D2 - Chris indicates that lift will work for 31575r16 tires. The 33's you mention could be done a lot cheaper. The install of a lift on the 80's is really easy and straight forward since it's coil springs. The toughest part would be the castor correction and if need be, you could always take it to a shop and ask them to just do that afterward.
35's are not for everyone and to do 35's right, you'll need to address more. Panhards, front control arms, upper rear arms, possibly dk front driveshaft, 4.56 gears (based on yours' being the 1FZFE) etc.
Going to 33's is no big deal, but that's kind of a limit before you start tossing big $$$ into it. If you ran 35's and didn't have new gears, I think you'd be extremely disapointed. That's just my opinion though. .... also depends on if you're looking at 35's for trail only and your main street tire is 31 for example.
Just make sure if you or someone else does your lift to adjust your LSPV - load sensing proportioning valve - what dictates when you step on your brakes how much braking power comes from rear vs front. You want to be able to stop after the new lift and don't want any bad nosedives when doing a panic stop.
Let us know when it gets closer and we'll help you out as much as possible. .... especially if you're located close to another forum member.
I did Chris' install except not the J's as they weren't available yet. Works fine with the 35s.
Not sure what the big deal is with those J springs. You add a 1" longer spring and shock to get more articulation and then because of that you then add additional spacing to reduce that articulation so the shocks don't bottom out. Sounds to me your back to the non Js performance with a lighter wallet and more time invested?
Longer shocks have longer pistons inside. The longer piston creates a shock with a longer compressed length. If your lifting the truck that's not a problem.
Extreme example to show principal...
Starting with a suspension that has 5" of travel limited by the shocks. Now remove the shocks and springs and replace the shocks with ones that have a 10" stroke and install springs that let those shocks ride at about 1/2 under normal use.
With this example you will need to install bumpstop spacers to limit the travel and prevent the shock from compressing too far but you still have a suspension with twice the travel. Sure it would be nice to have a shock that would have more extension without increasing the compression point but that's very difficult to do.
With the 80 shocks:
N73 shocks are 614mm Extended and 354mm compressed thus 614-354 = 260mm Stroke
N73L shocks are 667mm Extended and 387mm compressed thus 667-260 = 280 Stroke that's 20mm more stroke.
With a longer shock you will need to limit compression a bit, but your gaining more than what was lost on the extension end. It's also important to note that a spring is designed to only compress so far. Over compression of a spring will eventually bend the spring. A taller spring can't compress into the same space as a similar shorter spring. Thus with taller springs you need to limit compression to prevent spring bendage.
Stock tires on the 80s are basically 31". The 91-92 models had 235/75R15s and steel wheels with an optional 31x10.5 on 15x7 aluminum wheels. However, it is rare to find a 91-92 with the 235s/steel wheels in the US market.
93 and up use 16" rims, all aluminum as I can tell, with a metric 31" equivalent.
33" tires will fit with some rubbing stock; however a thinner tire would most likely be better without a lift. Most people lift the rigs about 2.5 for 33s. Personally, I'm running 31" with the 2.5" lift on my 92; but I've also taken engine (3FE) and gearing considerations into account.
Yes, you can use the stock rims for 33s, unless you get too wild and go with a 14" or wider tire...
I'm fairly certain that if I were to tell my lovely wife that I need to get 38's because "chicks dig 'em" she would "understand"
Please forgive me if I forego bringing up that perfectly sound reasoning. :
Cdan - time to grow some harries.
That logic should work well with her you don't think? Just imagine what she'll say when you tell her you want a snorkel. Chicks really dig those. .... or maybe it's just the chicks digging me and using the cruiser as an excuse? :