1992 Sas
#2
Registered User
iTrader: (1)
Welcome to YT!
Sorry but with questions like these, you are not yet ready for a SAS and need to do a lot more homework.
Technically the answer to your question is NO, you do not need a kit to do a SAS. There is no "best" way to do anything - educate yourself with the options and choose one that suits your interest/funds/capabilities.
Sorry but with questions like these, you are not yet ready for a SAS and need to do a lot more homework.
Technically the answer to your question is NO, you do not need a kit to do a SAS. There is no "best" way to do anything - educate yourself with the options and choose one that suits your interest/funds/capabilities.
#4
you can get a jig kit that will center the frame tubes for the upper shackle bolts, but i have no idea how well it works, i bought my '86 with the sas already done.
you'll have to plate the frame sides under the steering box, preferably all the way to the front crossmember, where it should be tied into the crossmember, because that is a weak point.
i tied one side of that frame plate into the front shackle mount.
have a clear goal about what tire size you want to run, before you start... i got my truck with 35's, when i went to 37's, i had to get a shorter steering arm, because the steering box hadn't been moved far enough forward... the steering box was touching the front of the body, but what the p.o. should have done was cut out part of the body, and mount the steering box further forward, into the cut-out cavity.
the caveat is that both crossover arms need to be as parallel to the axle as possible, so putting the box too far forward, with the front axle housing in the stock '85 location, isn't ideal for that.
if the axle housing is in the stock location, you might be able to get away with 35's in front by running body lift and pounding the inner fender seams down... but after i bent my stock toy front axle housing, i got the trail gear housing, which allowed me to put the axle housing further forward, because it has longer spring plates, you can use any one of three holes for the centering pins on the springs.
paying for a rig that's already been sas'd is much cheaper than buying everything yourself, but you end up with the kind of headaches that i just described.
i would suggest going out to pirate, and reading everything there about this.
you'll have to plate the frame sides under the steering box, preferably all the way to the front crossmember, where it should be tied into the crossmember, because that is a weak point.
i tied one side of that frame plate into the front shackle mount.
have a clear goal about what tire size you want to run, before you start... i got my truck with 35's, when i went to 37's, i had to get a shorter steering arm, because the steering box hadn't been moved far enough forward... the steering box was touching the front of the body, but what the p.o. should have done was cut out part of the body, and mount the steering box further forward, into the cut-out cavity.
the caveat is that both crossover arms need to be as parallel to the axle as possible, so putting the box too far forward, with the front axle housing in the stock '85 location, isn't ideal for that.
if the axle housing is in the stock location, you might be able to get away with 35's in front by running body lift and pounding the inner fender seams down... but after i bent my stock toy front axle housing, i got the trail gear housing, which allowed me to put the axle housing further forward, because it has longer spring plates, you can use any one of three holes for the centering pins on the springs.
paying for a rig that's already been sas'd is much cheaper than buying everything yourself, but you end up with the kind of headaches that i just described.
i would suggest going out to pirate, and reading everything there about this.
Last edited by osv; 06-30-2015 at 11:55 AM.
#5
Thanks for the replys. I bought a 1980 4wd rolling frame today an the guy I bought it from said he's done plenty of these straight axle swaps an would gladly help me get my truck to his shop an do the swap one weekend soon.
#6
Registered User
iTrader: (1)
read up on the differences of a factory solid axle truck vs a SAS truck - some of it will be very important depending on what your plans are. not uncommon to basically have to perform many steps of a SAS on an already solid axle truck truck, just to do certain things.
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BigBluePile (03-28-2021)
#9
Registered User
there is no "best way" except what is "best for you".
best as in cheapest?
best as in easiest?
best as in tallest?
best as in "don't follow me, you won't make it"?
There's a link in my signature if you want to check out my build, 95 4runner, trail gear 3" kit. 37 inch swampers, 5:29 gears and air lockers.
decide what's right for you.
Oh no, I fell for the old moldy thread trick.
Last edited by akwheeler; 03-22-2021 at 12:22 PM.
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