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3.0L to 5.7L #884963
05/09/08 06:13 PM
05/09/08 06:13 PM
Adam F  Offline OP
Forum Moderator
Joined: Jan 2001
Posts: 11,595
Cincinnati, OH
Time has finally come to swap from the 3.0L 3vze to a 5.7L 350 Chevy small block V8. I've been talking about it for years, but I am finally able to make it happen, thanks to 4x4wire.

I decided to keep my stock R150 5 speed transmission. Several reasons why. I like 5 speeds. Stock crawl ratio is twice as low compared to that of the TH350/NP203, and no driveline modifications will be nessisary. And I know my trans shifts good and is reliable.

The engine came from a 1976 Chevy K5 Blazer. It was a "crate" motor dropped in a few years back by a friend of the family. I beleive its stock internals, but I don't know for sure. Its got 4 bolt mains, edelbrock performer intake and carb, GM HEI ignition, and ebay block hugger headers. The motor ran great when I pulled it from the Blazer, so I diddnt rebuild it. I replaced every gasket besides the headgaskets, replaced the timing chain, and basic tune up parts like plugs, wires, cap, rotor, pcv, fuel filter, etc. I then gave it a paint job. Here are some pics.

As she sat in the Blazer.

[Linked Image]

On the engine stand, stripped and degreased

[Linked Image]


4 bolt mains

[Linked Image]


Valvetrain looks good

[Linked Image]

After paint

[Linked Image]


After getting the motor prepped, I started on removing the engine from the 4Runner. I am working on it in my single car garage, so space is very limited. I decided the best thing to do would be to cut the core support out so I could lift the engine out on the hoist in the garage. With the garage door open, there is not much room overhead. Plus the core support is damaged from a run in with a tree, so it needs to be straightened anyway. So I cut all the spot welds with a spot weld cutter, and removed the core support. I yanked the engine out separate from the trans.

[Linked Image]


The engine ran great before I pulled it, just had a injector leak. I was able to part it out and make some money, which helped to buy parts for the swap. I also made some money on parting out the old Blazer.


After the engine was out, I stripped out anything no longer needed for the 350. I then painted the engine bay flat black, since the rest of the truck will be painted flat black soon. Also while the engine was out, I decided to fix the shoddy SAS job performed a few years back. The spring hanger sat crooked, and the frame tubes for the shackles were not fully welded, leaving gaps in the frame. I Cleaned the frame up, patched holes, moved the hanger forward, leveled it, and welded it back on.

[Linked Image]


Then came installing the clutch and bellhousing parts from Advanced Adapters. The kit uses a stock Land Cruiser slave cylinder. It uses the same clutch line fitting as stock. The kit comes with a special rod to use in the cylinder and a special clutch fork. You also have to remove the stock crank bushing and install a custom unit provided it the kit. I drove the old bushing out using the punch tool that was included in spark plug repair kit I had used on the 3.0. It was a perfect fit. I filled the bushing cavity with grease and pounded it out. I used a 10.5" 153 tooth flywheel. Its made by Zoom, part number 50-656. The pressure plate is a high pressure unit from Centerforce. The clutch disk is a custom hybrid unit specially made by Centerforce. It uses a stock Aisin center section, with a 10.5" friction disk. The stock friction disk is much smaller. Everything bolted up nicely. There were a few machining defects, but they appear to be strictly cosmetic.

Kit components

[Linked Image]


Pilot bushing installed

[Linked Image]


Tool used to install bushing

[Linked Image]


Clutch components installed

[img]http://img107.imageshack.us/img107/7904/swappics005smallai4.jpg[/img]


Defects in bellhousing

[img]http://img107.imageshack.us/img107/8203/swappics006smallqo8.jpg[/img]


[img]http://img115.imageshack.us/img115/7267/swappics010smallvc5.jpg[/img]


Bellhousing installed


[img]http://img115.imageshack.us/img115/1724/swappics011smallse1.jpg[/img]


The bellhousing does not include a rubber boot for the shift fork. I reused the stock one, but it still leaves a gap. I'll worry about that later.

[img]http://img115.imageshack.us/img115/9285/swappics012smalluc1.jpg[/img]


Engine and trans bolted up

[img]http://img115.imageshack.us/img115/5369/swappics014smallwp3.jpg[/img]


Then, with a series of chains and ratchet straps, I installed the engine and trans together to get an idea of where she will sit with the transmission in the stock mount.

[img]http://img115.imageshack.us/img115/1207/swappics015smallod2.jpg[/img]


It quickly became obvious that the engine was way too far forward with the trans in the stock location. So its going to have to get moved back a few inches. AA does sell a motor mount kit that includes a trans mount relocater, but I'm going to come up with something on my own. I'm either going to copy their design, or cut and weld the stock crossmember. That is where I left off. I need to do some measurements and decide if I want to make an adapter or cut and weld the crossmember. I'm leaning towards cutting and welding. I'm thinking I could cut the center section of the crossmember, move it back a few inches, and weld it back in along with some extra material to bridge the gap, then reinforce it with some gussets. I don't have the money to buy a new crossmember. Maybe later on down the road. I shouldnt have to do anything to the drive shafts. My rear drive shaft is already pulled half way out of the slip with my lift, so moving the trans back a few inches will actually be good since it should put the slip back somewhere around where it was stock. The front drive shaft is a square tube, and had plenty of extension left, so I shouldnt have to touch that either.

I'll update this thread when I get more work done. Its coming along slowly since free time is hard to come by with a 7 month old baby and my wife working late hours.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
From the Off-Road World
Re: 3.0L to 5.7L [Re: Adam F] #884964
05/13/08 03:34 PM
05/13/08 03:34 PM
Staceman  Offline
Body Damage is Cool
Joined: Sep 2003
Posts: 1,686
Phoenix, Az
Dangit Adam!

Looks like fun, and not that hard either...... Got me thinking....


85 4Runner - With NEW Marlin 4.7 Gears!! It's a whole new beast!
Re: 3.0L to 5.7L [Re: Staceman] #884965
05/13/08 09:35 PM
05/13/08 09:35 PM
Adam F  Offline OP
Forum Moderator
Joined: Jan 2001
Posts: 11,595
Cincinnati, OH
lol <img src="/forums/images/graemlins/smile.gif" alt="" />

Looks like its going to be a little harder to fit this motor than I thought. The motor is going to have to go WAY back in order to fit. Might have to buy or fab a new crossmember and modify my drive shafts. Even then its going to be a tight fit. I could get a short water pump, but then I would also have to get new accesory mounting brackets to go along with it. Which means more money. <img src="/forums/images/graemlins/angry.gif" alt="" />


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Re: 3.0L to 5.7L [Re: Adam F] #884966
05/13/08 10:14 PM
05/13/08 10:14 PM
G
Greg_Canada  Offline
Roll Me Over
Joined: Aug 2003
Posts: 2,854
Toronto, Canada
How is the clearance for the distributor?


89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
Re: 3.0L to 5.7L [Re: Greg_Canada] #884967
05/13/08 11:01 PM
05/13/08 11:01 PM
matts  Offline
Body Damage is Cool
Joined: Jan 2002
Posts: 1,617
S.E. Wisconsin
If I was doing this I would use a NV4500 transmission with an AA adapter to the t/case, and later, after I shredded the Toyota rear axle, install a narrowed dana 60 rear. Of course you can do this as the second phase of your project. I think I might do up a T100 like that. -- Matt


'89 4runner SR5, 3.0, auto (fun)
'93 xtra cab, dlx,3.0, 5spd (work truck)
Re: 3.0L to 5.7L [Re: Greg_Canada] #884968
05/14/08 03:14 AM
05/14/08 03:14 AM
Adam F  Offline OP
Forum Moderator
Joined: Jan 2001
Posts: 11,595
Cincinnati, OH
I have to figure out a new t-case mount and engine placement before I can determine distributor clearance. Plus I think I am going to switch to a short water pump.


I'll upgrade parts as I break old ones.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Re: 3.0L to 5.7L [Re: Adam F] #884969
05/18/08 05:29 PM
05/18/08 05:29 PM
Dok  Offline
Body Damage is Cool
Joined: Jul 2000
Posts: 2,191
Austin, TX ****
Lookin' good! Glad you finally got a chance to clean up the SAS too, should be awesome when it's done <img src="/forums/images/graemlins/kewl.gif" alt="" />


'87 4-Runner--DD/wheeler, 4.3 swap coming soon
'89 Supra--E85 powered 2jz NA-T Swap, 533rwhp 497ft-lbs
'89 Festiva, turboed BP swap powered by megasquirt
Re: 3.0L to 5.7L [Re: Dok] #884970
07/02/08 12:05 AM
07/02/08 12:05 AM
Adam F  Offline OP
Forum Moderator
Joined: Jan 2001
Posts: 11,595
Cincinnati, OH
Got the motor mounts burned on today. Welds dont look pretty, but they are strong.

[Linked Image]

[Linked Image]


Next I will build the t-case crossmember. Here's what I'm starting with. My stock rubber t-case mount is worn out. Instead of paying $100 for a new stock mount, I'm going to use parts of the old mount along with some bushings and tube I had laying around to make some new ones. I got the idea from Jayk's project here on 4x4wire . PICTURE That is of the 4cy mount. The 6cy mount looks a little different, but I think I can make it work.

I mounted the motor and trans up as high as I could since I have a 3" body lift. The new crossmember should give me a good amount of extra ground clearance compared to stock..

[Linked Image]


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Re: 3.0L to 5.7L [Re: Adam F] #884971
07/02/08 03:50 AM
07/02/08 03:50 AM
kewlynx  Offline
Toyota & Classifieds Moderator
Joined: Oct 2002
Posts: 15,887
Fairbanks, Alaska *****
Mad skills Adam. Ack; sure wish I had welding skills. Keep it comin'! Are you keeping a parts number list as you go along?


http://www.walkablecommunities.org/

Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote.

**ubi apis- ibi salus**
Re: 3.0L to 5.7L [Re: kewlynx] #884972
07/02/08 09:47 AM
07/02/08 09:47 AM
Adam F  Offline OP
Forum Moderator
Joined: Jan 2001
Posts: 11,595
Cincinnati, OH
Yes. The only thing that would have usable part numbers is the Advance Adapter parts (bellhousing an clutch parts) the rest is half homemade half off the shelf parts.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Page 1 of 6 1 2 3 4 5 6

Moderated by  4Crawler, kewlynx 

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