Hieght Difference - Mustang Evolution

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Old 07-15-2013, 01:14 PM   #1
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Hieght Difference

What is the difference in hieght between a gt and a boss 302?
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Old 07-15-2013, 01:26 PM   #2
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2013 Ford Mustang | View Exterior Specifications | Ford.com

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Old 07-15-2013, 01:28 PM   #3
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you could find more than half of what you ask on google lol. not being a dick just sayin!
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Old 07-15-2013, 03:11 PM   #4
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Originally Posted by acornsmoke View Post
you could find more than half of what you ask on google lol. not being a dick just sayin!
What i found out before was that it was one inch
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Old 07-15-2013, 05:30 PM   #5
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? where do it say there

---------- Post added at 04:30 PM ---------- Previous post was at 04:28 PM ----------

Well i wrote more just realized half that stuff I wrote are not in the first post, I need to know the differene in hieght from the ground to the splitter difference between boss and a gt
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Old 07-15-2013, 08:11 PM   #6
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The front bumpers are the same, the splitters are different but not much in thickness so I'd say half an inch with the GT being taller
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Old 07-17-2013, 01:41 PM   #7
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Originally Posted by KARgt13 View Post
The front bumpers are the same, the splitters are different but not much in thickness so I'd say half an inch with the GT being taller
You were right!

So here's the duffmod for springs...Boss front springs and top coil removed from rear springs on Brembo GT. Best compomise and cost.

I swapped the front springs on my '12 brembo gt with those from the regular boss (not LS!) and it lowered the front exactly 1/2" and increased neg camber slightly (along with about +12% rate). For the rear, I calculated the spring rate of the brembo gt spring if one coil were removed and if you assume the top coil is of the average mean diameter (which it is not), the rate comes out the same (within 4lbs/in) as the regular boss rear spring (not LS!) . However, the cut brembo spring actually ends up a little softer in rate than the boss rear spring (because the top coil has different mean diameter)and also lowers the rear a little more than the boss springs would but still keeps a very slight forward rake on the car. These are probably the stiffest springs you could get away with without replacing the stock dampers. Also, I did not need an alignment correction or adj phb with my mod.

The comments in other threads about staggered tire size and balance are more applicable to cars lowered 1" or more due to change in front roll center height and camber (gain front traction) as well as change in antisquat of the rear (lose rear traction). And syiffer frony rayes work better when defeating the stability control. Oh, remember that the boss mustangs increased rear stabar size with the increase in rear tire width (I retained my rear stabar). In this case, with just 1/2" drop in front and 3/4" rear, the main reason for not using the boss rear springs was just slightly better match to the dampers. Btw if/when I eventually add anti-squat brackets I will probably put the boss rear springs in.

I would recommend my mod to anyone who doesn't want to lower their car much or spend s lot of money to do it. This based on street evaluation since I haven't taken it on the roadcourse or autox in this form as of yet. The FRPP and Steeda springs are great but require new dampers unless you have a boss to start with...and likely an adj phb and alignment. So do my mod for now and then save up for new dampers if you still want to go further with suspension mods.

Just wanted to share my experience and opinion regarding this, even though it does not consider the koni sports. Hope it helps someone.

Boss Springs and Koni Sports - The Mustang Source - Ford Mustang Forums
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Old 07-17-2013, 01:52 PM   #8
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So let me get this straight, you cut a coil out of boss springs and put them in your car?
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Old 07-17-2013, 03:08 PM   #9
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Originally Posted by DWC_SmOziLLa View Post
So let me get this straight, you cut a coil out of boss springs and put them in your car?
I haven't put anything as of yet, i have p springs (which lower 1" all around) and if i drop the front ill be at 4" on the sides, 3.1/4" in the middle from my splitter to the floor.

Now purchasing brand new boss non racing front springs supposedly drop 1/2" and are $48 for both, meaning ill be sitting a lil higher for better clearance

And no CUTTING IS DONE
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