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Advice please: '90 YJ Conversion
Hello,
Can anyone point me in the direction of a complete conversion guide for a '90 YJ? I'm kind of new to it all, but I'm hoping to upgrade the following, along with anything else required to do so: -locking differentials (do I need these for both front and rear?), also probably axle upgrades. -40-42'' tires (Was looking at super swampers, but I might be on pavement too much to make them worthwhile), along with enough of a suspension lift. I get lost here, because the guides I usually see are for a maximum of 35" tires (are there laws against larger tires on the road?). -I have a freshly rebuilt stock engine (4.2L straight 6) right now, and I think I want to keep it. (I saw somewhere online that someone got away with 42"s and the stock 4.2). -I'm pretty sure my transmission is stock, would it need to be upgraded to handle the torque requirements of larger tires? I plan on using my rig mostly on desert/rocky trails and pavement, not so much for snow, and rain isn't much of an issue. I realize I'm a total newbie, but you've gotta start somewhere. All help is VERY greatly appreciated! Thanks! -Garrett |
Re: Advice please: '90 YJ Conversion
Tires that big on a Wrangler will require MAJOR suspension work and a
lot of fender cutting. Even 35-37" tires take quite a bit of work. If you are a total newbie to lifts in general, this might not be a good undertaking as your first lift project. That said, a spring over axle (SOA) conversion is the easiest way to get the lift you need, but there are drawbacks. You would probably need some lift built in to the springs in addition to the SOA conversion. SOA conversions also have the drawback of axle twist. My suggestion is that if you want to have this much lift is to Goggle SOA conversions and read up on them. There is quite a bit of info on the net. Chris Garrett wrote: > Hello, > Can anyone point me in the direction of a complete conversion guide > for a '90 YJ? > I'm kind of new to it all, but I'm hoping to upgrade the following, > along with anything else required to do so: > > -locking differentials (do I need these for both front and rear?), > also probably axle upgrades. > > -40-42'' tires (Was looking at super swampers, but I might be on > pavement too much to make them worthwhile), along with enough of a > suspension lift. I get lost here, because the guides I usually see > are for a maximum of 35" tires (are there laws against larger tires on > the road?). > > -I have a freshly rebuilt stock engine (4.2L straight 6) right now, > and I think I want to keep it. (I saw somewhere online that someone > got away with 42"s and the stock 4.2). > > -I'm pretty sure my transmission is stock, would it need to be > upgraded to handle the torque requirements of larger tires? > > I plan on using my rig mostly on desert/rocky trails and pavement, not > so much for snow, and rain isn't much of an issue. > > I realize I'm a total newbie, but you've gotta start somewhere. All > help is VERY greatly appreciated! > > Thanks! > -Garrett > |
Re: Advice please: '90 YJ Conversion
Tires that big on a Wrangler will require MAJOR suspension work and a
lot of fender cutting. Even 35-37" tires take quite a bit of work. If you are a total newbie to lifts in general, this might not be a good undertaking as your first lift project. That said, a spring over axle (SOA) conversion is the easiest way to get the lift you need, but there are drawbacks. You would probably need some lift built in to the springs in addition to the SOA conversion. SOA conversions also have the drawback of axle twist. My suggestion is that if you want to have this much lift is to Goggle SOA conversions and read up on them. There is quite a bit of info on the net. Chris Garrett wrote: > Hello, > Can anyone point me in the direction of a complete conversion guide > for a '90 YJ? > I'm kind of new to it all, but I'm hoping to upgrade the following, > along with anything else required to do so: > > -locking differentials (do I need these for both front and rear?), > also probably axle upgrades. > > -40-42'' tires (Was looking at super swampers, but I might be on > pavement too much to make them worthwhile), along with enough of a > suspension lift. I get lost here, because the guides I usually see > are for a maximum of 35" tires (are there laws against larger tires on > the road?). > > -I have a freshly rebuilt stock engine (4.2L straight 6) right now, > and I think I want to keep it. (I saw somewhere online that someone > got away with 42"s and the stock 4.2). > > -I'm pretty sure my transmission is stock, would it need to be > upgraded to handle the torque requirements of larger tires? > > I plan on using my rig mostly on desert/rocky trails and pavement, not > so much for snow, and rain isn't much of an issue. > > I realize I'm a total newbie, but you've gotta start somewhere. All > help is VERY greatly appreciated! > > Thanks! > -Garrett > |
Re: Advice please: '90 YJ Conversion
Tires that big on a Wrangler will require MAJOR suspension work and a
lot of fender cutting. Even 35-37" tires take quite a bit of work. If you are a total newbie to lifts in general, this might not be a good undertaking as your first lift project. That said, a spring over axle (SOA) conversion is the easiest way to get the lift you need, but there are drawbacks. You would probably need some lift built in to the springs in addition to the SOA conversion. SOA conversions also have the drawback of axle twist. My suggestion is that if you want to have this much lift is to Goggle SOA conversions and read up on them. There is quite a bit of info on the net. Chris Garrett wrote: > Hello, > Can anyone point me in the direction of a complete conversion guide > for a '90 YJ? > I'm kind of new to it all, but I'm hoping to upgrade the following, > along with anything else required to do so: > > -locking differentials (do I need these for both front and rear?), > also probably axle upgrades. > > -40-42'' tires (Was looking at super swampers, but I might be on > pavement too much to make them worthwhile), along with enough of a > suspension lift. I get lost here, because the guides I usually see > are for a maximum of 35" tires (are there laws against larger tires on > the road?). > > -I have a freshly rebuilt stock engine (4.2L straight 6) right now, > and I think I want to keep it. (I saw somewhere online that someone > got away with 42"s and the stock 4.2). > > -I'm pretty sure my transmission is stock, would it need to be > upgraded to handle the torque requirements of larger tires? > > I plan on using my rig mostly on desert/rocky trails and pavement, not > so much for snow, and rain isn't much of an issue. > > I realize I'm a total newbie, but you've gotta start somewhere. All > help is VERY greatly appreciated! > > Thanks! > -Garrett > |
Re: Advice please: '90 YJ Conversion
Tires that big on a Wrangler will require MAJOR suspension work and a
lot of fender cutting. Even 35-37" tires take quite a bit of work. If you are a total newbie to lifts in general, this might not be a good undertaking as your first lift project. That said, a spring over axle (SOA) conversion is the easiest way to get the lift you need, but there are drawbacks. You would probably need some lift built in to the springs in addition to the SOA conversion. SOA conversions also have the drawback of axle twist. My suggestion is that if you want to have this much lift is to Goggle SOA conversions and read up on them. There is quite a bit of info on the net. Chris Garrett wrote: > Hello, > Can anyone point me in the direction of a complete conversion guide > for a '90 YJ? > I'm kind of new to it all, but I'm hoping to upgrade the following, > along with anything else required to do so: > > -locking differentials (do I need these for both front and rear?), > also probably axle upgrades. > > -40-42'' tires (Was looking at super swampers, but I might be on > pavement too much to make them worthwhile), along with enough of a > suspension lift. I get lost here, because the guides I usually see > are for a maximum of 35" tires (are there laws against larger tires on > the road?). > > -I have a freshly rebuilt stock engine (4.2L straight 6) right now, > and I think I want to keep it. (I saw somewhere online that someone > got away with 42"s and the stock 4.2). > > -I'm pretty sure my transmission is stock, would it need to be > upgraded to handle the torque requirements of larger tires? > > I plan on using my rig mostly on desert/rocky trails and pavement, not > so much for snow, and rain isn't much of an issue. > > I realize I'm a total newbie, but you've gotta start somewhere. All > help is VERY greatly appreciated! > > Thanks! > -Garrett > |
Re: Re: Advice please: '90 YJ Conversion
On Sun, 26 Aug 2007 05:58:38 -0500, c <c@me.org> wrote:
>Tires that big on a Wrangler will require MAJOR suspension work and a >lot of fender cutting. Even 35-37" tires take quite a bit of work. If >you are a total newbie to lifts in general, this might not be a good >undertaking as your first lift project. > >That said, a spring over axle (SOA) conversion is the easiest way to get >the lift you need, but there are drawbacks. You would probably need some >lift built in to the springs in addition to the SOA conversion. SOA >conversions also have the drawback of axle twist. My suggestion is that >if you want to have this much lift is to Goggle SOA conversions and read >up on them. There is quite a bit of info on the net. He will have doe very major issues. Beside clearance there will be spring wrap up as stated, (really needs a 4 link setup) a need for much larger/stronger drive axle assemblies (even D60's front and rear would be a bit light for this). Then there will be drive shaft angle problems and you will need axle ratios of at least 5.38 to 1 or deeper too. This is not to say it cannot be done but it is to say it will be no easy task ----------------- TheSnoMan.com |
Re: Re: Advice please: '90 YJ Conversion
On Sun, 26 Aug 2007 05:58:38 -0500, c <c@me.org> wrote:
>Tires that big on a Wrangler will require MAJOR suspension work and a >lot of fender cutting. Even 35-37" tires take quite a bit of work. If >you are a total newbie to lifts in general, this might not be a good >undertaking as your first lift project. > >That said, a spring over axle (SOA) conversion is the easiest way to get >the lift you need, but there are drawbacks. You would probably need some >lift built in to the springs in addition to the SOA conversion. SOA >conversions also have the drawback of axle twist. My suggestion is that >if you want to have this much lift is to Goggle SOA conversions and read >up on them. There is quite a bit of info on the net. He will have doe very major issues. Beside clearance there will be spring wrap up as stated, (really needs a 4 link setup) a need for much larger/stronger drive axle assemblies (even D60's front and rear would be a bit light for this). Then there will be drive shaft angle problems and you will need axle ratios of at least 5.38 to 1 or deeper too. This is not to say it cannot be done but it is to say it will be no easy task ----------------- TheSnoMan.com |
Re: Re: Advice please: '90 YJ Conversion
On Sun, 26 Aug 2007 05:58:38 -0500, c <c@me.org> wrote:
>Tires that big on a Wrangler will require MAJOR suspension work and a >lot of fender cutting. Even 35-37" tires take quite a bit of work. If >you are a total newbie to lifts in general, this might not be a good >undertaking as your first lift project. > >That said, a spring over axle (SOA) conversion is the easiest way to get >the lift you need, but there are drawbacks. You would probably need some >lift built in to the springs in addition to the SOA conversion. SOA >conversions also have the drawback of axle twist. My suggestion is that >if you want to have this much lift is to Goggle SOA conversions and read >up on them. There is quite a bit of info on the net. He will have doe very major issues. Beside clearance there will be spring wrap up as stated, (really needs a 4 link setup) a need for much larger/stronger drive axle assemblies (even D60's front and rear would be a bit light for this). Then there will be drive shaft angle problems and you will need axle ratios of at least 5.38 to 1 or deeper too. This is not to say it cannot be done but it is to say it will be no easy task ----------------- TheSnoMan.com |
Re: Re: Advice please: '90 YJ Conversion
On Sun, 26 Aug 2007 05:58:38 -0500, c <c@me.org> wrote:
>Tires that big on a Wrangler will require MAJOR suspension work and a >lot of fender cutting. Even 35-37" tires take quite a bit of work. If >you are a total newbie to lifts in general, this might not be a good >undertaking as your first lift project. > >That said, a spring over axle (SOA) conversion is the easiest way to get >the lift you need, but there are drawbacks. You would probably need some >lift built in to the springs in addition to the SOA conversion. SOA >conversions also have the drawback of axle twist. My suggestion is that >if you want to have this much lift is to Goggle SOA conversions and read >up on them. There is quite a bit of info on the net. He will have doe very major issues. Beside clearance there will be spring wrap up as stated, (really needs a 4 link setup) a need for much larger/stronger drive axle assemblies (even D60's front and rear would be a bit light for this). Then there will be drive shaft angle problems and you will need axle ratios of at least 5.38 to 1 or deeper too. This is not to say it cannot be done but it is to say it will be no easy task ----------------- TheSnoMan.com |
Re: Advice please: '90 YJ Conversion
Agreed, not only will it take major suspension work, you will have to pretty
much completely replace your driveline with (at minimum) 1-ton axles, heavy-duty transfer case/transmission, driveshafts, etc. I think you may have the Pugeot trans, it's not even adequate for a stock application, never mind 42's. You're talking about serious coin and serious work. "c" <c@me.org> wrote in message news:46d15ceb$0$16520$4c368faf@roadrunner.com... > Tires that big on a Wrangler will require MAJOR suspension work and a lot > of fender cutting. Even 35-37" tires take quite a bit of work. If you are > a total newbie to lifts in general, this might not be a good undertaking > as your first lift project. > > That said, a spring over axle (SOA) conversion is the easiest way to get > the lift you need, but there are drawbacks. You would probably need some > lift built in to the springs in addition to the SOA conversion. SOA > conversions also have the drawback of axle twist. My suggestion is that if > you want to have this much lift is to Goggle SOA conversions and read up > on them. There is quite a bit of info on the net. > > Chris > > > Garrett wrote: >> Hello, >> Can anyone point me in the direction of a complete conversion guide >> for a '90 YJ? >> I'm kind of new to it all, but I'm hoping to upgrade the following, >> along with anything else required to do so: >> >> -locking differentials (do I need these for both front and rear?), >> also probably axle upgrades. >> >> -40-42'' tires (Was looking at super swampers, but I might be on >> pavement too much to make them worthwhile), along with enough of a >> suspension lift. I get lost here, because the guides I usually see >> are for a maximum of 35" tires (are there laws against larger tires on >> the road?). >> >> -I have a freshly rebuilt stock engine (4.2L straight 6) right now, >> and I think I want to keep it. (I saw somewhere online that someone >> got away with 42"s and the stock 4.2). >> >> -I'm pretty sure my transmission is stock, would it need to be >> upgraded to handle the torque requirements of larger tires? >> >> I plan on using my rig mostly on desert/rocky trails and pavement, not >> so much for snow, and rain isn't much of an issue. >> >> I realize I'm a total newbie, but you've gotta start somewhere. All >> help is VERY greatly appreciated! >> >> Thanks! >> -Garrett >> |
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