The New Toy: 1978 CJ-7 - JeepForum.com

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post #1 of 18 Old 03-23-2010, 10:20 AM Thread Starter
sweetguardian00
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The New Toy: 1978 CJ-7

Hello All!

I recently (this afternoon) picked up a 1978 CJ7 for $5,000. This Jeep is completely rust free (my bad, the Cat has rust on it......) Someone had put MORE frame skin kit in it, newer tub and harness, blah blah blah. 304/TH400/Q-Trac Part time kit. My big question is, is their a way to tell if she's got the 16% overdrive?

Cam


1946 CJ-2A 225/T90/D18
1966 CJ-5 231/T86/D18
1986 CJ-7 258/TF999/D300
1984 C-10 6.2/SM465
Yeah it's a Diesel
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post #2 of 18 Old 03-23-2010, 11:31 AM
JoonHoss
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J/K congrats on the purchase- but seriously... pics please!

what do you mean by 16% OD, TH400's are a straight-through 3-spd 1:1 auto, no?



Hoss

"Genius may have its limitations, but stupidity is not thus handicapped."
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post #3 of 18 Old 03-23-2010, 11:31 AM
243
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I don't believe you, post pics of this rust-free Jeep for proof

And what the heck is a "MORE frame skin kit"?

Dangit Hoss, you beat me

1978 Cherokee, TBI 360/T400/QT...6.0/6L80/NP241C in the works...
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post #4 of 18 Old 03-23-2010, 11:39 AM
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Dangit Hoss, you beat me
yes, of course; hella-wicked typing speedster that I am...

Hoss

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post #5 of 18 Old 03-23-2010, 12:41 PM
SeaWulf
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And what the heck is a "MORE frame skin kit"?
I think he means the frame reinforcement kit
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post #6 of 18 Old 03-23-2010, 12:50 PM
CSP
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The part time conversion kit is where the 16%overdrive would be located JoonHoss.

I'm not sure how to tell if it's there other than cracking open the tcase.
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post #7 of 18 Old 03-23-2010, 01:30 PM
JoonHoss
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The part time conversion kit is where the 16%overdrive would be located JoonHoss.

I'm not sure how to tell if it's there other than cracking open the tcase.
aha! you know, the more you know, the more you know you don't know!

Quadratrac Transfer Case

thanks CSP

Hoss

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post #8 of 18 Old 03-23-2010, 06:54 PM Thread Starter
sweetguardian00
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well, just got her home, and we did some more research on this thing. It's probably worth around $8,000 to $9,000 on eBay. It literally is "perfect". the thing screams down the highway at 75 no sweat. Pics will come when this rain STOPS!!!!

1946 CJ-2A 225/T90/D18
1966 CJ-5 231/T86/D18
1986 CJ-7 258/TF999/D300
1984 C-10 6.2/SM465
Yeah it's a Diesel
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post #9 of 18 Old 03-23-2010, 07:30 PM
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aha! you know, the more you know, the more you know you don't know!... Hoss
Made me laugh!

Kerrdog
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But the right word at the right time... "Hey, give me a little hug!" That's the difference between lightning and a harmless lightning bug!
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post #10 of 18 Old 03-24-2010, 10:08 AM Thread Starter
sweetguardian00
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so, i've been tinkering around with it a little. the high idle (~1000RPM) was making the Jeep jump into D and R as well as kinda taking it away at stoplights (it would do 20 by itself). so i unscrewed the idle screw all the way......fixed nothing. Then my mind went to vacuum leaks. I found 4. The charcoal canister cap had come off, their was a leak in one Q-Trac vacuum line, their was an open port in the carb, and then their was a line (hard) that comes off the carb (Champion) right under where the electric choke coil is held. I plugged them and it dropped about 100RPM, so it got a little better, but not correct. So this morning i took it to class. High idling again (as well as the high idle cam NOT engaging on cold start). So my next idea was timing. I read on the Emissions sticker a 304V8 w/ Auto should be set at 10 degrees BTDC. So i put the timing mark dead on with my DC Induction timing light on the stock ignition system with vacuum advance unplugged AND capped. The idle finally dropped significantly (yet it still will run w/o the idle speed screw touching the throttle). the LATEST events are 1) at idle in drive at full stop, she's shaking and sputtering, kinda like the idle's set a tad too low. 2) the Jeep when i'm driving out of a dead stop, and when i'm cruising at like 10MPH, just before 2nd gear shifts, and i give it a fair amount of throttle, she'll "cough" as if it's off time..... but then after this "cough" it's good to go...........Any ideas???????

1946 CJ-2A 225/T90/D18
1966 CJ-5 231/T86/D18
1986 CJ-7 258/TF999/D300
1984 C-10 6.2/SM465
Yeah it's a Diesel
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post #11 of 18 Old 03-24-2010, 12:01 PM Thread Starter
sweetguardian00
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also does anyone have a vacuum diagram?

1946 CJ-2A 225/T90/D18
1966 CJ-5 231/T86/D18
1986 CJ-7 258/TF999/D300
1984 C-10 6.2/SM465
Yeah it's a Diesel
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post #12 of 18 Old 03-24-2010, 12:34 PM
JoonHoss
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also does anyone have a vacuum diagram?
Let me google that for you



Hoss

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post #13 of 18 Old 03-24-2010, 01:10 PM
SlikRic
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ROFLMFAO

United States of America
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SUICIDE
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post #14 of 18 Old 03-25-2010, 06:46 AM Thread Starter
sweetguardian00
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Hos,

Ain't that a b!tch, no V8 diagrams......

1946 CJ-2A 225/T90/D18
1966 CJ-5 231/T86/D18
1986 CJ-7 258/TF999/D300
1984 C-10 6.2/SM465
Yeah it's a Diesel
sweetguardian00 is offline  
post #15 of 18 Old 03-25-2010, 08:23 AM
JoonHoss
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Hos,

Ain't that a b!tch, no V8 diagrams......
Dude, seriously?

Let me google that for you



Hoss

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