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Old 01-22-2012, 08:53 PM   #1 (permalink)
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Stretched Flatty Specs

There are quite a few stretched willys on this board, but I haven't been able to find a picture thread comparing them. It would be cool if we could start a bit of a spec sheet with pictures. There are a few threads scattered here and there discussing body mods (stretch behind the door or in the door), wheelbase (longer wider), belly height (flat skid with or without a hole in the hood?), suspension setup (soa vs sua vs links), frame mods (custom vs modified stock vs non jeep frame), and trail weight. The hard part is searching it all out when trying to plan a body stretch and some of the same topics seem to come up a lot. This could be a great tool for everyone wanting more... or less. Unless someone already has this all lined out please post your...

Wheelbase
Tire Size
Belly Height
Measurement to the Top of Your Hood/Grill
Suspension
Stretch Mods
Frame Origin
Drivetrain (include axle wms)
Vehicle Trail Ready Weight

Please include a picture on level ground from the side and front if possible. Also a link to your build if you have one. A note on performance and things you would change might help too. Thanks for participating.



An example from Silent Hunter's Willys Build (feel free to post and fill in the gaps/mistakes and I'll delete this example, hope you don't mind me using your jeep)

Wheelbase 101"
Tire Size 35s "for now"
Belly Height
Measurement to the Top of Your Hood/Grill
Suspension SOA BDS 2.5"
Stretch Mods 9" in door 7" behind door
Frame Origin Custom 2x4x.188
Drivetrain 4.3tbi, sm420, d300, dana 44s with wms?
Vehicle Trail Ready Weight




Here are some others awaiting specs. It doesn't have to be stretched or heavily modified to contribute useful information




Last edited by CAVE; 02-08-2012 at 09:32 AM.
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Old 01-22-2012, 09:14 PM   #2 (permalink)
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Wheelbase---109''
Tire Size--39.5''
Belly Height---23''-25" need to get front end together for final measurement
Measurement to the Top of Your Hood/Grill---53.5" give or take and 78.5" to top of windshield frame give or take
Suspension--14" SAW coilovers, 4 link rear, 3 link front
Stretch Mods ---12" in the door and tilted the grill--moved it out 3.5" at the bottom and top is back about 1/4" from front edge of hood--the 2nd pic shows my 1st attempt at grill slant, so it's not where it is now, it has been pushed even further out per the above description
Frame Origin--2x4x .188
Drivetrain (include axle wms)--built 5.0, zf5-42,atlas 4spd,front dana 60/rear 9", wms69"
Vehicle Trail Ready Weight--???
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Old 01-26-2012, 07:00 PM   #3 (permalink)
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Here's mine. Didn't stretch the tub any, only the wheel openings because I want to put a soft top on it. Hind sight I would have moved the motor back about 2 inches and stretched the hood a couple more inches to fit a Taurus fan. With the mechanical fan and shroud it runs hotter than I like on a hot day because I can't get the RPM's up enough for the fan to be effective.

Wheelbase---89
Tire Size--35
Belly Height---can't remember
Measurement to the Top of Your Hood/Grill-- haven't ever measured
Suspension--4.5" lift Rubicon Express YJ spring under axle
Stretch Mods --- 3.5" at hood and fenders
Frame Origin--51 M38a1 (same as early CJ5). stretch 2" front, 4" back
Drivetrain (include axle wms)--TBI 305 SBC, TH350, D300, Waggy axles 61.5 wide wms-wms for front and 58 rear.
Vehicle Trail Ready Weight--3500ish




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Old 01-26-2012, 11:23 PM   #4 (permalink)
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I didnt stretch the body on mine any either. (for a soft top) My wb is 90", stretched about 4" in the back, and pushed out 6" in the front. Build thread in my sig.
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Old 01-28-2012, 06:39 PM   #5 (permalink)
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this would be mine.
started out as a 46 cj2a. boxed the frame and added 2" up front and 2" out back. the body is not stretched, but the rear wheel wells are recut. the wheel base is 88 inches. i used stock yj springs in a soa setup.
43.L tbi, t18 and d20
36" iroks
d44's frt and rear.
stands around 80 some inches to the top of the soft top.
wms-wms is 58"


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Old 01-29-2012, 12:45 PM   #6 (permalink)
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That last picture you have is of mine. Here's the specs from when it was pictured, its getting completely rebuilt right now.

Wheelbase 95"
Tire Size 37's
Belly Height 24" or close to it
Measurement to the Top of Your Hood/Grill no clue
Suspension SOA YJ springs
Stretch Mods 14" in the door
Frame Origin chopped full size Cherokee frame
Drivetrain AMC 360, T-18, D20, D44's
Vehicle Trail Ready Weight no clue

and the poser shot
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Old 01-29-2012, 09:14 PM   #7 (permalink)
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I have nothing to add except I can't wait to see what you come up with, Cole
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Old 01-30-2012, 05:45 PM   #8 (permalink)
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Well, I thought I would toss in my mini-stretch......

Wheelbase-85" ( so far, +4F/+2R )
Tire Size- 35" Krawlers
Belly Height- 19.75" to frame rail, 18.5 to the belly lowest point
Measurement to the Top of Your Hood/Grill- 46"
Suspension- 1" superlift SUA rear spring on all 4 corners
Stretch Mods- 'Highline' modification resulting in 1.38" forward grill location
Frame Origin- Custom 2x4 box frame
Drivetrain (include axle wms)- Buick v6, sm420, D18, D44 rear, D30 front. 54" WMS
Vehicle Trail Ready Weight- Will include later

Some more measurements....

Top of windshield frame- 67"
top of tub- 44"
Door sill height- 33.5"
Rocker height- 23.88
Front fenders raised 2.75" from stock location
overall width- 72"





Another pic that shows scale a little better.....with a bad pic. I'm 5'10"

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Old 01-31-2012, 04:17 PM   #9 (permalink)
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#1 on the left is a 1951 M38 known as the mojave limo. built in 1995 it was streched 24" between the door well and the rear tire. the frame is a 72 cj-6 with a 3/16" strap front to back on the bottom frame rail. rear cross member is 3" channel and 3" angle with a reciever hitch, front is 3/8" plate cross member/winch mount. all new spring and shackle mounts of 3/16" or 1/4" stock. ron davis rad. 400+hp 350/700r4 dana300 dana 44s with 5.38 gears an detriots. YJ 2 1/2"lift springs SOA, scout power steering box. normally when i do a repower i carve out the firewall set the biggest rad i can squeeze in,mount the engine then replace the firewall. this one has a 3" setback with lots of room for air flow and work space. at least as much as you can expect when cramming 9lbs of crap in a 3lb sock. the key to building flatties is space managment and compromise.
WMS 57"fr/56" r
WB 106"
hood 53"
body 49"
windshield 79"
over all hi 82"
" " wide73"
" " long 157"
skid plate 20" 3" drop style
35x12.5x15 BFG T/A KM2
ready to rock 4550lb 2300lb front/2250lb rear

the one on the rite is registered as a 1942MB nad called the junk yard dawg because its the result of cleaning my yard year before last. 76 scout frame 3 link with a pan hard front, a arm 3 link rear with an air bag for when it gets belly hung. balastic joints on 2x 1/4" wall stock, aerostar mini van coils, 4.3 vortec on propane/turbo 400 manuel shift, dana 300 with 4 t0 1, chevy 60 front 4.88 detroit, rear is hi pinion tera 60 center with 4.88 detroit and 14bolt outers with disc brakes. this hood allready had a big ass hole in it so i just made fun of it with the air cleaner and the hillbilly air horns. both have the same MB style 9 slat grill for max air flow. the 42 has hella 35watt driving lites, and the 51 has harley driving lites off some big ol dresser. the transfer case on both are clocked flat
WMS 63"
WB 109"
hood 51"
body51"
windshield 74"
over all hi 75"
" " wide 79"
" " long 153"
skidplate 24" flat style
39.5 12.5 17 iroc radials on trail ready bead locks
ready to rock 4600lbs 2330lbs fr/2270lb rear

i didn't strech the bodies in the door wells because i think it ruins the look of the flat fender and i belive it doesn't give you any extra room to get in and out with the seat most of us use now.
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Old 02-06-2012, 04:12 PM   #10 (permalink)
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Mine is stretched 27" in the body and 28" on the wheelbase.

All of the build details are in my thread.


Wheelbase
108"

Tire Size
42 x 15.50 x 16.5 on Trail Ready Recentered Beadlocks

Belly Height
30.5"

Measurement to the Top of Your Hood/Grill
~5'

Suspension
Front: Deaver springs (44044 dimensions) .313 main and secondary military wrapped, 7/16" center pins

Rear: Reversed E-150 (Deavers) 8 leaves, .313 main and secondary military wrapped, 7/16" center pins

Stretch Mods
8.5" in the door sill, 18.5" behind the sill

Frame Origin
2 x 4 x.120" square tubing (custom-built obviously)

Drivetrain (include axle wms)
351W EFI
ZF S5-42
D-300
D60 (69.5" WMS)
14 bolt (67.5" WMS)

Vehicle Trail Ready Weight
6000 lbs
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Old 02-08-2012, 08:32 AM   #11 (permalink)
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Wheelbase: 89"
Tire Size: 36"
Belly Height: ?
Measurement to the Top of Your Hood/Grill
Suspension: Front, SOA Waggy springs, Rear 4 link with FOA CO
Stretch Mods: 4" behind the front fenders, Custom (larger) hood.
Frame Origin: Custom 4x2 square tube.
Drivetrain (include axle wms): 2007 LY6 (6.0)/TH350/D300, Waggy 44s.
Vehicle Trail Ready Weight: 3.300 pounds.
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Old 02-17-2012, 01:32 AM   #12 (permalink)
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btt

Hoping to see more examples.

Great thread idea.
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Old 03-09-2012, 08:58 PM   #13 (permalink)
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Mine

The reason for starting this thread was to help me make some decisions on my build. I guess I'm far enough to put up a picture and some specs. Still have a bit to go though.

Wheelbase- 100.5"
Tire Size- 35/12.50/15
Belly Height- 17.25" currently everything tucked above the frame
Measurement to the Top of Your Hood/Grill- 46"
Suspension- OME 2.5" yj springs SUA
Stretch Mods- I didn't have a stock tub to compare to, but a few inches in the door and and few behind the door. Basically did body "skins" to look what I perceived as "right" for the wheelbase I wanted. (I like the goofy cj6 look)
Frame Origin- 2x4x.120, I didn't do the 4" stack frame, I added 2" for a total 10" instead of the 8" of a stacked frame to get the drivetrain under the hood and above the frame
Drivetrain (include axle wms) 4.3L, 700r, np231c, waggy axles (58-62")
Vehicle Trail Ready Weight- 3700lbs



A little more done now and driving...


Painted and on the road...



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Old 03-10-2012, 12:03 AM   #14 (permalink)
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Quote:
Originally Posted by CAVE View Post
...
Wheelbase- 99.5"
Tire Size- 35/12.50/15
Belly Height- 17.5" currently (but shooting for 18-19), everything tucked above the frame
Measurement to the Top of Your Hood/Grill- 45.5" (again, planning on a bit taller)
Suspension- OME 2.5" yj springs...

Drivetrain (include axle wms) 4.3L, 4L60e, np231c, waggy axles...
...
Looks like you sent the upper front shackle bolt through the frame which appears to enable the movement of an extended shackle without suffering an all-under-frame mounted, long, low-hanging shackle catching everything in its path.
Great idea. Seems a nice shackle angle, too.

I'd guess that the thru-frame shackle mount also solves some caster angle issues with ext shackles and 2.5" lift springs. SOA, right?

Do you have a saginaw steering box mounted inside the front frame horn?
If so, does the mount or gear box interfere with the upper frt shackle bolt?
Maybe the gear is mounted at an angle?

Or does the rig have another steering setup?

Is the rear upper shackle mount also sent thru the frame?


At some point as you're workin' on the rig and if it's not too much trouble, I'd like to know the following:

WMS inches (save me a search on waggys):
Rim offset:
Track width:
How close the tires come to the frame/spring, fore and aft, at full lock.
With regard to only frame/spring contact, what would you say is the tallest tire you can run with what knuckle angle?


I think I agree with most everything I see except for the door stretch that I'd keep stock for off-the-shelf soft top doors.


Very interesting take on stretching a FF. Looks like you do good work.
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Old 03-10-2012, 07:40 PM   #15 (permalink)
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Do you have a saginaw steering box mounted inside the front frame horn?
If so, does the mount or gear box interfere with the upper frt shackle bolt?
Maybe the gear is mounted at an angle?
Yes, No, No. I spaced the steering box out from the frame enough to clear the shackle.

Is the rear upper shackle mount also sent thru the frame? Not yet, but it will be.

WMS inches (save me a search on waggys): I believe stock front is 62" and rear at 59" (from memory which isn't that great)
Rim offset: 15x9s with 3.75 backspacing
Track width: approx. 76"
How close the tires come to the frame/spring, fore and aft, at full lock.
With regard to only frame/spring contact, what would you say is the tallest tire you can run with what knuckle angle?
I'm not in a spot at the moment to full lock the steering, but I did run 36s with a very similar setup on a previous jeep. Frame width is waggy perch width at 30" inside.

I think I agree with most everything I see except for the door stretch that I'd keep stock for off-the-shelf soft top doors. I will probably be building a custom top and doors at some point, but that is a long way down the road.

I hope that answers your questions. I'm considering a build thread, but not sure yet.

*Edit* it is SUA

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Old 03-10-2012, 07:44 PM   #16 (permalink)
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Wheelbase 101"
Tire Size 35s "for now"
Flat Belly skid Height 21"
Measurement to the Top of Your Hood/Grill 49"
ground to top of windshield 77"
Suspension SOA BDS 2.5"
Stretch Mods 9" in door 7" behind door
Frame Origin Custom 2x4x.188
Drivetrain 4.3tbi, sm420, d300, dana 44s with wms 61" front and 59.5" rear
Vehicle Trail Ready Weight 4000#




Click on pic for video:
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Old 03-10-2012, 09:34 PM   #17 (permalink)
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SUA!

That makes the rig even better.

Thanks for the info.
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Old 03-12-2012, 03:38 PM   #18 (permalink)
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Wheelbase: 92"
Tires size: 36"
Belly Height: 19"
Top of Hood/Grill: 49 3/4"
Suspension: RE 4.5" wrangler springs SUA
Stretch Mods: 6" in door
Frame: 2x4x.120
Drive Train: 225/T18/D18/Warn OD, Wagoneer D44's
Vehicle weight: Not finished!
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Old 03-16-2012, 01:58 AM   #19 (permalink)
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Any more pics or specs of the first two "others"?
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Old 03-16-2012, 08:55 AM   #20 (permalink)
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Quote:
Originally Posted by lawsonj5 View Post
Wheelbase: 92"
Tires size: 36"
Belly Height: 19"
Top of Hood/Grill: 49 3/4"
Suspension: RE 4.5" wrangler springs SUA
Stretch Mods: 6" in door
Frame: 2x4x.120
Drive Train: 225/T18/D18/Warn OD, Wagoneer D44's
Vehicle weight: Not finished!
Nice Jeep...
If I could do it all over again, I would stretch those 6 at the doors.
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Old 03-16-2012, 01:43 PM   #21 (permalink)
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Nice Jeep...
If I could do it all over again, I would stretch those 6 at the doors.
Yeah, I'm 6'4" and I wheeled my stock flatty for 10 years. I wanted it to look as close to stock but i need the leg room!
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Old 03-16-2012, 06:39 PM   #22 (permalink)
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Some nice photos and diagrams of factory 6x6 WW2 Willys. Notice the widened front fenders, widened body tub, but hood remains original width. Might give some additional ideas for this thread.
http://www.militaryphotos.net/forums...Super-Jeep-6x6
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Old 04-03-2012, 12:00 PM   #23 (permalink)
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I am new to the flatty club.

109" wheelbase.
27" belly
76" top
39.5's now, 42's in pictures.

Tube chassis, fiberglass tub, hood, and grille, linked front and rear, L67, Art Carr Reverse valve body 700R4, Atlas, D44 and 9", 2700lbs trail ready.
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Old 04-12-2012, 10:10 PM   #24 (permalink)
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Originally Posted by Turbos10 View Post
I am new to the flatty club.

Tube chassis, fiberglass tub, hood, and grille, linked front and rear, L67, Art Carr Reverse valve body 700R4, Atlas, D44 and 9", 2700lbs trail ready.
link to build up or more pics please
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Old 04-13-2012, 04:55 AM   #25 (permalink)
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alienjeep -link to build up or more pics please
Yeah, anymore on this?
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