1980 CJ7 first run chevy 4.3 - JeepForum.com
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Unread 02-23-2015, 09:16 PM   #1
imac61
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1980 CJ7 
 
Join Date: Jul 2011
Location: alden, ny
Posts: 42
1980 CJ7 first run chevy 4.3

This started out with an iron duke, then added TBI from a fiero got bored with that and built a chevy TBI engine and 700r4 from a 92 s10.
first run went very well just a small exhaust leak.
only thing I didnt do myself was tune out the egr. now if the weather ever breaks out of the current -9 degrees I can brake it in.
if anyone has questions about the swap just ask and I will try to answer all questions or if you need some pics sent

http://www.youtube.com/watch?v=QmApQ5z1Sko

100_1538.jpg   img_0787.jpg   img_0793.jpg   img_0953.jpg   img_0954.jpg  

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Unread 02-23-2015, 09:48 PM   #2
John N
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1981 CJ8 
 
Join Date: Oct 2003
Location: Rockville, Va
Posts: 2,377
Great looking work....should work well too.
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'81 Scrambler w/ FI 360 AMC, 33x12.50 BFG M/T's, 5" of lift, ARB'd Dana 44's F & R, Dana 300 clocked & twin sticked w/4:1, Warn XD9000i, etc...
2002 Grand Cherokee Limited, 2008 Overland Grand Cherokee, a 1976 CJ-7 in pieces and 3 more off-brand 4x4s...............
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Unread 02-23-2015, 10:05 PM   #3
IRQVET
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1967 CJ5 
 
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Location: Sonoma, California
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Wow dude, just wow!
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67 Dauntless CJ5- Seņor Money Pit
1998 Chevy Tahoe, 2D, 4WD, 2 in. lift, 33' Duratracs
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Unread 02-23-2015, 10:26 PM   #4
kjhibbs
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1981 CJ8 
 
Join Date: Jan 2008
Location: Independence, KS
Posts: 274
Nice! What upper and lower radiator hoses did you use?
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1981 Scrambler; Vortec 4.3 / 4l60e swap; 35s; getting close!
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Unread 02-24-2015, 06:20 AM   #5
imac61
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1980 CJ7 
 
Join Date: Jul 2011
Location: alden, ny
Posts: 42
Napa 7470
Napa 7575
I also ran a swivel 45 degree water neck from billet specialties .I just couldn't get the correct angle with the oem style
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Unread 02-24-2015, 07:07 AM   #6
jason280
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1994 YJ Wrangler 
 
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Location: Middle, Ga
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Looks great, love the attention to detail. Any regrets on going with the 4.3 over a 4.0 or 350?
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Unread 02-24-2015, 01:36 PM   #7
JeepHammer
Running On Empty...
1973 CJ5 
 
Join Date: Aug 2007
Location: South West Indiana
Posts: 10,887
I've been considering this myself, especially in a flattie I have planned.
I've had a Bonneville supercharged V-6 with VERY low miles on it, complete with harness and computer, and I've REALLY been wanting to get it out from under the workbench...
I think a flattie with a supercharger would be kind of cool for those 3 perfect days we have a year...

I have a question...
The level in the battery box,
Is that a tilt indicator or a battery spacer?
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Unread 02-24-2015, 01:52 PM   #8
Ken4444
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1985 CJ7 
 
Join Date: Oct 2005
Location: Houston, Texas
Posts: 4,703
Quote:
Originally Posted by JeepHammer View Post
I think a flattie with a supercharger would be kind of cool for those 3 perfect days we have a year...
ha! Best laugh I've had all year. Reminds me of Houston, except we have 6 perfect days a year.
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Unread 02-24-2015, 04:34 PM   #9
imac61
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1980 CJ7 
 
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Location: alden, ny
Posts: 42
the 4.3 has 260ft lbs of torque plenty enough to move 2650 lbs, also the v6 looks natural and dont completly hog the engine bay.
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Unread 02-24-2015, 04:50 PM   #10
imac61
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1980 CJ7 
 
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Location: alden, ny
Posts: 42
as long as the bony has a 3.8 from a rear wheel drive , is might work . keep in mind the buick is a 60 degree block and the chevy is 90 degrees, might need an adapter plate
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Unread 02-24-2015, 05:05 PM   #11
imac61
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1980 CJ7 
 
Join Date: Jul 2011
Location: alden, ny
Posts: 42
quick list of some of the parts I used

advance adapters headers and mounts, fair quality headers were a great fit but could be made with a little more steel
northern radiator excellent quality
spal electric fan excellent quality
reverse yj tank with pump in tank
2 1/4 exh. thrush muffler 2 into one pipe sounds pretty sweet but not like my other cars with big 8's
chevy astro pan and pick up tube , the s10 is just too deep and looked ugly
B&M street rod shifter, looks just like the stick I took out for the manual
Novak tranny to transfer adapter excellent quality
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Unread 02-24-2015, 06:04 PM   #12
supersport126
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1984 CJ7 
 
Join Date: Mar 2010
Location: Michigan, Michigan
Posts: 912
Beautiful Jeep!
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Unread 02-24-2015, 08:29 PM   #13
imac61
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1980 CJ7 
 
Join Date: Jul 2011
Location: alden, ny
Posts: 42
a couple of close-ups of header fitment. not sure how the v8 would fit cause I was cramped for space between my fan set up and water pump,
also one of the B&M street rod shifter ...looks like a stick shift
img_0974.jpg   img_0975.jpg   img_0973.jpg   img_0967.jpg  
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Unread 02-24-2015, 08:51 PM   #14
kjhibbs
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1981 CJ8 
 
Join Date: Jan 2008
Location: Independence, KS
Posts: 274
Quote:
Originally Posted by imac61
Napa 7470 Napa 7575 I also ran a swivel 45 degree water neck from billet specialties .I just couldn't get the correct angle with the oem style
Sweet, thanks! I am almost done with 4.3 swap from a 1999 Blazer and I used some flexible stainless hose. I would have rather used the NAPA hoses.
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1981 Scrambler; Vortec 4.3 / 4l60e swap; 35s; getting close!
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