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  #1  
Old 02-04-2013, 05:00 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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87 GW intercooled 4bt/47rh/208 w/ a/c update

Well its been almost a year since i've posted anything about my swap,(busy year- i got married this summer), so here's the update.

1991 4bt(brand new), 1994 47rh dodge cummins 4x4 trans(fresh rebuild), and a np208j from 80's fsj.
I had a torque converter custom built since i can't find any listing for a 4bt using a dodge trans. Seems like using a 6bt converter on the 4bt would be like using a 454 chevy converter on a 350.
A custom adapter was required to bolt the trans to the tcase and to allow clocking of the tcase for ground and crossmember clearance.
Custom cable actuated trans shift linkage using stock column and trans selector arm.
Intercooled-MINOR trimming to fit with a/c condensor and tranny cooler.
The overdrive trans length put the tcase into the factory gas tank requiring a swap to the bronco gas tank with stock GW sending unit(slightly modified).
Remote mount oil filter.
and remote mount dual optimas.
I modified the factory mounts on the radiator and installed a larger lower radiator outlet.
Ford tarus 2 speed fan-DO NOT USE A REMOTE MOUNT FORD STARTER RELAY to power the fan! They cannot handle the constant power and can catch fire-without blowing the 30 amp fuse(ask me how i know).
Used the factory brake booster and master cylinder. Ask a side note the brakes are excellent after i replaced all rubber brake hoses with stainless steel ones. Also replaced all steel brakes lines with new stainless one.
Currently i have over 4,000 miles on this swap.
I'm getting over 20 mpg on highway-no speedo yet so mileage was calculated on a road trips with gps and milemarkers. Mileage should increase once the 4bt is broken in a bit.
Currently the 4 inch lift, 3:31 gears, 33 inch tires, roof rack, and 100 hp engine have prevented me from using the overdrive on the trans-just to many things working against me. Some engine modifications to up the horsepower and 3:73 gears should be perfect to get the best driveability and mileage.
Looks like i'm going to have to add a 1 inch body lift to clear my a/c compressor, or drop and clock the engine an inch.
This swap utilized the stock trans crossmember, without drilling any holes. Seems there were factory holes for a 2wd trans?

I'm trying to figure out how to post pics. And in the next few weeks i plan on making/selling some of these swap parts if there is enough interest.

Last edited by loosewrenchcowboy : 02-06-2013 at 08:06 PM.
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  #2  
Old 02-05-2013, 08:10 AM
draider draider is offline
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Sounds like a very cool rig. Can't wait to see the pics.
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  #3  
Old 02-05-2013, 12:32 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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pics

http://s957.beta.photobucket.com/use...ml?sort=3&o=12

Hopefully this link will do it since i cant figure out how to resize the pics to post them on here.

Last edited by loosewrenchcowboy : 02-05-2013 at 12:52 PM.
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  #4  
Old 02-05-2013, 07:46 PM
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Resbum Resbum is offline
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Location: Small town, NE Oregon
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This sounds like a great project
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Quote:
Originally Posted by Resbum
"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290

Last edited by Resbum : 02-22-2013 at 07:22 PM.
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  #5  
Old 02-06-2013, 08:34 PM
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Resbum Resbum is offline
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Glad to see you got the picture posting issue fixed
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Originally Posted by Resbum
"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290

Last edited by Resbum : 02-24-2013 at 08:00 AM.
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  #6  
Old 02-06-2013, 10:22 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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pics

Resbum-i looked at my pic sizes, and they should work. This website says max size of 620x280, my pics on photobucket are 480x160. That is smaller. ???
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  #7  
Old 02-07-2013, 07:25 AM
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Resbum Resbum is offline
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I like this intake. Nice and clean & functional

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Quote:
Originally Posted by Resbum
"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290

Last edited by Resbum : 02-22-2013 at 07:25 PM.
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  #8  
Old 02-07-2013, 12:08 PM
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Resbum Resbum is offline
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Location: Small town, NE Oregon
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Quote:
Originally Posted by loosewrenchcowboy
Who knew this thread would end up being a tutorial about posting pics, lol. ... lol. Thanks again

...Guess i'll have to get some professional help on this kindle-my 14 yr old will be home shortly.

Haha Yep, I know the feeling.

When this is all sorted out you and I can go back to our earlier posts and edit them. Remove all the picture posting info and fill them with comments about how good your build is.
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Originally Posted by Resbum
"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290
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  #9  
Old 02-07-2013, 09:07 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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yup

Lol, yup sounds like a plan
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  #10  
Old 02-17-2013, 10:52 PM
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lil jeep mec lil jeep mec is offline
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paste it in the body of the text, not in manage attachents, thats how i do it
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78 j10 4bbl 360 green on 35's
360, t18, d20, d44's, 4.09's
plan on...
-SOA
-37's in 2 or 3 years 40's-54's
-not cutting the flares
-get the 360 running
-twin stick
-OX lockers!
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  #11  
Old 02-17-2013, 11:24 PM
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Resbum Resbum is offline
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A few days ago a member posted a thread titled "Imageshack pic tutorial". It's very well done on how to post pictures.

http://www.ifsja.org/forums/vb/showthread.php?t=163827
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Originally Posted by Resbum
"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290

Last edited by Resbum : 02-22-2013 at 07:26 PM.
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  #12  
Old 02-22-2013, 06:59 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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lil jeep, and resbum:thanks for the pic help and advice. and here we go.....



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  #13  
Old 02-22-2013, 07:05 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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Old 02-22-2013, 07:10 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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  #15  
Old 02-22-2013, 07:20 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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  #16  
Old 02-22-2013, 07:28 PM
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Very Nice. What brand of insulation is that on your firewall and heater box. I really like the looks of it.
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"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290
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  #17  
Old 02-22-2013, 08:03 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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DEI Boom Mat. not cheap, but awesome product. i think it was 75$ for 10 sq feet. Summit racing. kinda hard to shape, but holds the shape fantastically. It is sticky as hell! be careful when applying it cause it aint comin back off intact! its tough to cut, and SHARP, wear gloves and cut with tin snips. The other brands of the black tar/rolled roofing sheet stuff seem to be oil based cause wd-40 will disolve and or remove them. the asphalt stuff i may use under the carpet, thats it. when its hot out I've had the black asphalt/foil stuff fall off continously in doors, on the interior rear wall of pickup cabs, etc. NO MORE! boom mat is awesome!!!

Last edited by loosewrenchcowboy : 02-22-2013 at 08:08 PM.
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  #18  
Old 02-24-2013, 12:15 AM
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loosewrenchcowboy loosewrenchcowboy is offline
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This swap retained the stock radiator, in the stock location, but i did re-work the factory mounts on the radiator itself. Also retained the stock a/c condensor and trans cooler, although the a/c condensor was moved a little from its factory location. I also retained the factory trans crossmember, and bolted it in the factory drilled holes located further back on the frame. MINOR trimming of the opening in the front of the core support was required, thats it. No firewall or frame modifications either. Factory speedometer cable was retained, as was the steering column. The column is now cable shift to the trans. The factory brake master cylinder and booster were retained, all lines are now new hard stainless or braided stainless.

Last edited by loosewrenchcowboy : 02-24-2013 at 12:21 AM.
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  #19  
Old 02-24-2013, 08:09 AM
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Quote:
Originally Posted by loosewrenchcowboy
... The column is now cable shift to the trans. ...
Nice mod. Could you post a pic of how the cable is attached to the column? I considered doing it, and may do it in the future if I end up not liking the shifter I went with.
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"What year is my truck?... Which part?" Build thread- http://www.fsjnetwork.com/forum/view...p=18290#p18290
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  #20  
Old 02-24-2013, 09:03 PM
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loosewrenchcowboy loosewrenchcowboy is offline
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resbum

I'll try to get u a pic this week. And i think this is another part from my swap i'm gonna have to start selling. It required custom mounts at both ends, that were a PITA to figure out. Hell i spent the better part of 3 weeks at night after work scratchin my head and searchin online for a solution. Finally gave up, rolled up my sleeves, and started cutting/drillin/weldin. It works great tho!
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