: Wed Apr 26, 2006 8:02 am
Location: Kissimmee, Fl.

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Thu May 04, 2017 1:58 pm

That never even crossed my mind, I'll have to look into what all I'd have to change out and how much it will cost
KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas

Re: 96 4x4 4 door blazer 5.3 swap

Postby KnKyle » Wed May 17, 2017 4:19 pm

I just purchased a year of information on the 96 4x4 blazer from ALLDATA diy, They have everything you could want for this vehicle, it puts chilton and Haynes to shame
KnKyle
Im working on unhooking my battery cables.
 
Posts: 36
Joined: Mon Sep 21, 2015 10:51 pm
Location: Salina Kansas


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