Compressor size too big? or something wrong.
 

So i fixed my spark problem, now i got new problems. :S

When i had a .48 cold .63 hot, on 7lbs, i could feel my turbo and it would put me back in the seat some. now i went to .60 cold .63 hot, on 9lbs, and its not a violent push anymore. is the sizing off? should i go smaller compressor? or am i just retarded. Its still "fast", just dont feel that push when the turbo kicks in.

Its on a stock b18b

Re: Compressor size too big? or something wrong.
 

I don't know hondas very well (disclaimer).
A .48 turbo will spool up significantly faster than a .60/.63. It gets worse as you decrease displacement.
Have a look at the compressor map. Do you know your approximate peak hp at max boost?

What you might be feeling is a turbo that's slower to spool up but has the same peak hp. I ran a .42/.48 on a 2.4L for a while and it would boost instantly...

It's all about that area under the hp curve, not necessarily the peak hp that makes your car feel fast.

Re: Compressor size too big? or something wrong.
 

Well the turbine hotside has stayed the same. just thought i would have better spool going with a bigger compressor side. but it seems its worse. i might try to look up another compressor side and try it to see the results.

Re: Compressor size too big? or something wrong.
 

you went with a t3 60 trim comp side?? they should be a great sized turbo for that motor

going up that little in size shouldnt significantly change how long it takes to spool, but it most definitely will take a little longer. a buddy of mine had the exact same hot side as i do on my turbo, and i jumped up one size on the comp side and i'm hitting full boost almost 600~800 rpms later. the price you pay for top end

Re: Compressor size too big? or something wrong.
 

Well, i took it to a shop around here. a guy drove it and said that it was the tune. But they only tune hondata there so gonna just wait and get a new tune. He said it was pushing more air and my ecu didnt know what to do so it skips. almost sounds like a misfire sometimes. but my plugs are down to .28 now and i have nology wires. and im running on 93 octane.

I really need to stop being a lazy ass and learn to tune.

Re: Compressor size too big? or something wrong.
 

you switched turbo's and didnt retune ???

Re: Compressor size too big? or something wrong.
 

durka durka theres the problem, just cause you slap a condom on doesn't mean your ready to have sex

Re: Compressor size too big? or something wrong.
 

put the other turbo back on untill u can tune it

Re: Compressor size too big? or something wrong.
 

its all been on a basemap. i am assuming its all the problem. but it just started doing it. im waiting till my ---- is solid with no leaks before the tune.

Re: Compressor size too big? or something wrong.
 

dude fix the ------ leaks in the garage before you go ------ with the car save your self some headaches