'91 1 ton 205 front output flange?

[dyeager535]

Re: \'91 1 ton 205 front output flange?

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that is not an assumption.

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well I'm glad your here to decide what mood I'm in for me. Thanks! Your OPINION is greatly valued in this matter.

You would think after assuming wrongly that I have a 4L80E, you might spend a bit more time reading before posting a follow up to call me names. Perhaps if we want to get into calling names, ignorant or intolerant could come into play. You both ignore information and comments in posts you apparently don't take time to comprehend, and you seem very upset if someone doesn't necessarily agree with your take on things.

Since you seem to like dictionary.com so much, I'll save you time on ignorant: 4. Resulting from ignorance

Apparently you need help with reading comprehension. Did you not notice I was unaware of a yoke for my application, and you guys gave me that option, and I paid attention to that?

It boils down to that simple fact. Had I known there was a yoke that would bolt onto the 32 spline output, the post would not have been made. Now that I know the yoke exists, I believe any potential problems have been resolved.

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did you need a flathead motor to go with that? heard they are the latest thing?

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I can't believe you would be so upset as to use something so ridiculous in comparison. Once again, you can't even comprehend my situation and vehicle usage, or won't take the time to. The importance of something you use 100% of the time while driving is a little bit different than the importance of something you use 1% of the time, especially when you can't cite a specific example of anyone here running a flathead Ford, while there are likely many more 10 spline 205's running fine on this board. I find it difficult to understand why you have a problem understanding this. I don't have a problem comprehending why my specific tires aren't right for every application, thus, I don't go berating people that don't use them, and happen to do fine without them.

If you think or know something is inferior, great. State your opinion, back it up with facts, and be done with it. Let people make up their own minds. If they don't take your information (which isn't the case here, to remind you) don't whine about it, let it go. No one needs a dose of righteous attitude with an opinion.

 

[dyeager535]

Re: \'91 1 ton 205 front output flange?

You are mostly correct.

New 465/205 (with flange front output), REPLACING a 1974 465/205 combo in my "1986" K5.

Driveshaft is setup for the yoke, and the entire setup has been running perfectly fine (minus the drivetrain slop from the tranny output) for the past 5 years.

As I tried to get across to everyone, and before we started trying to crucify/defend the 10 spline in any application, I was unaware that a 30 spline yoke was even available, and this post gave me that option. I can get one new for apparently $55, or, if I can find a 203, probably much less. That makes much more sense than replacing the output, or changing the driveline in my opinion.

Tim mentioned the 10 spline was gone earlier than I was aware of, and I was unaware the 203 used a piece that may work in my application. Thanks for that tidbit...this swap is still a ways off, but I can keep my eyes peeled for the right yoke(s) now if I get the pleasure of scouring the wrecking yards any time soon!

 

[mountainexplorer]

Re: \'91 1 ton 205 front output flange?

Well, I don't want to say for 100% sure that the yoke exists on some 203's, but I do remember doing that swap once it seems.

So, are you now running the entire newer style 32spline output SM465 with the round style adapter and female input NP205? Are the lengths the same between both setups? I have a newer style 465/205 in my driveway, and it seemed 1-3 inches longer than the older style, but again, I'm not for certain.

 

[dyeager535]

Re: \'91 1 ton 205 front output flange?

I *will* be running the newer setup.

I've got all the pieces, just have to replace the 205 input (part on the way I hope!) and then all the electrical stuff for 90-91.

Whats the thickness of the newer adapter? I think my newer adapter is buried right now, but the old one I believe is sitting out in the garage. I'll measure.

 

[kennyw]

Re: \'91 1 ton 205 front output flange?

Your biggest problem is not going to be the front output yoke but your front driveline is now going to be too short while the rear driveline will be too long. The figure 8 adapter (old style) compared to the round adapter (new style) has about 3-4" difference. This moves the NP205 farther back in your truck.

I'm running into the same thing on my '79 K10 as I will be replacing the 10 spline 465/205 combo with a 32 spline 465/205 combo... I have looked at putting the short 32 spline input from a TH400 version NP205 into the new tcase then run the old figure 8 adapter, this would require a 1" spacer to make the spine engagement right and keep the driveshafts closer to stock, but will definitly cost more than just fixing my driveshafts (although I already have the 30 spline front output in my NP205 so the length is my only issue).

Might want to search for a used front driveline from a mid to late 80's K series with the 465/205 combo. I see used drivelines for sale under $25 all the time (many times free) but the hard part is just finding the right one when auto tranny's were more popular although you might find one of them the right length too if you know what measurements you need.

 

[m j]

Re: \'91 1 ton 205 front output flange?

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Obviously, a $55 yoke keeping the newer output shaft is a better idea than swapping in the older 10 spline output.

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So what was all the hissy fit about if you are going to use my first suggestion?

 

[mountainexplorer]

Re: \'91 1 ton 205 front output flange?

I wonder how much difference in length there is between a TH350/203 front driveline and the newer style 465/205. I have the two drivelines for those applications. Maybe I should go set them side by side and see.

 

[84_Chevy_K10]

Re: \'91 1 ton 205 front output flange?

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Obviously, a $55 yoke keeping the newer output shaft is a better idea than swapping in the older 10 spline output.

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So what was all the hissy fit about if you are going to use my first suggestion?

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Quit your bitchin' already. /forums/images/graemlins/rotfl.gif

 

[dyeager535]

Re: \'91 1 ton 205 front output flange?

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our biggest problem is not going to be the front output yoke but your front driveline is now going to be too short while the rear driveline will be too long. The figure 8 adapter (old style) compared to the round adapter (new style) has about 3-4" difference.

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Hmm. Did a cursory measurement of the front 4L80E driveshaft I had, and compared to the "old" 465/205 driveshaft I have in the truck now, it appears to be at LEAST 2" longer. So in other words, the stock 4L80E shaft may be a bolt in...I have a hard time believing that, it's probably about 1" too long, guaranteed. Then again, how much do you cut off the front shaft when you swap in a D60 for a 10 bolt? (donor truck had the D60) The difference between the 4L80E/465 length, adapter length, and relationship of the yoke on the D60/10 bolt axles might offset each other??

3-4" sounds to be about perfect if the D60 yoke is an inch or two "closer" to the case than a 10 bolt, while the adapter is 4" farther away.

So in essence, trading the front shaft problems (potentially) for rear. Nothing I can do about the rear shaft though, since it will be too short, correct? Maybe need to contemplate a 14SF swap for the same time? (push the yoke in the rear closer to the t-case?)

 

[kennyw]

Re: \'91 1 ton 205 front output flange?

The rear shaft will be too long and swapping to a SF14 bolt will make it worse... Do you have the new tacase in yet? It is cheaper and easier to shorten a driveshaft than to lengthen one also (cost of labor only and no new tube). Your best bet is to put the tcase in with the newer flange output and then test fit the 4L80E driveshaft. I think it will be closer to what you need there than your original one.

The rear driveline will most likely need to be shortened unless your truck has been lifted in the past? I cant remember if you had a lift or still running stock?