Brakes
Emerson's right, All Ive heard so far is how the GXP brakes don't last. Look (search) there are several threads about premature brake wear for the GXP, but they look good! Personally when its time for breaks for my Monte I will get some drilled & slotted rotors myself, just to give me that look the GXP's have, and I'll prolly paint the calipers too.
TECH Enthusiast
Joined: Oct 2008
Posts: 593
Likes: 0
From: Rochester, NY
LOL
From Car and Driver Reviews
Impala SS
Article Link
Braking, 70-0 mph: 172 ft
Roadholding, 300-ft-dia skidpad: 0.81 g
Grand Prix GXP
Article Link
Braking, 70-0 mph: 174 ft
Roadholding, 300-ft-dia skidpad: 0.82 g
Well the numbers don't lie. Read the articles though, some neat insight and differences between the two that I didn't know before. i.e. The impala SS has a shorter final drive than the gxp.
From Car and Driver Reviews
Impala SS
Article Link
Braking, 70-0 mph: 172 ft
Roadholding, 300-ft-dia skidpad: 0.81 g
Grand Prix GXP
Article Link
Braking, 70-0 mph: 174 ft
Roadholding, 300-ft-dia skidpad: 0.82 g
Well the numbers don't lie. Read the articles though, some neat insight and differences between the two that I didn't know before. i.e. The impala SS has a shorter final drive than the gxp.
TECH Enthusiast
Joined: Nov 2008
Posts: 622
Likes: 1
The Impalas and montes (SS) do not have generic brakes:
Here is the quote from, GM Performance Parts catalog 2008 page, 369
K. 12498644
High-Performance Front Brake Upgrade Kit
• Attain increased braking performance with 12" vented
disc rotors and high-performance brake pads
• Includes rotors, caliper mounting brackets, pads
and bushings
Monte Carlo and Impala models already have this
system installed as standard production. Will not
fit stock Grand Prix “crosslace” wheels and spare
tire may not fit. Heat generated by performance
brake pads can cause rotor warping if not allowed
to cool sufficiently between severe uses.
L. 12498646
Heavy-Duty Front Brake Caliper Brackets
• Same brackets used in brake kit P/N 12498644
(see above)
• Includes brackets, bushings and pins
• Rotors equivalent to P/N 12498647 must be used
Here is the quote from, GM Performance Parts catalog 2008 page, 369
K. 12498644
High-Performance Front Brake Upgrade Kit
• Attain increased braking performance with 12" vented
disc rotors and high-performance brake pads
• Includes rotors, caliper mounting brackets, pads
and bushings
Monte Carlo and Impala models already have this
system installed as standard production. Will not
fit stock Grand Prix “crosslace” wheels and spare
tire may not fit. Heat generated by performance
brake pads can cause rotor warping if not allowed
to cool sufficiently between severe uses.
L. 12498646
Heavy-Duty Front Brake Caliper Brackets
• Same brackets used in brake kit P/N 12498644
(see above)
• Includes brackets, bushings and pins
• Rotors equivalent to P/N 12498647 must be used
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Teching In
Joined: Dec 2006
Posts: 15
Likes: 0
LOL
From Car and Driver Reviews
Impala SS
Article Link
Braking, 70-0 mph: 172 ft
Roadholding, 300-ft-dia skidpad: 0.81 g
Grand Prix GXP
Article Link
Braking, 70-0 mph: 174 ft
Roadholding, 300-ft-dia skidpad: 0.82 g
Well the numbers don't lie. Read the articles though, some neat insight and differences between the two that I didn't know before. i.e. The impala SS has a shorter final drive than the gxp.
From Car and Driver Reviews
Impala SS
Article Link
Braking, 70-0 mph: 172 ft
Roadholding, 300-ft-dia skidpad: 0.81 g
Grand Prix GXP
Article Link
Braking, 70-0 mph: 174 ft
Roadholding, 300-ft-dia skidpad: 0.82 g
Well the numbers don't lie. Read the articles though, some neat insight and differences between the two that I didn't know before. i.e. The impala SS has a shorter final drive than the gxp.
Launching!
Joined: Sep 2007
Posts: 225
Likes: 0
check out this site
http://www.wbodystore.com/grandprix/...26a58d27c05ed7
they will fit on the impala ss's but im not not sure about the monte's or the gxp's
http://www.wbodystore.com/grandprix/...26a58d27c05ed7
they will fit on the impala ss's but im not not sure about the monte's or the gxp's
Thread Starter
TECH Fanatic
Joined: Feb 2009
Posts: 1,401
Likes: 1
check out this site
http://www.wbodystore.com/grandprix/...26a58d27c05ed7
they will fit on the impala ss's but im not not sure about the monte's or the gxp's
http://www.wbodystore.com/grandprix/...26a58d27c05ed7
they will fit on the impala ss's but im not not sure about the monte's or the gxp's
This roughly 1.12 "overdrive" at the sprocket means that the transmission input shaft actually turns faster than the engine when the torque converter is locked. I suppose the benefit is that the transmission doesn't actually see full engine torque.
