Hey everyone I'm new on the site . And I'm a little nervous about posting something. So I have a question and if there is a previous thread on what I'm trying to do or anything like that feel free to point me in that direction. I apologize if my questions have been answered in threads previous to this if so send me a link. I've done a lot of research lately and I've been considering a SAS swap on a 92.
. So I've got a 92 Toyota , a 84 solid axle , and an 87 frame. So I was looking at the cost of a trail gear 3 inch SAS kit . And I realized I don't need that much beef on my truck . I do want a solid axle and I'm going to use the one that I have . So I am considering getting an 85 or older frame putting the solid axle on that . With stock springs and steering . So I was wondering if my 92 cab and bed will fit onto an 85 or older frame with minimal maintenance . I know it might involve moving cab mounts or something, but will they fit in with the steering from the 92. I plan on using a short bed regular cab frame . Is there anything else other than maybe lengthening the steering column.
. I have nothing against the SAS kits. I'm going to sas I just don't know how I'm going to go about it, to do a kit or not. if what I'm talking about in this thread isn't going to work I will buy the kit anyway . The kit will raise my truck up a little higher than what I want , and I don't need 35 inch tires , and I'm not too interested in regearing my truck. Maybe keeping the 410 ratio with 31s.
. I guess my question is would it be less expensive and more practical for me and less complicated to find an older frame and use Toyota stock parts for the SAS. I probably don't need the SAS but I have the axle and I really want to do it regardless.
. Thank you all very much

 

You have the 92 you have a Solid axle Correct ??

You can weld and fabricate or do you need to pay someone ??

Put your solid axle under the 92 after removing the IFS .

Unless your 92 Took a hard hit in the front end pushing the engine through the cab

Get the correct steering box for your needs figure out what springs you want to use

Why make yourself extra work unless you need to keep away from the wife or girl friend

 

So my 92 frame is like a giant rust cracker aka gone. The 87 frame is solid, is the one ill use for sas kit. Thinking of getting 85 or older frame that I can bolt the the axle to and strap the 92 truck on top. As far as fabing and welding my father said he's willing to weld it for me. I've got tools and some very good borrowed skill.

 

I pieced my SAS kit together. I didn't want the height of anoff the shelf kit. I didn't want the 3" TG kit as it limits spring replacement options if I needed to swap with up or down. With allpro 4" springs and FROR hangar and shackles I wound up with about 5" of lift in front. Almost 3" of up travel. There is lower front hangars from LROR but haven't heard much about it. Unfortunately with IFS frame your limited by some frame design since IFS frame is flatter in front to accommodate A arms. Some have built lower but I'm skeptical about ride quality if frame is not clearanced for up travel. I've read that a 2wd truck frame has the arch in frame design that affords lower lift while maintaining up travel.

So so do some considerable research get copies of FSM to compare frame dimensions. Study front end geometry, with larger tires you can change the castor 2-3* for better drivability. But really if you want SAS with stock SFA height prolly easiest to use an SFA frame.

Most do SAS for Offroad capability some for cool factor at the mall. This is a lot of work and even more research. Even if you buy a kit with detailed instructions it is important to research the science and math behind what and why you are doing something and to troubleshoot problems.

I love my SAS'd rig and enjoy the Offroad capability but I would not dive into this project if just for cool factor. I sat on 33's for awhile but 35's look better and well better Offroad. 31's with my lift would look a bit like a roller skate.

 

Thanks for the info. I've done hours and hours of research, I will look into the geometry of frames more and look into the brand's of shackles you used. shackle angle and placement is what I'm worried about the most.
. if I buy T.G springs will allpro stuff like shackles and shock hoops work with the kit? Im leaning towards the kit for the sake of simplicity. I've been set on a kit but just thought what if.
The only problem I see with using an 85 or older frame is I'm not sure what I'd run into with the 92 back axle, being loner than what went on the older frames.
Thank you.

 

The rear IFS (width) axle is a common swap to 79-85 trucks, it is just 1.5" wider on each side...
You could look at doing a RUF (rears up front) conversion.
I am using the low profile LROR muddpigg mentioned on my 94, It is considerably lower than the T-G front hanger design.

 

I'd research more. TG 3" springs are a different length than the 4" spring. Since the rear shackle mount is through frame there is no moving it, So a PITA to use different height spring. Well at least that was case 2010-2011 when I did my swap. What appears to be simple may be far more expensive is long run. Or will end product height cause drive live issues, as operating angle is too high so now dual cases is a solution but that means rear driveline changes and on a short wheel base rig that means cutting spring perches and rotating axle to change pinion angle. Or if you get geometry wrong and end up with a death wobble.

i had months of research, more like over a year. Started prior to a deployment, during deployment, them months of recovery after surgery.

These upgrades are expensive. It is far cheaper to do it right the first time. I good friend of mine said "if one thing on a build was good enough how many times through out was things good enough." I wouldn't tell a young man not to build his rig but if ever you have been OCD on the research and actual project. I recently did the Chevy 63 swap, I rehung driverside front hangar 4 times, meaning I tacked it in and once even welded it in. Didn't like position ground it out 3 times to get it how I wanted. These projects take loads of work and even more research to do it right. So weigh out benefits vrs cons for doing it.

 

i would research this on pirate4x4, a lot has been written over the years, wrt 2wd frame vs. whatever.

you want a mild sas, but i would ask, why? are you sure that ifs 4wd isn't good enough.

if you must do an sas, the first thing that i'd do is pull the axle shafts on that front end, if they don't come out easily, the housing could be bent... been there done that.