Brandon's Fantasy Factory 1980 Build

Marsh99

Lover of all things Toyota
Location
Mantua UT
Had a graet time at little moab... decided I need to rebuild my carb and get dual cases.
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My sweet tow set up
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sixstringsteve

Well-Known Member
Location
UT
I'm tellin ya, all you really need are 4.7s. Dual cases are sweet, but not really needed, and not worth the extra work in my opinion. I don't think chandler had duals.
 

SmokinCamel

Went from 80" to 125" :)
Location
Salt Lake City
I do. Just don't use it all the time. I used it when I broke the hub. lol Sometime I need more tire spin then the crawl. I was using it when I climbed out of the fun spot to the left of where I broke the hub.
 

sixstringsteve

Well-Known Member
Location
UT
gotcha. Ok, I say go for it Brandon. It's nice to have the duals. It's also nice to have a twin stick. I didn't see much of a point for it before I bought it, but now I use it ALL the time.
 

864runner

I know I'm your hero
Location
West Jordan, UT
Hey Branding, I might have a duel case set up with 2.28's in both for sale pretty soon. I just wrecked my 84 and I'm just waiting on the insurance company to total it out. I'll let you know when I find out.
 

864runner

I know I'm your hero
Location
West Jordan, UT
I seen him but I didn't stay long. I just wanted to see where it was so we were only out there for maybe a half hour. But I could probably spend a whole weekend out there, that place is really cool.
 

Marsh99

Lover of all things Toyota
Location
Mantua UT
So I have spent yesterday looking at the cost and available crawl ratios. Currently I am running a L43 transmission with 1st gear ratio of 3.63 with stock transfer case at 2.28 and R/p of 5.29 so..
3.63x2.28x5.29= 43.78 to 1 crawl ratio
I have a L50 or L52 tranny unsure which it is but has a gear ratio of 3.93 with added to if I run 4.7 gears with the cost only having to buy the new gears a 250$ with current diff gears would give me
3.93x4.7x5.29= 97.71 to 1 total cost 250$
If I was to go with stock gear duals I would have to buy the adapter plate 300$, extra case 100$, new cross member 195$, length front drive line ( square) 30$, shorten rear and re balance it 50$
3.93x2.28x2.28x5.29= 108.07 to 1 total cost 675$
If I was to go with stock front and 4.7 rear case I would have to buy 4.7 gears 250$ the adapter plate 300$, extra case 100$, new cross member 195$, length front drive line ( square) 30$, shorten rear and re balance it 50$
3.93x2.28x4.7x5.29= 222.78 to 1 total cost 925$
These are all on the low end estimate but clearly the best bang for the buck is just doing the 4.7 gears.. So that’s what I will being save to get, but I would love to hear someone else’s opinion if it is different
 

sixstringsteve

Well-Known Member
Location
UT
I think that's the best idea. install the 4.7s and wheel it for a while. If you decide that 4.7s aren't low enough for you, then you can go to the dual ultimates and add a doubler in front of it. I think the 4.7s will be plenty low for you, especially with 5.29s. Just my 2 cents.

If you do go with duals, make sure you upgrade to 23 spline at the time.
 

iamsparticus

Take your Rig to the Edge
Location
Ogden,Ut
You took the words right out of my mouth brandon, i was going to tell you to just put 4.7 in your current case and you will love it, 97 to 1 is a way low ratio, and the cost for you is way low too, i plan to do the same thing except i have to buy a 300 dollar adapter to make it fit my tranny, but when you get the gears give me a call i want to help install them
 

Marsh99

Lover of all things Toyota
Location
Mantua UT
Found sweet thread on carbs on pirate, I am going to do a vent mod, lower my float, I picked up a msd ingintion kit, and going to run fuel reg, and rebuild my carb. I am going to do a indepth description of all of this because I could not find much info on the 20r so i can help others.
 

Marsh99

Lover of all things Toyota
Location
Mantua UT
I had a guy at my work swear by this cheap autozone fuel presure regulator. It adjust by the dial on it from .5 to 5 psi
spectre 2517
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also picked up my 20r rebuild kit from napa
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now i have to wait until saturday to get it done
 

Marsh99

Lover of all things Toyota
Location
Mantua UT
So I ended up just buying a 20r carb that was already rebuilt, got for a great price. I hooked up to my truck with the fuel regulator and man does it run good now. Even with it being cold today it fired right up. Now I just need to test it at high angles.
 
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