Wanted: Late model Chevy 6.0 and a service/utility body

Parts, vehicles, fab and mechanic work, etc.

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Arya Ebrahimi
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Post by Arya Ebrahimi »

Sandracer799 wrote:yea no prob. I got one out of the truck up at my buddies shop. I have to go up there today so I will try and get a pic for ya then.

as for dimensions.....

Image
Awesome! thanks!

In the pic above, do you know what's in the tailhousing? It appears removable. Is it empty? I'm wondering if I could remove that and trim down the output shaft and bolt the adapter onto where it used to attach.

Is that essentially how the 4wd trans' work? Are they just the same housing minus that tailhousing w/ a different output shaft?

Lastly, do you know if there were ever stock flanges for the outputs? or if one exists that will fit?

Thanks
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Sandracer799
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Post by Sandracer799 »

The trans in the above pic is a 2wd. I know the output shaft is longer on the 2wd than the 4wd. In my blazer I have a np208 bolted to it. The output shaft is actually a little short, but it still works.
87 K5 w/33's HT383 4L80E/208 SF14

95 K2500 454/4L80E, 14FF

83 K20 33's, 350 14.5:1 comp., Brodix heads, 585RWHP

02 K2500HD Duramax/Allison CC/SB 12.42 @ 110.12
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Arya Ebrahimi
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Post by Arya Ebrahimi »

Since you seem to have a decent working knowledge of these trannies, here's what I want to do.

I want to set the trans output up with a flange instead of a yoke. Then I will put a flange on the input shaft of the transfercase, and bolt them together instead of making a special coupler shaft with internal splines. That whole assembly would then fit inside of an adapter that would mate the trans housing to the t-case housing. Make sense?
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The Beav
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Post by The Beav »

Dont forget Josh we have that 2wd one under the bench if he wants those measurements/pics...
Baber

98 Z71
88 K5 Blazer
00 F250 7.3 4x4
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Sandracer799
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Post by Sandracer799 »

The Beav wrote:Dont forget Josh we have that 2wd one under the bench if he wants those measurements/pics...
Thats a T-400 not a 4L80
87 K5 w/33's HT383 4L80E/208 SF14

95 K2500 454/4L80E, 14FF

83 K20 33's, 350 14.5:1 comp., Brodix heads, 585RWHP

02 K2500HD Duramax/Allison CC/SB 12.42 @ 110.12
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Sandracer799
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Location: Sandston

Post by Sandracer799 »

Ok arya I have no idea what you mean in your above post. I just can not picture it in my head.
87 K5 w/33's HT383 4L80E/208 SF14

95 K2500 454/4L80E, 14FF

83 K20 33's, 350 14.5:1 comp., Brodix heads, 585RWHP

02 K2500HD Duramax/Allison CC/SB 12.42 @ 110.12
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Arya Ebrahimi
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Post by Arya Ebrahimi »

LOL, check out this writeup. I pretty much wanna do what he's now working on at the bottom of the page.

http://www.mez.co.uk/4l80e-1.html
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Sandracer799
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Location: Sandston

Post by Sandracer799 »

I assume that will work... I have never done anything like that before.
87 K5 w/33's HT383 4L80E/208 SF14

95 K2500 454/4L80E, 14FF

83 K20 33's, 350 14.5:1 comp., Brodix heads, 585RWHP

02 K2500HD Duramax/Allison CC/SB 12.42 @ 110.12
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Arya Ebrahimi
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Joined: Tue Dec 14, 2004 10:58 pm

Post by Arya Ebrahimi »

Do you know of any standard applications that have a flange on the yoke piece for a 2wd?
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Sandracer799
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Joined: Thu Aug 31, 2006 5:21 pm
Location: Sandston

Post by Sandracer799 »

I have never seen or heard of one before. Doesent mean it doesnt exist though.

Sorry I cant be more help
87 K5 w/33's HT383 4L80E/208 SF14

95 K2500 454/4L80E, 14FF

83 K20 33's, 350 14.5:1 comp., Brodix heads, 585RWHP

02 K2500HD Duramax/Allison CC/SB 12.42 @ 110.12
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jac6695
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Post by jac6695 »

Edit: bad information. Finally found a picture.

Ok here is a new idea. I think the output of a TH400 and 4L80E is 32 spline. Might be the same spline count and diameter as a Ford 205 which uses 4 bolt flanges.
James C.

97 K2500HD 6.5/4L80E/NP241/9.5/14BFF

86'ish S10 Blazer LT1/4L60E/ORD Doubler/D60/14BFF
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Sandracer799
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Location: Sandston

Post by Sandracer799 »

jac6695 wrote:Edit: bad information. Finally found a picture.

Ok here is a new idea. I think the output of a TH400 and 4L80E is 32 spline. Might be the same spline count and diameter as a Ford 205 which uses 4 bolt flanges.
Yes they are. I know for a fact because I went from a t400 to a 4l80e and used the same tcase.
87 K5 w/33's HT383 4L80E/208 SF14

95 K2500 454/4L80E, 14FF

83 K20 33's, 350 14.5:1 comp., Brodix heads, 585RWHP

02 K2500HD Duramax/Allison CC/SB 12.42 @ 110.12
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jac6695
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Location: C'Burg

Post by jac6695 »

Yeah I was 99.9% sure the TH400/4L80 are the same. Just can't remember of the 205 32 spline out is the same.
James C.

97 K2500HD 6.5/4L80E/NP241/9.5/14BFF

86'ish S10 Blazer LT1/4L60E/ORD Doubler/D60/14BFF
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Arya Ebrahimi
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Post by Arya Ebrahimi »

Interesting, I thought I read somewhere that they were 31 spline, but that definitely warrants investigating.

Thanks
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