front end dive
Senior User
Joined: Jul 2005
Posts: 393
Likes: 0
If it's 3-4" lower even stock height springs will bring you up 1.5-2"! The back is about 1.5"-2" taller then the front on a stock truck with no front spring sag.
Unfortunately, I am not sure where to get stock height springs... JC Whitney?
I honestly doubt its 3-4", unless there are some added leafs in the back leaf packs? Especially in a 150 with 4.9?
Here is what you do-
Measure the top of the front fender well to the ground. Write it down. Jack up the front of the truck until you get the truck where you want it or if you want it level, put a level on the bedside, and jack until it's level. Either way take the measurement, and you will know how much spring height you will need.
Get back to us, and we can help further.
Unfortunately, I am not sure where to get stock height springs... JC Whitney?
I honestly doubt its 3-4", unless there are some added leafs in the back leaf packs? Especially in a 150 with 4.9?
Here is what you do-
Measure the top of the front fender well to the ground. Write it down. Jack up the front of the truck until you get the truck where you want it or if you want it level, put a level on the bedside, and jack until it's level. Either way take the measurement, and you will know how much spring height you will need.
Get back to us, and we can help further.
Posting Guru
Joined: Nov 2003
Posts: 1,858
Likes: 1
From: Dark side of the sun.
My '89 sags in the front and the first 4 coils or so on the springs are together. And it's stock suspension from '89. I don't know how long springs and shocks are supposed to last but these have lasted a while.
Post Fiend
Joined: Oct 2003
Posts: 6,214
Likes: 13
From: New Jersey
Springs wear out eventually, especially with heavy loads, towing, and plowing.
Remember that in an unloaded truck, the front springs support most of the weight of the vehicle, as the engine, cab, etc, is all forward of the center point. The "pain" the front springs feel from bumps, potholes, off roading is much greater with that weight. The rear often just "hops" over such irregularities.
Anyway, you can get stock sized springs from JC Whitney, Autozone, Napa, and a variety of other places. The front springs were used from the mid 80's (when the flat-nose cab came out) all the way through 1996, so it's not that difficult to find new, or in a junkyard.
Remember that in an unloaded truck, the front springs support most of the weight of the vehicle, as the engine, cab, etc, is all forward of the center point. The "pain" the front springs feel from bumps, potholes, off roading is much greater with that weight. The rear often just "hops" over such irregularities.
Anyway, you can get stock sized springs from JC Whitney, Autozone, Napa, and a variety of other places. The front springs were used from the mid 80's (when the flat-nose cab came out) all the way through 1996, so it's not that difficult to find new, or in a junkyard.
Thread Starter
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Freshman User
Joined: Oct 2005
Posts: 43
Likes: 0
yes the rear has a helper spring on it...i measured from the top of the tire to the rear of the fender on both the front and rear to get the differance..i think new springs and new shocks should get it back where it needs to be..thanks for the advice guys.....
