Need a 3" lift for my 1990 suburban, any advice? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-07-2000, 08:51 PM
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Need a 3\" lift for my 1990 suburban, any advice?

Im looking at tough country because of price and they are in my state of Utah, are they any good? Should I get heavy duty or e-z ride? Are their nitro shocks any good. What are the down sides to using blocks in the rear versus new springs? This is a strait axle not IFS. thanks...

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post #2 of (permalink) Old 10-07-2000, 10:08 PM
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Re: Need a 3\" lift for my 1990 suburban, any advice?

new rear springs are better than blocks.
the blocks sit on top of the axle, below the leaf springs. with that setup and any relatively small-medium-excessively huge block very little remains of the clamping force that keeps that unit from collapsing. Go with whatever size lift, and a shackle flip from Off Road Design in the rear. The shackle flip alone gives you 4 inches of lift in the rear. for more info about the shackle flip, see http://www.coloradoK5.com

post #3 of (permalink) Old 10-07-2000, 11:27 PM
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Re: Need a 3\" lift for my 1990 suburban, any advice?

Thanks for the reply, I'm really not sure I want a full 4" on this beast (Its my wife's daily driver) what is the max lift I can do without having to make drivetrain/stering modifications? Are 2.5 to 3" blocks really a problem?

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post #4 of (permalink) Old 10-07-2000, 11:37 PM
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Re: Need a 3\" lift for my 1990 suburban, any advice?

well here is a complete excerpt out of the new 4 Wheel & Off-Road magazine:
When a lift of more than 2 inches is installed, some effort must be made to improve steering geometry. Generally, lifts of 3-4 inches require a dropped pitman arm or a dropped drag link. Lifts of 5-6 inches require a raised steering arm block and perhaps a dropped drag link. Lifts of 8-10 inches require a dropped pitman arm and either a raised steering arm, a dropped drag link, or both. Lifts more than 10 inches often require some degree of custom work, such as a crossover steering setup to regain any type of steering feel and turning radius.
Me: blocks are used by many, i just like to be on the safer side of things.

post #5 of (permalink) Old 10-08-2000, 09:47 PM
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Re: Need a 3\" lift for my 1990 suburban, any advice?

ORD also makes a 2.5" shackle flip. Exactly what you need.
Oh yeah, and if it's your wife's daily driver, I'd recommend the EZ-Ride. Softer ride, I doubt she wants to drive a buckboard wagon around. Also flexes better.
Hope this helps.

1992 Blazer Sport, 350 TBI, Gibson 3" cat back, 4L60, K&N, Rancho 3" lift, 285/75R16's on 16x8 Bajas [img]/wwwthreads_images/icons/laugh.gif[/img]
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