Originally Posted by b20accord

Well i decied i post this on this forum now too since you guys are the turbo experts here.

Here is the setup so you know what im working with.
86 honda accord
JDM b20a (no not the preludes b20a5 totally different motor)
H22 MODIFIED SSautoshit manifold and shitty 38mm wastegate
td04 turbo from a wrx
shitty fuel managment for now, just waiting for the rest of my parts to come in for it now.


Alright so im new to boost. I first turboed this car and blew it up because the vaccum line from the wastegate came off and caused it to over boost. So i rebuilt it and i only have 160miles on the new parts and im now starting to have problems.

Here is the situation.

i was just driving along and sped up alittle (got slightly into boost) and then suddlenly the car just lost all power at 5000rpms?? I was like wtf? It seemed to run fine after that but not very strong or anything? So i drove it home hoping i didnt blow it up again or anything. I immediatly bust out the compression tester and go to check the compression to make sure everything inside the engine was fine. I get the damn tester stuck in the spark plug hole damnit!!! It took a good hour to get out. Then i test the rest of them and everything was normal. So i start to look for something else wrong. Then i notice half of the filter on the turbo was gone!!! It was just some uni filter from a dirt bike made out of foam but it was the only thing i could find that had a 2 inch opening that fit on the turbo. I pull off my charge pipes and find out that all of the foam was ground up and stuck in the one side of the intercooler, and i mean tons of foam stuck in there! It had to be blocking off 90 percent of the air flow. I took it off the car to try to clean it. I used a air nozzle at 160 psi and a pressure washer along with a 5hp shop vac with one end plugged. I think i got the intercooler clean now so i put it back on. I also cleaned out all of my charge pipes also. But the car is still running the same it did before!!! Is there anything else that could of gone wrong in this situation??? I cant figure it out!!! It was running so strong before! I dont think there is anything wrong with the turbo, it spins just as freely as it did before and seems to be perfectly fine?? The compression is normal in all cylinders btw.

Does anyone have any idea what it could be???


THANKS!!! and sorry for the long post!