The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain > LSx Swaps

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 12-19-2011, 09:33 PM   #1
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Picked up my motor yesterday so this just became real! Figured I could start my build thread now. The short story is, im going to be putting an '02 5.3 into my 90 suburban that originally had a TBI 350. Im going to keep the TH400 trans. My goal in this swap is to make everything look as factory as possible without being obsessive.

Got my engine, computer and harness ready to run from a guy who had it as his project that ended up going the diesel route. Here is the motor when i loaded it up in the back of my Blazer bringing it home.



Video of it being ran for me before i took it home.


Going to be using these motor mounts from Car Shop Inc.

http://carshop.carshopinc.com/produc.../98457/CSP2370



I'll be using,

Fuel pump, EP381 Delco# (E3270 Airtex #) = Flow = 50-60 GPH & PSI = 80-90

Flex plate spacer, 12563532

Flex plate spacer bolts, 12563533

For the fuel system, my motor is a return style so im going to be doing the fuel lines as follows, beginning at the point where the old braided lines started around the bellhousing area. From there back will all be stock unmodified stuff.




RUS-640850 = LS FUEL RAIL PRESSURE SIDE
RUS-640860 = LS FUEL RAIL RETURN SIDE
FRA-491971-BL = ORIGINAL FUEL LINE PRESSURE SIDE
EAR-9894DBHERL = ORIGINAL FUEL LINE RETURN SIDE
SUM-220690B = HOSE ENDS X4

I'll run autometer adapters for the oil pressure sending unit and temp sending unit. I will also be using the stock Speed sensor in the transfer case.

Oil pressure adapter is 2268
Water temp is

So here is what im starting with.



Will update as things progress! Hoping to have the old engine out and the new one set in place just after christmas.

Last edited by y5mgisi; 12-19-2011 at 09:41 PM.
y5mgisi is offline   Reply With Quote
Old 12-19-2011, 09:48 PM   #2
HavinSomeFun
Still Just Havin Some Fun!
 
HavinSomeFun's Avatar
 
Join Date: Jun 2007
Location: Piedmont, Oklahoma
Posts: 1,145
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Sounds like you have done some homework! Thats what I did and I had mine in and running in a few weekends. Don't forget you have to have a steam vent and a plan for your throttle cable.
__________________
a green one with some stuff done to it....
HavinSomeFun is offline   Reply With Quote
Old 12-19-2011, 11:50 PM   #3
mcbassin
Still Learning
 
mcbassin's Avatar
 
Join Date: Jul 2009
Location: Central Oklahoma
Posts: 10,108
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Looks like a great project! I'm in
mcbassin is offline   Reply With Quote
Old 12-20-2011, 01:45 AM   #4
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

I have done lots of homework in fact! I think i have it to where i will be able to wire it all up and have everything look and work like factory. Hope that this build will inspire others to not be shy about taking the leap!
y5mgisi is offline   Reply With Quote
Old 12-20-2011, 02:21 AM   #5
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Forgot to add that i will be using a stock '02 tahoe/suburban/siverado throttle cable and upper radiator hose. The lower hose will use the stock 90 one. Im not doing A/C on it yet but when i do im just going to do a sanden compressor mounted up high on the passenger head using some to be determined relocation brackets. Im going to switch to driver side battery and run stock intake ducting and air box over to the passenger side for as factory of an install as possible. I'll be sure and document everything as well as possible especially when it comes to the wiring which if i didnt care as much, would be much more simple!
y5mgisi is offline   Reply With Quote
Old 12-20-2011, 08:30 AM   #6
HavinSomeFun
Still Just Havin Some Fun!
 
HavinSomeFun's Avatar
 
Join Date: Jun 2007
Location: Piedmont, Oklahoma
Posts: 1,145
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

It really is a simple swap when you plan ahead a little. I've put about 200 miles on mine already and the only issue I had was one tranny line was dripping a little. Now i'm thinking a good cam and tune...
__________________
a green one with some stuff done to it....
HavinSomeFun is offline   Reply With Quote
Old 12-20-2011, 11:35 AM   #7
ls1nova71
Registered User
 
ls1nova71's Avatar
 
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Looks like a good plan of attack! I did notice though that you listed an Airtex part number after the Delco for your fuel pump, this is just my opinion, and we all know everybody has one, but I'd definitley spend the extra money and get the Delco over the Airtex. I personally have had bad luck with Airtex, and they always seem to go out when you have a full tank, and dropping a Suburban tank full is nobody's idea of fun. Just my $0.02
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html

5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
ls1nova71 is offline   Reply With Quote
Old 12-20-2011, 03:04 PM   #8
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Quote:
Originally Posted by ls1nova71 View Post
Looks like a good plan of attack! I did notice though that you listed an Airtex part number after the Delco for your fuel pump, this is just my opinion, and we all know everybody has one, but I'd definitley spend the extra money and get the Delco over the Airtex. I personally have had bad luck with Airtex, and they always seem to go out when you have a full tank, and dropping a Suburban tank full is nobody's idea of fun. Just my $0.02
Thanks! The Telco pump is $79.95 from summit. I'm sure i can handle that.
Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-23-2011, 04:29 PM   #9
1990burban
Registered User
 
Join Date: Dec 2011
Location: Jenison michigan
Posts: 2
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Can you please post most of the steps to doing this because I'd like to do this swap in the future in my suburban but don't have a clue what to do especially with the wiring
Posted via Mobile Device
1990burban is offline   Reply With Quote
Old 12-24-2011, 04:34 PM   #10
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Yep! That's the plan! Flex plate spacer showed up the other day.


Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-26-2011, 08:21 PM   #11
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Ordered the fuel pump, temp sender, and oil pressure sensor adapter. Next purchase will befuel line stuff once I come up with a final plan for that.
Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-28-2011, 02:01 PM   #12
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Finally got the motor unloaded out of the back of the blazer. Getting it cleaned and preped. Also pulled the intake to make sure I didn't break it when I unloaded it. So now its sitting on the bench getting cleaned also. I'm starting to think these motors really are easier to work on then the old motors!




Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-28-2011, 04:07 PM   #13
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

The hoodless truck.


Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-29-2011, 04:02 PM   #14
91Subbed
Registered User
 
Join Date: Dec 2011
Location: Arlington Tx
Posts: 182
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Man! I would like some info on how to do this to my suburban! It looks great, will the mpg's be better? Can you email me the pros and cons of this swap I'm really interested!!!
Rodriguez_dav79@yahoo.com
Thanks again!
Posted via Mobile Device
91Subbed is offline   Reply With Quote
Old 12-29-2011, 05:50 PM   #15
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

91subed, it will take me a while to get around to e mailing you. There os basically no cons to the swap other then the cost which still isn't much. Yes the mpg will be better then with the tbi 350. Also about 100 more HP! Got the motor all ready to pull today. Just need to hook up the hoist!


Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-29-2011, 05:54 PM   #16
91Subbed
Registered User
 
Join Date: Dec 2011
Location: Arlington Tx
Posts: 182
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

That's cool just keep me updated I really wanna do this! What looks intimidating is the wiring and computer part.
Posted via Mobile Device
91Subbed is offline   Reply With Quote
Old 12-29-2011, 09:33 PM   #17
Russell
Professional Grade
 
Russell's Avatar
 
Join Date: May 2003
Location: Fort McMurray, Alberta
Posts: 7,915
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Quote:
Originally Posted by 91Subbed View Post
That's cool just keep me updated I really wanna do this! What looks intimidating is the wiring and computer part.
Posted via Mobile Device
The wiring is easy, esspecially if you install the factory fuse block. Only 5 or 6 wires to hook up in total. If you are a bit more adventurous like I am, then you can easily strip down the factory harness and install your own fuse / relay block. Just finished a 5.3L install into a 92 Jeep Commanche, working on a 6.0L into a 97 Ford Ranger, and also about to start an LB7 Duramax swap on my 95 Tahoe.

As for getting the PCM flashed, I would reccomend Wayne Hartwig from Pirate4x4.com, $150 bucks + shipping both ways. If you need / want something changed in the future (new cam, intake, exhaust, want more power etc) all you pay is shipping both ways for the life of the PCM.
__________________
1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)
Russell is offline   Reply With Quote
Old 12-29-2011, 10:27 PM   #18
91Subbed
Registered User
 
Join Date: Dec 2011
Location: Arlington Tx
Posts: 182
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

You guys are pushing to doing this sooner than later! Keep the info coming plez!!!
I'm gonna look for an engine this weekend...do I need the trans or can I use my 700r4?
Posted via Mobile Device
91Subbed is offline   Reply With Quote
Old 12-29-2011, 11:16 PM   #19
Russell
Professional Grade
 
Russell's Avatar
 
Join Date: May 2003
Location: Fort McMurray, Alberta
Posts: 7,915
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Quote:
Originally Posted by 91Subbed View Post
You guys are pushing to doing this sooner than later! Keep the info coming plez!!!
I'm gonna look for an engine this weekend...do I need the trans or can I use my 700r4?
Posted via Mobile Device
I'd use a 4l60e with a 4.8 or 5.3L powered truck, and a 4l80e with a 6.0L. The 700r4 is not a bad transmission, but there are complications involved with hooking it up (TV cable), it limits you to the older and less powerful drive by cable engines and simply put, they don't shift as well as the new ones do.
__________________
1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)
Russell is offline   Reply With Quote
Old 12-29-2011, 11:41 PM   #20
91Subbed
Registered User
 
Join Date: Dec 2011
Location: Arlington Tx
Posts: 182
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Ok so I've been searching and I've seen different 5.3 have different horsepower one 295 and one at 315...is there a specific year that's better for this swap?
Posted via Mobile Device
91Subbed is offline   Reply With Quote
Old 12-30-2011, 12:35 AM   #21
91Subbed
Registered User
 
Join Date: Dec 2011
Location: Arlington Tx
Posts: 182
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

How much will this swap cost me???
Posted via Mobile Device
91Subbed is offline   Reply With Quote
Old 12-30-2011, 01:56 PM   #22
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Quote:
Originally Posted by 91Subbed View Post
How much will this swap cost me???
Posted via Mobile Device
LOL that's about the most in answerable question ever. I would imagine if a person were thrifty and patient and lucky it could be done for as little as $1000 but of a person was the opposite of that it could easily run up to $6000. Mine is looking to end up right at $1600.
Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-30-2011, 01:58 PM   #23
y5mgisi
Second Chance Program
 
y5mgisi's Avatar
 
Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

BTW I got the motor pulled last night!


Posted via Mobile Device
y5mgisi is offline   Reply With Quote
Old 12-30-2011, 02:11 PM   #24
91Subbed
Registered User
 
Join Date: Dec 2011
Location: Arlington Tx
Posts: 182
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Well I'm gonna be patient and do as much research as possible. And I'm gonna follow your swap as well. I was originally gonna get a reman350 long block but then I heard about this swap. Is it really better? More reliable? More power? Better MPG? Easier to work on?
Any opinions???
Posted via Mobile Device
91Subbed is offline   Reply With Quote
Old 12-30-2011, 02:25 PM   #25
mooseknuckles
Registered User
 
mooseknuckles's Avatar
 
Join Date: Sep 2009
Location: ottawa,canada
Posts: 4,550
Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban.

Quote:
Originally Posted by 91Subbed View Post
Well I'm gonna be patient and do as much research as possible. And I'm gonna follow your swap as well. I was originally gonna get a reman350 long block but then I heard about this swap. Is it really better? More reliable? More power? Better MPG? Easier to work on?
Any opinions???
Posted via Mobile Device
...all of the above.
mooseknuckles is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 11:44 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com