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O2 Sensor Failure CEL & TSC light on simultaneously. With OBDII systems it's possible that if you have a CEL indicating a bad O2 sensor you can also get a TSC light but with no codes. The reason for this is that the O2 heaters are powered by #5 fuse in the dashboard fuse panel, which also...

Here is the link to instructions that are meant to supplement other ABS conversion instructions posted on the forum. These instructions provide the locations for the 8 brake lines that come with the conversion kits, and address what's additionally required if the optional NSX-R Master Cylinder...

NSXcapades 2020 Our 22nd annual event NSXcapades 2020 is a GO! Mark your calendars for the weekend of Dec.5 and 6. Will it be fun? YES! Will it be the same as previous years. NO! With COVID making a comeback we have revised our events to adhere to CDC guidelines and reduce the chance of...

When I let off of the throttle the RPM remains at around 1300 rpm and then the rpm slowly drops over a period of about 10-15sec to approximately a normal range of around 800rpm. This happens parked in nuetral when the throttle is blipped or in gear. The rpm dropping to idle speed is slow enough...

Evans Waterless Coolant Evaluation – 1991 NSX Normally Aspirated. A friend of mine had put me onto Evans Waterless Coolant and its benefits of 0 corrosive properties, less stress on cooling system components due to the fact that it can operate at atmospheric pressure due to its 375deg...

<!--[if !mso]> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style> <![endif]--> Evans Waterless Coolant Evaluation – 1991 NSX Normally Aspirated. A friend of mine had put me onto Evans...

Some time during 2016 new OEM windshields for the NSX passed into the history books. Acura is now outsourcing the windshields from a single outside vendor. If you are in the market for a new windshield your best bet is to go to one of the reputable glass shops such as Safelite Auto Glass and...

Some time during 2016 new OEM windshields for the NSX passed into the history books. Acura is now outsourcing the windshields from a single outside vendor. If you are in the market for a new windshield your best bet is to go to one of the reputable glass shops such as Safelite Auto Glass and...

I recently completed a color correction and application of C Quartz on my 91 Red/Black NSX, and after posting before and after photos on FB a few guys asked me to provide some insight into the process. First let me tell everyone that I am not a detailer and I had no previous experience in...

Owners, including me, have asked where to install switches for things like DRL's, OEM Antenna Control, Lift Systems, etc. The options are limited to installing the oem switch plate in the center console coin tray, deleting the ashtray and replacing it with a flat panel or drilling holes...

<!--[if !mso]> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style> <![endif]--> Dali 1” Trophy Straight Sway Bar Install in NA1 NSX The challenge with installing the Dali Trophy bar...

After unsuccessfully trying to install pistons into the new dust cover boots in rebuilt calipers per the manual, and destroying one new rubber dust boot in the process I decided to do some searching on the internet. I did find several methods of getting the boot over the piston, but the one that...

Here is a link to a searchable parts catalog. http://www.valiantsracingdevelopment.com/nsx-catalog/Catalog.html

I have a line on a new set of Dali Oil Pump Gears for a very good price. My problem is that there is no documentation with the gears and unfortunately the Dali website, which had a wealth of information on it, is now history. Does anyone have any documentation and experience on the gears? I know...

Does anyone know what the Timken part number is for the intermediate shaft bearing on a 91? I would prefer not to pay top dollar for the part from Acura. I'm also looking for CV Joint Bearings.

I am having a problem with the front bank vtec kicking out due to low oil pressure and getting a CEL 22 code (Front Vtec Oil Press Switch). First some history on the car. The car is basically stock. I purchased the car this past Feb with 54k miles on it. From 2001 to June 2014 the car...

More than likely most of you have seen this already, but I'm reposting it here just to make sure I'm not missing anyone. I recently had a front cyl head intake cam journal wipe out. The car has never been tracked, but it has sat in storage with only intermittent use over the past 15 years. Oil...

Nitto Neo Gen 205/40R18 Tires (2) Two NITTO 205/40R 18. These tires are in excellent like new condition. They were purchased in 06/2015 and have less than a 1000 miles on them. Tread depth is 9.2/32 (new is 9.7/32). Sold as a pair. List Date: 3/30/2015 For more info, click here to view the...

Momo Arrow Wheels 18 x 8.5 & 17 x 7, 5x114.3 Factory Triple Chrome Plated (SOLD) - SOLD Momo Arrow Wheels 18 x 8.5 & 17 x 7, 5x114.3 Factory Triple Chrome Plated (SOLD) 4 Momo Arrow Triple Chrome Plated (special ordered from Momo) Wheels. Beautiful condition. Used for maybe 2 years before...

I know its a bit early, but I was wondering if anyone was planning on going to the Dream Cars Weekend at Disney on Labor Day weekend?

I'm in need of a battery box and mounting hardware for a 91. The one the car came with mysteriously disappeared during its travels.

After a 2 month wait I finally trailered home a pristine 1991.