JWT Pop, MD 5/16" isotherm, Nismo cat back dyno!
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From: Bradenton/Sarasota
check the numbers for yourselves 
afrs were 14:1 till about 4k, then richer to 13:1 at 6krpm.......but those afr numbers were all POST CAT meaning a good point richer at least. I was pretty happy
this was the same day, same dyno that Taurran made his 412whp pull on his TN kit.

afrs were 14:1 till about 4k, then richer to 13:1 at 6krpm.......but those afr numbers were all POST CAT meaning a good point richer at least. I was pretty happy

this was the same day, same dyno that Taurran made his 412whp pull on his TN kit.
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From: Bradenton/Sarasota
Originally Posted by mc350z
i see your sig says nismo CAI. do you have #'s of a nimso CAI MD spacer and nismo exaust. im just curious because i have that same set up
nope, I think i lost power with that setup, whch is why I threw the pop charger back on.
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Originally Posted by chimmike
nope, I think i lost power with that setup, whch is why I threw the pop charger back on.
hmm. thats not a good sign. thats the set up im gonna have when i put my spacer on.
why do you think the long tubing hurt it compared to the short ram?
i understand ur theory of a cai, not showing true gains on a dyno due to not moving, but with a Z i think its just that they are simply not as efficient as the pop charger.
so ur dyno numbers look good, and i guess since u dont have a baseline dyno, what does the butt dyno say? Can u feel much of a difference?
so ur dyno numbers look good, and i guess since u dont have a baseline dyno, what does the butt dyno say? Can u feel much of a difference?
Originally Posted by plumpzz
Nice setup and good power. Its such a sad story that the 287hp engine runs out of steam after 5000 RPM. Ive made it a habit of shifting early cuz theres no pull after 5500 RPM.
Are you accually meaning 6000rpm and 6500rpm?I don't see his dyno showing what you are saying and when I look at mine as well.
i have noticed people picking up gains after installing a pop charger and if u have one around try it out. i guess with the cai being so long, they sometimes create turbulence in the piping from it not flowing so well.
You still didnt say how much faster the car feels now though. That is what I am truly interested in. If it IS a lot faster, then dont change a thing!
You still didnt say how much faster the car feels now though. That is what I am truly interested in. If it IS a lot faster, then dont change a thing!
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