S2000 Under The Hood S2000 Technical and Mechanical discussions.

POWER LOSE

Thread Tools
 
Old May 9, 2007 | 08:35 AM
  #31  
jyeung528's Avatar
Registered User
 
Joined: Apr 2003
Posts: 8,595
Likes: 54
From: Temple City
Default

if you're getting good compression, you shouldn't need a leakdown test.

BUT...i highly doubt the results of your compression test if you're feeling "power loss" without any other problems.

leakdown is more foolproof, costs about 45 bucks. have a mechanic do it...
Reply
Old May 9, 2007 | 08:43 AM
  #32  
iDomN8U's Avatar
15 Year Member
 
Joined: May 2006
Posts: 7,430
Likes: 2
From: Ontario
Default

Weather could have played a part, the hotter it gets I would imagine it would pull the timing

Reset the ECU

Second idea: Bad gas, which will also result in the ecu pulling the timing

Reset the ECU

Third idea: Get a Dyno run in, it will speak for itself
Reply
Old May 9, 2007 | 10:52 AM
  #33  
SpitfireS's Avatar
15 Year Member
 
Joined: Jan 2006
Posts: 4,953
Likes: 25
From: 17 ft below sea level.
Default

verviers Posted: May 8 2007, 03:01 AM
No engine light on. New Oil. Basically the car no longer has the KICK
What kind of oil? 20W-50?

I'll second iDomN8U second idea: bad gas.

Put the OEM sparkplugs back in.

Give the MAP a Wack.

Long shot: one of the cat's cores has broken into pieces and is blocking the exhaust. Any rattle from down there?
Allthough the metal foil cores don't break up like ceramic cores may.


Btw.. the OEM clutch is pretty good.
Only if you go FI you may really need a stronger PP.
If you can't recognize a slipping clutch and think it is "Loss of torque" ....
Reply
Old May 9, 2007 | 12:20 PM
  #34  
ChuckV's Avatar
Registered User
 
Joined: Oct 2004
Posts: 771
Likes: 0
From: Westfield, NJ
Default

If your shifts suddenly feel "smoother" than maybe your clutch is slipping... Have you done the clutch test yet? Another way to test is going up a steep uphill, mash the gas, if the RPMs go up but the car doesn't move, you have a slipping clutch. Best done close to peak torque.
Reply
Old May 9, 2007 | 03:02 PM
  #35  
verviers's Avatar
Thread Starter
Registered User
 
Joined: Nov 2006
Posts: 67
Likes: 0
From: Boston
Default

Got pleanty to do now, thank for the help, I'll post as I test...
Reply
Old May 9, 2007 | 03:15 PM
  #36  
Mr. Eryozgatliyan's Avatar
Banned
 
Joined: Oct 2005
Posts: 11,920
Likes: 1
From: Rancho Palos Verdes, Ca.
Default

I bet your just used to your car, that's all.

When I first got this car, I thought is was so fast, I couldn't even go to red line without thinking I was driving like a mad man. Now, I think the thing is a slug
Reply
Old May 9, 2007 | 06:15 PM
  #37  
R3DS2K's Avatar
Registered User
 
Joined: Sep 2006
Posts: 2,330
Likes: 0
Default

i know i asked before.. but what was done right before it felt like you had a power lost.. even the smallest things. got gas.. weather changed.. nail in tire.. got new tires.. brake job.. anything.. small to big.. that could affect or not affect your car.. its odd.. that it was just all of a sudden..
Reply
Old May 11, 2007 | 10:30 PM
  #38  
verviers's Avatar
Thread Starter
Registered User
 
Joined: Nov 2006
Posts: 67
Likes: 0
From: Boston
Default

No, I never really thought that S2000s were fast, sorry guys I sell Audi's I think the new 3.2 TT is faster, so is my old 2.7 Bosxter, RS4, S4, s6, and a crap load of others. I do know that the S2000 is quicker than all of them (maybe not the RS4). The shit is driving me crazy, I'm not the only butt dyno around that notived with, 3 people whom know my car did... I'll keep you all updates.
Reply
Old May 12, 2007 | 08:43 AM
  #39  
R3DS2K's Avatar
Registered User
 
Joined: Sep 2006
Posts: 2,330
Likes: 0
Default

how bout a video.. your not giving use much info about your car
Reply
Old May 12, 2007 | 10:42 AM
  #40  
kill's Avatar
Registered User
 
Joined: Dec 2006
Posts: 1,091
Likes: 0
From: nor'hampton pa
Default

Originally Posted by Billman250,May 7 2007, 08:35 PM
Next thing I'd do is put the stock spark plugs back in.
lol seriously...why do people think these $20 dollar each spark plugs do anything? its been basically proven that they can actually do more harm than good in basically any application that wasn't designed for it. honda designed the engine to use the spark plugs it came with. if it was designed to put in 4 and 8 pronged insect lookin spark plugs they would have from the factory if they were "so damn good"...there not..don't waste your money..and don't let yourself be fooled.

the only place those spark plugs are good in is applications that are designed from the start to use spark plugs with that many prongs.


and no your piston or valve will not break off the prongs...its caused by heat/wear..and its basic common sense...if you have 4 failure points instead of 1 you have a 400% more chance of failing...you can't argue with this logic like you can with "people on the internet telling me they're bad"...also billman basically specializes in fixing s2k's...anytime he says something you should listen and take note.

the reason i know to use only oem spark plugs is because my step dad is a shop foreman of a local diesel shop...he's on the curriculum board for the local vo-tech mechanic program and basically has final say if students pass or not. he has over 25 years of experience in engines...when he says i shouldn't be fooled by "advertising gimmicks" like "oh it has more prongs it must be better!!!" then i'm not gonna be fooled...also if they were so good all cars would COME WITH THEM.

another reason...my uncle who is an ASE master certified technician who's also worked at one of the top local dealerships for over 20 years has said the same exact thing about the spark plugs...waste of money and it has the chance to destroy your engine because its just not made for that application.

you don't have to listen to "people telling you how it is on the internet" if you don't want to. but i'll always know the truth and the people like me will always look at you and say..come on man..we're just trying to help and some of us know a shit load more than you...and i'm not talking about myself.
Reply



All times are GMT -8. The time now is 02:06 PM.