GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

yall think a drop will help my 1/4 mile times??

Old Nov 22, 2009 | 03:43 PM
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Originally Posted by 05GTO6SPEED
well there might be less wind Resistance. mine has a lot less body roll but i just de-cranked the T-Bars and removed the blocks

How do you de-crank the T-bars and were are the blocks located at???? How much did it drop????
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Old Nov 22, 2009 | 08:58 PM
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Originally Posted by TXsilverado
shackle hanger drops change the geometry of the rear end. springs up front change how it will transfer weight. the shock angles change...they usually just dont transfer weight as well. especially the ecsb and ccsb's.

blue cajun took his drop off to gain traction. from what ive seen it works. i did a flip kit on the rear instead of hangers/shackles and so far ive seen results. now i just gotta figure out what to do with my rear shocks and front springs.
My 4/6 drop has produced consistent 1.67/1.66 60's so far. When I was stock ride height I only got in the 1.6's once. However, I'm running QA-1's and relocated rear shocks. Check out my suspension thread in the projects section for more details.

A dropped truck that has suspension that works compared to a stock ride height truck with a suspension that works, both in identical conditions...the dropped truck would more than likely out run the stock ride height truck do to aerodynamics. Just my .02.
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Old Nov 22, 2009 | 10:29 PM
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all i did was decrank the tbars and remove the blocks, some trucks dont have t bars though
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Old Nov 22, 2009 | 10:43 PM
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the t-bars are the torsion keys right??
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Old Nov 23, 2009 | 06:49 AM
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The keys are what's actually on the rear end of the bars, that contact the adjuster bolts... Can't really have one and not the other. Setting a truck up for optimal performance at the track requires you to look at every corner of the suspension... There's lots going on that needs to be taken into consideration. Spring rates, shocks, placement, preload etc...

And yes, you do have springs on your truck, they're just in the form of torsion bars, not coil springs. They do the same thing.
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Old Nov 23, 2009 | 09:51 AM
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well idk how to start on this truck with the suspension....
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Old Nov 23, 2009 | 11:19 AM
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my SS went from 15.3 mpg to 15.8 after the drop and i havent reset it. so every couple days its goes up another point or so.
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Old Nov 23, 2009 | 01:50 PM
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Originally Posted by BadAssChevy327
my SS went from 15.3 mpg to 15.8 after the drop and i havent reset it. so every couple days its goes up another point or so.
What did you use to drop it???? How does it drive??? Can you put some pics???
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Old Nov 23, 2009 | 09:25 PM
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after lowering the t-bars and removing the blocks plus a 2" drop shackles should i have to do anything else to the truck for it to drive ok besides an alignment?
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Old Nov 29, 2009 | 07:34 PM
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Originally Posted by lablackbeast
What did you use to drop it???? How does it drive??? Can you put some pics???
after a couple more days it went to 16.1. i have so many miles on it since i reset it that it takes awhile to show a improvement in mpg.

i did mc shackle and hanger, clamped overload. then mc 2inch spindles. with eibach lowering keys to make it sit just right ( my truck sat level factory, so it sat bulldog bad when i did the normal 2/4 kit). also it went into factory specs on allignment but right on the edge for camber. so im gonna order that 1 degree camber bolt and be good to go. heres some phone pics



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