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1983 Scrambler "STUMP JUMPER". Frame off, 5.3 Conversion.

markdupont said:
Man, this thread is exhausting... I'm beginning my Scrambler project now. TDK frame is here, 5.3 is built. Just got the motor mounts and crossmember from Daves Customs Unlimited and Tarheel 4x4 is building a 60.

Tub is striped-n-flipped and I'll be replacing all the bad juju underneath with new steel
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Have you started a build thread on this one. I would like to follow it.
 
Didn't see it mentioned specifically in the thread. What are you doing for axles? New or rebuilt? Tks!
 
cdvcj8 said:
Didn't see it mentioned specifically in the thread. What are you doing for axles? New or rebuilt? Tks!
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Since this is strictly a street Jeep I'm replacing the 2 pc axles with 1 pc solids. I'm also staying with under 32 inches on the tires. I expect the tires will break loose before the axles but If I have any trouble with differentials I will swap them out with Dana 44's.

I'm hoping to get the body back from the painter in a couple weeks because I'm having Scrambler withdrawals since I can't work on it.
 
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Dennis, since you are having Scrambler withdrawal I hope you don't mind my questions :)

In Dain's thread you mentioned you were sticking to 2.73 for now. I'm getting Google smarter on axles and ratios, but still a lot to learn. With any size tire that matches your lift, won't it take forever to get up to 75 with 2.73's? Or will the type and number of gears in your transmission make a difference? With my 31's in the TF999 it's not great, especially climbing hills. I'm going to swap to 4.11's. I do mostly local driving and except for a certain long trip, not much highway. From what I've read that should be a good compromise for both:

http://www.quadratec.com/jeep_knowledgebase/article-26.htmHopefully
 
The problem with running 2.73 gears is that the pcm calibration is probably written with 30" tires and 3.73 gears unless the person writing the calibration was told otherwise. If the shift times(in mph) are still noted in the file as 3.73, it will be wrong for what is desired and shift late (if my beer induced reasoning is correct). Lol

Sent from my SM-G920V
 
My 8 is stock diffs with 2:73 gear tags on it and still has 30 tires. I lifted the truck 2 1/2 inches. I also have a painless wiring harness for the 5.3 and I sent my computer to them to be re flashed with all the correct data for the truck. I also live In Louisiana where the highest hill we have is about 3 feet tall. :) I will have a lot of trial and error to work out but that's where all the fun will be. If it needs 4.11's I'll put and Dana 44 with 4:11's. I also think the gearing of the 4l60E with overdrive is going to have a lot to do with it. My honest opinion is it will probably take something around 3:73 gearing. If it runs 75 MPH at 1200 RPM's then that's not going to work. I'm as curious as the next guy about this and I would like to hear from anyone that has done this swap.
 
Yea, right.
 

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zr10054 said:
Yea, right.
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Now THAT is funny. I haven't purchased ANY Jeep parts all wee.....wait.. i Jeep havent bought very manyJeep parts all da.....opps, within the past hour! :wave:


(Shop Tools don't count, correct?)
 
Update:
My Painter says I should have the tub back by Monday. Then he will paint the rest. Looks like my guesstimate of the end of February was close. Now I'm glad I still have the '81 to drive around in. Here is a picture of my '81 with the stock drive train.
 

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I gotmy Scrambler back today and I could not be happier with the paint.
 

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Juicy!!! Nice use of the reflection of your other toy to show how well done it is :headbang:
 
That really looks nice Dennis! Your guy did an amazing job. Your cowl looks great, even flawless.
 
WOW! Awesome paint! :thumbsup:

Now get busy and get that jewel put together! Look forward to seeing it in person ar Sand Blast! :wave:
 
Paint job came out very nice. It's amazing how a little color goes a long way. You'll have it on the road in no time.
 
Because of the fire the entire interior was shot so all I have at the moment is the rebuilt steering column and a new dash and the painless harness. I'll be ordering the Speedhut gauge cluster and Vintage air HVAC unit. I'm also leaning toward the Corbeau seats. Cha-Ching. It's going to be fun though.
 
The gauges are top of the line. I've got them in the cj8 build and just put the speedo cluster with fuel sending unit in the cj7. Driven her twice and fuel gauge actually works and appears correct. The GPS work good too. Speedometer reads more consistent with traffic around me when on,the free way. Also have th see oil gauge in the work Truck and works good. Nice having no drama for a change.
 
Looks awesome.

And I will be ordering the speedhut gauges when I get around to tackling the dash in mine. I wish it was in the budget right now though.
 
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