Difference between earlier and late models?

[AiGTs]

Hi I'm considering buying an NSX and was wondering if you guys could provide me some info on the major difference between early 90s model and late 90s model. Thanks in advance, I appreciate it.

-Bruce

 

[PHOEN$X]

Hi, I think that is a question for the Forums Nazi or Mr.Wolf...gentlemen, where are you?

 

[demigod]

1992

1991 was the first production model year for the NSX. In 1992 there was a new color introduced. It was Grand Prix White. These changes are ONLY for US models.

All manual NSX's from 1991 to 1996 have a 3.0L 270HP engine



1993

A passenger side airbag was added

Re-worked the center console

Warranty went from 3 years 36 to 4 years 45 miles

The AC system was switched from CFC's to R134A (Environmentally friendly)

There was a useless cupholder added



1994

A new color Brooklands Green Pearl was added

Late model green cars had body color roof's. Instead of black one's

No more Sebring Silver NSX's were produced

Interior color Tan was added

No more Ivory interior

New rims were added + increased Tire/Wheel Sizes to 215ZR45 16" Front and 245ZR40 17" Rear

Reduced gear noise by reducing the gear cut

Made the rear wall of the interior color coded to the leather

Rear alignment was changed to 2mm less toe-in to help improve tire wear

Deleted the stainless steel NSX symbol from center arm rest.
(That always burned my arm...ouch!!)



1995

Added the NSX-T: Removable top

The roof's on the NSX-T's were body colored. Coupes remained black topped

The color Midnight Pearl was added

No Grand Prix White was offered in 95

The NSX-T's were extensively reinforced throughout - resulting in about 120 pound increase over the coupe version

Limited slip differential was changed

Throttle by wire was added

Better brake cooling

Low speed power steering was added

Different exhaust

Sportshifter added to steering wheel for automatics




1996

Grand Prix White was offered once more

More reinforcement for the NSX-T adding an extra 10 pounds



1997

New colors Monte Carlo Blue, Spa Yellow, Kaiser Silver

Engine increased from a 3.0L to a 3.2L, on manual transmissions cars.

Horsepower grew from 270 to 290 and torque went from 210lbs-ft to 224 lbs-ft
On manual transition cars (auto's stayed the same at 252hp)

New 6 speed transmission, 6th gear is engaged by a solenoid. The gearshift activates a switch to change gears.

Double synchros on 3rd through 6th gears

Triple synchros on 2nd gear

Stronger harder aluminum alloy (body panels) that reduced weight and increased rigidity

Less noise and vibration from the engine at idle

New car immobilizer and anti-theft system which uses a micro-chipped key

No more metal key

Improved traction control system

Better ABS system

New front spoiler

Better power steering control

Larger spare tire

Solar absorbing glass. 40% less heat enters the car

larger diameter spare tire

Dual mass flywheel

Single disk clutch added to cut down on clutch chatter

Lockout of reverse when traveling over 8mph

Emission control system changes

Bigger intake valves

Different exhaust manifolds, now stainless steel and free breathing

Different cylinder linings, fiber reinforced (FRM)

Different head gaskets

Larger connecting rod bearings

Bigger front and rear brakes, brake rotor diameters and rotor thickness

Front caliper pistons went from 40mm and 34mm to 40mm and 36mm.

Coupes can be ordered with either body color tops or black tops

New wheels- same as the 94 to 96 wheels but without the smoke color.



1998

Throttle computer was re-worked and different software uploaded



1999

No changes to the NSX or NSX-T

Introduction of the ZNSX (Zanardi NSX)

The Zanardi Edition is the lightest, fastest, and most exclusive NSX ever built
Production: Only 50 units


149 pound weight reduction from NSX-T

Front & rear shock absorber rebound rates
increased 99% and 31%, respectively


Front & rear shock absorber compression
rates increased 72% and 50%, respectively


Front & rear spring rates increased by 103%
and 32%, respectively


Stiffer, larger diameter rear stabilizer bar with
thicker tube wall
-- Alex Zanardi Edition: 0.75 inch diameter,
0.11 inch wall thickness
-- NSX-T: 0.68 inch diameter, 0.09 inch wall
thickness


Overall height reduced by 0.4 inch


Front roll center height reduced by 0.6 inch


Rear roll center height reduced by 0.3 inch


Each with a numbered Alex Zanardi
signature plaque




2000
Three new colors

Silverstone Metallic
New Formula Red
Monaco Blue Pearl

Acura logo "A" added on rims.

Improved ABS system

Improved manuel shifter

Low emissions vehicle (LEV)

Onboard refueling vapor recovery

Preforated Leather.

 

[PHOEN$X]

Awww, demigod, you're not much fun.

 

[Steve]

Rear alignment was changed to 2mm less toe-in to help improve tire wear

Did this not happen in 1993??

 

[Forums Nazi]

Hi I'm considering buying an NSX and was wondering if you guys could provide me some info on the major difference between early 90s model and late 90s model.

Clearly, you are a

Allow me to introduce you to two features of NSXprime, that are on your screen.

At the top of your screen is a bar that looks like this:

If you click on the word FAQ, you will find answers to Frequently Asked Questions like yours. For example, you can go to the FAQ and click on General Info and then Changes by Year, and find the response that demigod unfortunately provided.

The other feature is the button that looks like this:

This button lets you search previous topics on these forums.

Please use these features before asking your questions; next time we will be less forgiving. And enjoy your time here!

 

[AiGTs]

Thanks for the help guys !!

-Bruce

 

[demigod]

For example, you can go to the FAQ and click on General Info and then Changes by Year, and find the response that demigod unfortunately provided.

Actually my response came from a different source, it had other changes shown that weren't in the faq. Using both will provide more information.