Sam is probably right, the cats are killing the power.

It still feels like a monster after being stock, enjoy the boost.

 

if i get test pipes ill have to do another tune. he said i should get gauges af and a boost. i like the power and sam said its reliable for now.

 

what size injectors should i have gotten? i have 440

 

/

 

leave your injectors alone and get yourself some gauges. If you are happy with the power you are making, then just stay where you are. Remember you are in socal and you dont want to bring to much attention to yourself.

 

+1. Listen to this man. You can spend a lot of time and money searching for 20-30 lost whp. If you're really after a particular dyno #, re-dyno in the winter and you'll be on par with everyone else. You should have a boost and wideband gauge if you're going to run safely and detect problems before they cause damage - money is best spent there.

 

ya dude thats a crappy tune you shoudl be more around 385 with cats so idk whats up

 

how can it be a crapy tune??? it was done by sam.

 

its only at 6psi

 

so you looked at the tune? Sam sent you the files? please enlighten us.

Your tune is fine I am sure. Sam would not have let it out the door with a crappy tune, no matter what some of these guys are saying. You are fine for 6psi and cats.

 

+1

 

does any1 know y my dyno is so choppy? is this normal?

 

https://my350z.com/forum/attachments...wt-picture.jpg

 

not balanced wheels?

 

Happy boosting, Another boosted Z in Socal! A meth kit should get rid of the choppy graph...well that was the case for me when Sam re-tuned my car with meth.

 

dude those numbers are right where you should be on a CONSERVATIVE tune at 6psi with CATS. Ignore the rest of these bone heads.

 

Exactly.....well except for the bone heads part.
But Daniel is right, on 91 octane with stock cats, at 6psi, this is a fine number. Your engine and tune is fine. It's takes more boost, and a more open exhaust system to get to 380-400whp on the small 530bb kit.

Enjoy the boost, and don't attract too much attention to yourself.

 

the dyno looks fine to me. I believe the bumpiness has something to do with timing and possibly the smoothing constant that is being used for the dyno

 

Well i dont know much about this whole tune deal. but i got similar numbers as well. at 5psi i did on dynodynamic 338whp with 440cc and utec. stock cats and exhaust. but then again im getting between 26-29 mpg

 

Larger injectors sounds like the right place to start - I noticed a difference going from the injectors supplied with the TN single kit to the 650cc and Utec. Sure you will get the hot start issue, but just pump the gas and all is well.