Hi there, wondering if some experts can share some views.

My S2000 is approaching 100k soon, i have always wondered with a car with 100k
+ miles does the performance suffer? eg a s2000 for example with 30k compared to a 100k one. I presume with bore wear and valve clearance is does.

thanks

 

https://www.s2ki.com/forums/index.php?showt...5&#entry1680654

this could give u an idea, at the least do a compression check. A nicely taken care of s2k will go a long ways. There will be normal wear and tear, but thats normal.

 

When I traded mine in for an NSX I had 100,022 miles on it and it was as good if not better feeling to me. Plus the re-sale value was top notch. Hondas go and go for a long time. I have had 13 of them and not one them ever failed me...

 

Compression and leakdown test would be your first step

mine was well within spec with 95k on the ticker

 

How would i perform this checks, and why are the neccesary.

Thanks for your reply so far.

 

Keep in mind that you might have carbon buildup inside the cylinders, which increases compression. So performance overall will not be affected by much.

 

compression check= well, it's the total compression that each cylinder could make, the compression number shouldn't varys more than 10%(not sure if 10 is good enough spec for the s, but most car will do with 10 percent), for example

good example:

cylinder 1 200
cylinder 2 195
cylinder 3 195
cylinder 4 200

bad example:

cylinder 1 200
cylinder 2 100
cylinder 3 195
cylinder 4 200

cylinder 2 lost compression might due to bent valve, bad ring and lot more stuff.


a leakdown test is similar to compression test but it's way more infomative about the car.

the leakdown test pressureize the cylinder and see if the cylinder can hold the pressure for a period of time. A slight down of pressure is normal but anything over 5 percent you might have a problem.

for example:

good example:

cylinder 1 clocked in for 200psi compression and after five minute, it dropped to 195 psi, that's within the magical 5 percent margin.

bad example:

cylinder 1 clocked in for 200 psi and dropped to 150 psi in the first minute, that could indicat a leak somewhere(you can trace the air leak by using a tool, you can listen to exhaust valve or intake valve and it will tell you where is the leak coming from.)

it's pointless to dump alot of money into a dying motor, so test the water before jumping into it

to answer you second part of the question, you will need a compression guage and leakdown tester.

i have both at home, i work on cars way too much to be without those babies, if y ou need detail instruction let me know.(ASE classes )

 

You might lose a few percent if that. The engine will grenade before you see serious performance loss. How some of you make it to 100K without problems is beyond me. Simply Amazing.

 

^ya me too, I have had my share of problems in 40k miles.

 

I was wondering this too. I have a long way to go, but since I daily drive mine to college I was concerned that a few years it may not perform as well due to the normal wear and tear that comes with high-mileage. I guess that's always an excuse to build a motor