Divorced doubler questions

[big_truxx]

I think I would be best off with a 10-speed and a divorced 205. Simply because that's relatively simple and strong. and with the low 1st gear of somewhere between 12 and 16, (as opposed to the 465's 6.55 1st gear) it would already crawl at about the same rate as if I had a doubler in a regular setup with the 465 4-speed.

 

[darkshadow]

i think it would be cheaper to find a devorced 203 and a 205 to make your set up then to put that tranny in

 

[big_truxx]

i think it would be cheaper to find a devorced 203 and a 205 to make your set up then to put that tranny in

Why do you think so?

I do not because I had seen recently a mack truck with both the 3208 I want and a 10-speed (whole truck) for $2,750. A doubler runs about $2,000 so I have been told. And I also would have to source a divorced 203... plus there is always the possability that I could sell some of the left over truck parts for a little "recouped" money.

 

[BlueBlazer]

You sure you saw a Mack with a 3208? That would be a new one for me.

 

[big_truxx]

That's what I was thinking too. It was written that way in the ad. May be a typo, but still it was an example of what I can find if I am patient and look in the right spots.

 

[sled_dog]

You think you are really going to crawl a truck that has that big of a motor in it? I've seen older regular pickups with Cat motors before and they were nothing more than street rigs. SWEET street rigs, but street rigs. You'd better have a strong intermediate shaft between that trans and 205, not to mention you may well find the limits of a 205. Consider the intermediate shaft will be put under whatever torque the motor produces times your first gear, say what 12:1? ouch...

not to mention axles. don't know what you are thinking but I'd bet a 60 would be crying for mercy under the weight and torque. Rockwells may work, and if you went that route you would have 6.72:1 axles so crawlability would go up. But then you have width issues vs the body.

 

[big_truxx]

The weight on the front end will not hurt it at all. I know a guy who's done a dozen or more CAT V-8 swaps to 81-87 chevy K series trucks. And almost all of them were 1/2 ton models. And they had 1/2 ton front springs with an add-a-leaf. So does not matter what front end just the difference between IFS and a solid axle. As for the divorced transfer case and the 10-speed... You have a good point. I do not intend on offroading this truck at all. It will be a hauler/work/possibly a recovery truck. In reality what I need is an easy/reliable/strong setup to tie the engine transmission and transfer case all together. Something like a clark 5-speed may be a better bet with a divorced 205. That's probably about the best way I can currently thik of. Unless something like th NV 4500 that would be behind the cummings would bolt to the CAT and the married 205.

 

[sled_dog]

springs wasn't the point. More weight more likely to break axles. A Toyota or S10 is more likely to run 10 bolts and have them survive. Where as under a full size they won't last nearly as long or through as much.

 

[u2slow]

Something like a clark 5-speed may be a better bet with a divorced 205.

There's also some 6 and 7-speed units out there. I think it was a Spicer "Super 7" I saw coupled with a 5.9L Cummins in a Freightliner.

 

[big_truxx]

springs wasn't the point. More weight more likely to break axles. A Toyota or S10 is more likely to run 10 bolts and have them survive. Where as under a full size they won't last nearly as long or through as much.

then how does the CTD work in trucks?

 

[big_truxx]

There's also some 6 and 7-speed units out there. I think it was a Spicer "Super 7" I saw coupled with a 5.9L Cummins in a Freightliner.

very true. Spicer and eaton-fuller have 5,6 and 7 speed transmissions. I can also modify a bellhousing to work wih the 465 I got in the truck currently. That's all the guy I used to know used and he had great succes.