My car doesn't feel fast anymore, but I'm 100% sure the reason is due to me being used to it. Does your girlfriend ride in the car often? Maybe she's used to it too? That's what happens when you mod cars.

9 out of 10 people aren't going to do minor mods and think "ok thats good"... they may think that for a little while, but when it comes to boost, you ALWAYS end up wanting more and more. I'm sre guys out there with 400-600WHP Evo's get used to it eventually....

 

yes i did get used to the power and i tuned my car over the summer, on summer nights my car feels faster because less humid, and now it's autumn where it be like 50 degress high and my car would feel slower than hot humid summer days even during the night where it can drop to 40 degrees.

i also notice sometimes when i let go the gas it would bog and jerk often, does that have to do with anything?

 

Change the plugs,


When you are in 3rd gear rolling along @3500 floor it and see if it is the clutch slipping.

 

Do you have a aftermarket bov if so the spring might've rusted due to the humidity and needs to be lubricated. You should also check for a boost leak and vaccum leak make sure all the boost, and vac lines tied and secured...I had a similar problem after I fixed it the car runs alot better..

 

Not to be mean but isn't this your thread ?

It's your clutch...
https://www.evolutionm.net/forums/sh...d.php?t=302478

 

Boost Leak Test

 

If you were tuned in the summer, the MUCH cooler weather will cause you to run more rich. Rich enough to kill power, I'm doubt, but just an idea. Do you have a wideband? Did your AFR's change?

 

yes it is but it isnt my clutch, i did pulls from every high gear and the clutch dont slip.

 

The clutch doesn't grab as hard as it did orginally and you are probably at the point where the clutch is fairly worn but not slipping. Get a new clutch and it will feel brand new again. Either that or get another car.

 

this is what i was hoping but im afraid it isnt my clutch after i put in a new clutch, can this actually happen tho that my clutch is worn and doesnt grab but dont slip?

 

not trying to be mean but have you done a boost leak test and have you logged the car. Doing these things are simple and dont cost you a dime.

You will likely find your answer and the fix

 

just a quick question hoping some ppl can answer, my turbo spools alot louder and my stock jdm dv is louder now also. even when im not boosting i can hear my intake 10x louder than be4, all the clamps are tight on the intake tho. is this a symptom of any problems?

 

I wholeheartedly disagree. A lot of times a boost leak will only rear it's ugly head when the charge system is pressurized. While it is possible to have both a vacuum (and obviously boost in that scenario) it's not garauntee.