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  #1 (permalink)  
Old 12-04-2002, 12:59 PM
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Post leaf springs?

I am wanting to remove the helper spring(the one not attached).sorry dont know the proper name for it. the vehicle is 1985 silverado slowly getting turned into STRIP/street truck. i need to know if this will help traction(weight transfer). it already has lowering shackles in the rear so it rides real stiff and does not hook for anything. is this a good idea and does anyone have any experience getting these trucks to hook.

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Old 12-04-2002, 10:19 PM
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First off I would like to say that trucks have crappy traction and are not suited well for drag racing... although some guys make it work...
Removing the insert leaf is probably not the best idea in my opionion since you still want to drive this thing on the street right?? also this would make your suspension kinda soft so yes it would weight transfer better. I am not sure how well it will make you hook up... maybe someone else can answer that..
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Old 12-05-2002, 06:55 AM
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i definatly agree that trucks are not the best vehicles for drag racing but then again neither is a pinto or vega or anyother converted vehicle. there is just something about being different and a full size truck eating up an 1/8 mile is impressive. we have a 1980 silverado at our track running 6.20s and he has no problems. whent to talk to him and it was a young arrogant kid who just told me how is truck was bad. i am only trying to get into the low eights nothing major but a good street truck.
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Old 12-05-2002, 10:43 PM
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Yeah.. there is the odd nice truck that can go fast but I have seen tooo many guys who think their trucks are fast and have tons of power cuz they can spin and do donuts (of course I could too if I pulled every heavy thing off the back of my car) but when you are just playing around they can't keepup.

Damn red neck alberta!
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Old 12-06-2002, 06:55 AM
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I am working in a tire shop to get through college and i have been drag racing for 3 years now so i am particulary impressed with wheel. two expensive and to time consuming. that is why i am trying to get the truck to hook. watch the redneck jokes i live in alabama.j/k.

Tony
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Old 12-06-2002, 08:32 AM
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by the way my truck ways 3,400lbs and the weight distribution is 2,200lbs front and 1,200lbs rear. so as far as the comments about no weight on the rear their just plain wrong. if you took a typical car that weighs 2,500 to 3,000lbs you are still looking at that figure or less. since no muscle car has 50/50 weight distribution i find it hard(impossible) to believe that your cars have so much more weight on the rear tires.
now i do agree that the weight distribution is better on a car, so when i set the stance on my truck i put a very slight lean toward the rear of the truck to help compensate for this. i do appreciate the replies but i would like to keep them more less about the original post. a question about leaf springs shouldn't get replies about trucks being crappy for drag racing and people running them being rednecks.
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Old 12-06-2002, 08:56 AM
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Back to your question....I think that you shouldn't take any leaves out. If it is too soft, the energy of the weight transfer will go into pushing the body and frame down rather than pushing the tires into the ground.
I took some leaves out of my stude and it gets wheel hop like a mother....
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Old 12-06-2002, 11:18 AM
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[quote]i do appreciate the replies but i would like to keep them more less about the original post. a question about leaf springs shouldn't get replies about trucks being crappy for drag racing and people running them being rednecks.<hr></blockquote>

The man has made a very good point...
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Old 12-06-2002, 11:48 AM
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[quote]I am wanting to remove the helper spring(the one not attached).<hr></blockquote>

Yes...this is an overload spring and will keep the rear of the truck from squatting properly to transfer body weight.

It sounds like you are experiencing spring wrap-up. At the least you will need a quality set of slapper bars (with the rubber snubber contacting the front spring eye). These are adjustible...so you may have to work with them. Clamp the spring leaves together (Lakewood) and use the heaviest rear shock (50/50) that you can find. A pinion snubber will help also. And all of this is assuming the spring bushings are in good shape. Are there rubber liners between the leafs? They have to go.

Depending on the amount of power the engine will produce, you may have to go to a four link for better weight transfer.

Of course...this means you will have to be careful when you haul firewood...

BTW...I am a Redneck also and proud of it...
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Old 12-06-2002, 03:06 PM
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hey thanks for the support guys. these are the kind of responses i was looking for. kultulz what do you mean by slapper bars are they traction bars or something a little different. when you say at the eye do you mean at the front shackle. the bushings on the truck are good and it doesn't have any rubber liners on it. the motor is going to be somewhere around 350+ h.p. and 400+ t.q. it will also have a set of 28 by 12 slicks. the most the truck will haul is a four wheeler and a good size buck(redneck sport) and maybe a small boat. would air shocks work i know you have to adjust them alot but i do not mind the work. then i could set them for street, strip, or tow. thanks for the help

[ December 06, 2002: Message edited by: tonylsg ]

[ December 06, 2002: Message edited by: tonylsg ]</p>
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Old 12-06-2002, 07:02 PM
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[quote]Originally posted by tonylsg:


kultulz what do you mean by slapper bars are they traction bars or something a little different. when you say at the eye do you mean at the front shackle.<hr></blockquote>

Yes...traction bars. Most don't hit the front spring hanger, but rather the leaf directly behind it, actually causing spring rapup. The rubber snubs are adjustible via spacers to get the bars to limit spring movement as you desire.

[quote]the most the truck will haul is a four wheeler and a good size buck(redneck sport) and maybe a small boat. would air shocks work i know you have to adjust them alot but i do not mind the work. then i could set them for street, strip, or tow.<hr></blockquote>

So it is going to be used for multi-use. In that case, air shocks might be an option. Set them with different fill kits so that you can pre-load the chassis at the track.

You might also consider <a href="http://www.activesuspension.com/" target="_blank">-this system-</a> if you are planning towing or carrying weight.

[ December 06, 2002: Message edited by: KULTULZ ]</p>
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Old 12-07-2002, 04:01 PM
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that system looks good. ever had any experience with it or know someone who has. i am kinda concerned that there are no prices listed on the site. i wonder how much it costs.
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Old 12-07-2002, 06:41 PM
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I have a set on my E-350 tool truck. I bought it to keep the rear from sagging. But it is also useful for preventing spring wrapup.

I think I spent just over one hundred dollars for mine. They have a contact number. They want to get the exact application before selling you one.
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Old 12-07-2002, 08:31 PM
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Hey sorry if I offened you... just a side note....

Anyways If I were you I would get thet traction bars.... Also I am wondering... does anyone know what different shocks in the front would do on his truck.. wouldn't it allow for the front end springs to decompress and the front to lift from the wheels a bit therefore shifting some weight to the back???

[ December 07, 2002: Message edited by: stonedchihuahua ]</p>
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Old 12-08-2002, 02:05 AM
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Yes...he could install a lighter spring...90/10 shocks and remove the sway bar for quicker weight transfer, but the trick is...this is a street driven truck and you have to make compromises.
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