yeah didnt mean the whole car. the mopar stage 3 turbo,manifold,surge valve, wastegate, and 02 housing are all made my mitsu and same as the stock set up. the emblem is on all of them lol. and the car was assembled and made in the USA in Illinois i trust mitsu to make the turbo set up more than Chrysler lol

 

ummm back to the OP, I could care less about your srt-4.

 

but yet you commented on it when i said 2 words about it w.e

back to this gentlemans car

 

Any chance you have a slight exhaust leak or something that's minor enough to cause a drop but not big enough to really be significant?

My boost gauge is a bit generous by about 1.5psi so I spike a past 25psi which is really 23.5psi or so. After getting tuned I'm holding steady just a bit below that to readline though (ECU-based boost control w/ pill). So you might not even be hitting 18psi in reality if your gauge is as accurate as mine is. Just a thought.

So pursuing the wastegate may be a good next step. Or have a tuner take a look. I dunno.

 

is the ecu boost control better than the manual boost control , to hold boost accuratley

 

Sounds like you might be hitting boost cut.

You might want to connect up a Tactrix cable and use Ecuflash to check your boost limit settings. You can then adjust the table as necessary.


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