Mishap

Here's are some overlaid dyno comparison charts.

All done w/ dynojet software using SAE correction to make them directly comparable.

Remember though, none of these setups are identical nor are they all tuned. It's more a resource to see how different turbos reach boost.

Click on the image for the larger file.

Bags 4th Gen USIM 3" exhaust@ 7psi (T3/T04B?) - Blue
Sadler 4th Gen USIM 2¼" crushbent exhaust @5psi(T3/T04E) - Red


Bags 4th Gen USIM 3" exhaust @ 7psi (T3/T04B?) - Blue
Shadow 4th Gen USIM automatic 2½" crushbent exhaust @ 6psi (T3/T04S 60-1) - Red


Ramius 4th Gen MEVI(Locked Open) 3" exhaust @ ~10psi (T4/60-1 BB) - Blue
Y2Kev 5th Gen (5 good cylinders?) @10psi (T4/60-1 BB) - Red


There's a lot more ways I could compare these...I'll take requests as to which ones to do first for those interested in how different setups perform through the powerband.

These are served on our commercial server so please don't hot link them to other forums as it will drain our resources.

Thanks to everyone for sending me their run files...makes it much easier to find what works and what doesn't.

Bags

iTrader: (3)

Just to get it clear.. my exhaust is NOT mandrel bent all the way

good comparison BTW

BigDogJonx

iTrader: (7)

And crushbent exhaust doesnt cause that much of a different at 5-7psi since there is not enough backpressure to affect it.

Dixit

Mishap

Switching to a full 3" and aftermarket cat or test pipe should still add a few hp in the top end even w/ low boost. Sadler's exhaust looked like it was made from bendy straws before he got rid of it. I do know that Shadow's car spooled noticeably faster the 2nd time it went to the dyno w/ the 3" even though that stock cat is still choking it off.

Quite honestly very few of the cars here make the same power that the graphs show at this point. It's just to give a baseline of what some setups are capable of and how their power comes in. All the cars on here can probably make another 10-15% w/ more tuning and refining their mods. There are so many variables between these cars that direct comparison is just about impossible.

Bags

iTrader: (3)

Would you mind comparing mine and kev's?

Thanks man

Can you email me your dyno files?


I should have my MEVI on in ~2 weeks, I *hope* for 300 WHP.

Mishap

I have to organize all the files a bit...they're on two different computers right now but I'll put up a zip file w/ them all in directories in a little while.

IceY2K1

iTrader: (3)

AWESOME~!

However, we really need approximately the same psi to compare apples-to-apples like Kevs' and Ramus.

We need Dixits' and Jays' dyno up here! Who else has some?

IceY2K1

iTrader: (3)

Also, bags@10psi with USIM would be a good comparison to MEVI@7psi with approximately the same AFR.

Mishap

I think Ramius and Kev's are at the same or similar psi if you ignore the huge oscillations in the graph.

As for the other guys, I don't know if they got their run files from the dynos. Should be something to ask for in the future.

IceY2K1

iTrader: (3)

That's what I meant to say...now that I re-read it, it sounds different.

I meant Kev/Ramius was good for comparison, however until Ramius redynos with his boost leak fixed, I can't really tell that much.

I can pretty much see how Bags T3/T04B will stack up to Kevs' at the same PSI. Pretty impressive IMO once you add 3psi more.

Bags

iTrader: (3)

And a MEVI

I don't know the future of my dynoing. I'll try and keep my word. There may be to much at one time though.

I had no idea my graph on top of kev's would look. I could guess, but no I am very surprised.

Thanks mishap. If it takes 2 weeks, no bigge.