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Difference Between 5.0 GT and Boss 302?

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Old 7/20/12, 10:25 AM   #1
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Difference Between 5.0 GT and Boss 302?

Ok, so I'm new to the Mustang in general so please bear with me. If I have a GT Premium with the Brembo break package, what is the difference between that and the Boss 302? Is it just the intake and possibly exhaust, or is there more?

Thanks!
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Old 7/20/12, 10:43 AM   #2
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By the sails of the Beagle, they're BRAKES; everybody out there listening, a break is something you take from work, BRAKES stop car.

Anyway, the B302 is vastly different. rotating assembly in the engine, intake, engine tuning, suspension, bracing, rear end (if you buy the Torsen). The brakes on the B302 are the same mechanically as the Brembos on our cars, I believe.

I liked the B302 alot but the price point was crazy and the road race ride quality on the bombed out roads around here made my go BBP on a '12 GT.
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Old 7/20/12, 11:19 AM   #3
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Quote:
Originally Posted by 5LHO View Post
By the sails of the Beagle, they're BRAKES; everybody out there listening, a break is something you take from work, BRAKES stop car.

Anyway, the B302 is vastly different. rotating assembly in the engine, intake, engine tuning, suspension, bracing, rear end (if you buy the Torsen). The brakes on the B302 are the same mechanically as the Brembos on our cars, I believe.

I liked the B302 alot but the price point was crazy and the road race ride quality on the bombed out roads around here made my go BBP on a '12 GT.
I was taking a break from work when I wrote the post so that's my excuse to typing break instead of brake....

Anyway, thanks. I was thinking there was something more than an intake and exhaust mod to get there. I just curious...
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Old 7/20/12, 12:08 PM   #4
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Information taken from Bossmustangsonline.:
Here is a summary of upgrades/changes from the GT for the 2012 Boss 302:

Powertrain
Boss 302R Intake
Forged Pistons
Upgraded Con-Rods
Race-Spec Main and Rod Bearings
Larger Sodium Filled Exhaust Valves
Hi-Lift Exhaust Cams
7500 RPM Limit
CNC’d Heads
Oil Cooler
Larger Radiator
Revised Radiator Plumbing
Revised Oil Pan Baffling
Race Inspired Clutch
3.73 Axle Ratio
Finned Aluminum Diff Cover
Limited Slip Diff with carbon fiber plates (Torsen Limited Slip Available)
Quad Exhaust
Suspension
Higher Rate Springs (lowered 11MM front – 1MM rear)
Adjustable Struts/Shocks
25MM Rear Anti-roll bar (GT is 24MM)
Tuned Electronic Steering with 3 Settings
Unique traction control system settings
Unique electronic stability control settings
TracKey - Additional Key that enables the PCM setting of the 302R (dealer flash required)

Body
Black or White Roof Panel and Coordinated C-Stripe
Unique Front Facia with Blocked off Fog Lamps and Splitter
Small Rear Spoiler

Interior
Alcantara Steering Wheel
Unique Shift ****
Unique Cloth Seats (Recaros available)
Cloth Door Panel Insert
Dark Metallic Instrument Panel Finish
Unique Guages
Unique Door Sill
11 Pounds of Sound Deadening Removed
Brakes, Wheels and Tires
Brembo 14 inch vented discs front
Boss specific rear compounds pads rear
Vented Brake Shields
Unique ABS tuning
Reinforced Brake Lines
Lightweight 19X9 and 19X9.5 Wheels
Pirelli P-Zero Tires 255/40/ZR19 Front 285/35/ZR19 Rear

Laguna Seca Package
Available in Black or Silver with Red Accents
Rear Seat Delete
Standard Recaro Seats
Rear Body Stiffening X-Brace
Softer Front and Firmer Rear Springs
Stiffer Damper Settings
Larger 26MM Rear Anti-Roll Bar
Unique 19x9 Front and 19x10 Rear wheels
Pirelli Corsa Tires 255/40/ZR19 Front and 285/35/ZR19 Rear
Larger Front Splitter
Pedestal Rear Spoiler
Brake Ducts
Torsen Diff Standard
Auxiliary Gauge Package with Oil/Water Temp and Lap Timer
Unique Laguna Seca rear medallian
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Old 7/20/12, 01:48 PM   #5
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Yeah
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Old 7/20/12, 01:48 PM   #6
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Old 7/20/12, 01:54 PM   #7
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Its just a sticker package that's different
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Old 7/20/12, 05:10 PM   #8
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Quote:
Originally Posted by UnrealFord View Post
Information taken from Bossmustangsonline.:
Here is a summary of upgrades/changes from the GT for the 2012 Boss 302:

Powertrain
Boss 302R Intake
Forged Pistons
Upgraded Con-Rods
Race-Spec Main and Rod Bearings
Larger Sodium Filled Exhaust Valves
Hi-Lift Exhaust Cams
7500 RPM Limit
CNC’d Heads
Oil Cooler
Larger Radiator
Revised Radiator Plumbing
Revised Oil Pan Baffling
Race Inspired Clutch
3.73 Axle Ratio
Finned Aluminum Diff Cover
Limited Slip Diff with carbon fiber plates (Torsen Limited Slip Available)
Quad Exhaust
Suspension
Higher Rate Springs (lowered 11MM front – 1MM rear)
Adjustable Struts/Shocks
25MM Rear Anti-roll bar (GT is 24MM)
Tuned Electronic Steering with 3 Settings
Unique traction control system settings
Unique electronic stability control settings
TracKey - Additional Key that enables the PCM setting of the 302R (dealer flash required)

Body
Black or White Roof Panel and Coordinated C-Stripe
Unique Front Facia with Blocked off Fog Lamps and Splitter
Small Rear Spoiler

Interior
Alcantara Steering Wheel
Unique Shift ****
Unique Cloth Seats (Recaros available)
Cloth Door Panel Insert
Dark Metallic Instrument Panel Finish
Unique Guages
Unique Door Sill
11 Pounds of Sound Deadening Removed
Brakes, Wheels and Tires
Brembo 14 inch vented discs front
Boss specific rear compounds pads rear
Vented Brake Shields
Unique ABS tuning
Reinforced Brake Lines
Lightweight 19X9 and 19X9.5 Wheels
Pirelli P-Zero Tires 255/40/ZR19 Front 285/35/ZR19 Rear

Laguna Seca Package
Available in Black or Silver with Red Accents
Rear Seat Delete
Standard Recaro Seats
Rear Body Stiffening X-Brace
Softer Front and Firmer Rear Springs
Stiffer Damper Settings
Larger 26MM Rear Anti-Roll Bar
Unique 19x9 Front and 19x10 Rear wheels
Pirelli Corsa Tires 255/40/ZR19 Front and 285/35/ZR19 Rear
Larger Front Splitter
Pedestal Rear Spoiler
Brake Ducts
Torsen Diff Standard
Auxiliary Gauge Package with Oil/Water Temp and Lap Timer
Unique Laguna Seca rear medallian
In addition to this list:
The Heads are different castings than the GT heads, made of a higher strength alloy, CNC'd and reinforced in key areas to address the higher valve spring pressures associated with 7500 RPM redline.
High RPM alternator kit with reduced RPM pulleys
Heavy duty spring seat
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Old 7/20/12, 08:55 PM   #9
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Quote:
Originally Posted by 5LHO View Post
I liked the B302 alot but the price point was crazy and the road race ride quality on the bombed out roads around here made my go BBP on a '12 GT.
The ride on my Boss is perfectly fine, even on the back roads. On setting 5 yeah, its a bit rough, but on 1 its nice and smooth enough for me.
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Old 7/20/12, 09:49 PM   #10
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The differences are real..but the question is if the difference justifies the price. My 2011 300A car with Brembos stickered for $10k less than a no-option Boss....yes, that's $10,000 for a car that is very close in any performance measure except exclusivity...and many of the Boss goodies can be added to the GT later anyway.

I would have loved to get a Boss instead of course but there is nothng at all wrong a GT and it's an undeniably better performance bargain.

I'm envious of the Boss guys but I'm certan I made the right move for my budget.
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Old 7/21/12, 10:15 AM   #11
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Yeppers on the performance bargain of a Brembo, 3.73, '12 GT. You can't beat the hit for the money that costs. Plus, when I say bombed-out around here, I mean hills, driveways and speed humps that would hang up a car like the Boss everyday. the splitter wouldn't last a week. The Brembo car is already pushing it.

Other concerns I'd have are actually around the exclusivity piece. It's a car and I intend to drive it. I don't want the worry about a special car with a special paint job and special parts getting damaged, etc. There'll always be bits easily and quickly available for a Mustang GT. Won't have to order in that special Boss-only piece. I also wanted alot of comfort and convenience stuff I couldn't get on the Boss. There's a nice DIB '12 Boss up the road from my house and, I like looking at it but, that's it. I don't really feel inadequate when I drive by in my RC '12.

I did put the LS trans scoop on my car though, felt that was a worthwhile addition since Furd needed a do-over on assembly of my MT-82.

Last edited by 5LHO; 7/21/12 at 10:17 AM.
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Old 7/21/12, 10:35 AM   #12
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Quote:
Originally Posted by The Dude View Post
Ok, so I'm new to the Mustang in general so please bear with me. If I have a GT Premium with the Brembo break package, what is the difference between that and the Boss 302? Is it just the intake and possibly exhaust, or is there more?

Thanks!
I had to make the Boss vs GT decision recently. The replies in this thread were helpful:
http://forums.themustangsource.com/f...t-boss-510970/

Good luck.
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