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-   Evo Engine / Turbo / Drivetrain (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain-22/)
-   -   GSC S2's with stock turbo and ecu (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain/332591-gsc-s2s-stock-turbo-ecu.html)

newbieEVO8 Mar 17, 2008 07:12 AM

GSC S2's with stock turbo and ecu
 
The rest of my mods are in my sig.

With this setup I have run a 12.58 @ 111.

http://thumbs.vidiac.com/9a9ef9ac-01...6100d9e476.jpgClick here to see Video

fugiwara Mar 17, 2008 07:22 AM

shouldn't this setup run low 12 sec or high 11 sec? b/c my friend's 03 evo ran mid 12 w/out cams.

sparky Mar 17, 2008 07:26 AM

Brad: How did the swap to the S2's affect your stock turbo's spoolup characteristics in comparison to your previous camshaft setup? Even a seat of the pants assessment would provide helpful insight, thanks!

EDIT: I read on LancerRegister that the S1's spool better than the S2's. What's your take?

0E3vobutt3r Mar 17, 2008 07:36 AM

bump for more information.

do the s2's require spring and retainer upgrades?

also do you have a vid of the car in motion? cruisin and WOT?;

sounds great at an idle.

newbieEVO8 Mar 17, 2008 07:48 AM


Originally Posted by sparky (Post 5418980)
Brad: How did the swap to the S2's affect your stock turbo's spoolup characteristics in comparison to your previous camshaft setup? Even a seat of the pants assessment would provide helpful insight, thanks!

From the seat of my pants the spoolup feels about the same.

The dll graph shows basically identical hp and trq curves just that they go higher and stay higher to redline.

There is a very noticeable torque punch with these cams.

scheides Mar 17, 2008 07:50 AM

Are these on par with HKS 280's specwise?

sparky Mar 17, 2008 07:57 AM

Thanks Brad! So there is a noticeable gain in midrange torque? I am considering going over to these cams from my present setup. I really want to maximize torque and spoolup. I never rev over 7200 RPM. So, I had been considering the S1's.

newbieEVO8 Mar 17, 2008 08:04 AM


Originally Posted by 0E3vobutt3r (Post 5419017)
bump for more information.

do the s2's require spring and retainer upgrades?

also do you have a vid of the car in motion? cruisin and WOT?;

sounds great at an idle.

Yes, you will need to upgrade your springs and retainers.

There are several videos of my car racing here http://dsmvideo.vidiac.com.

newbieEVO8 Mar 17, 2008 08:06 AM


Originally Posted by scheides (Post 5419062)
Are these on par with HKS 280's specwise?

I believe these are a bit more aggressive than the HKS 280's.

newbieEVO8 Mar 17, 2008 08:11 AM


Originally Posted by fugiwara (Post 5418973)
shouldn't this setup run low 12 sec or high 11 sec? b/c my friend's 03 evo ran mid 12 w/out cams.

I am a horrible driver.

It was my first time at the track.

I was only getting 1.83 60's and my stock clutch is finally giving up on me so I had to slow shift into 4th or it would grind its a$$ off.

The new clutch will be in by the end of the month so I hope to be able to improve on that time.

Mellon Racing Mar 17, 2008 08:27 AM

I don't think the stock 16g with the small hotside is helping matters, get that HTA 35R bro :lol:

newbieEVO8 Mar 17, 2008 08:52 AM

Hopefully by the end of the summer.

Mellon Racing Mar 17, 2008 08:55 AM

I can't wait, your car is going to be crazy fast.

Aby@MIL.SPEC Mar 17, 2008 11:34 AM


Originally Posted by Brad@MellonTuning (Post 5419058)
The dll graph shows basically identical hp and trq curves just that they go higher and stay higher to redline.

can you post your dll compare?


Originally Posted by Brad@MellonTuning (Post 5419058)
There is a very noticeable torque punch with these cams.

is the punch harder or softer? can you elaborate please.

TIA{thumbup}

newbieEVO8 Mar 17, 2008 12:11 PM


Originally Posted by Aby@MIL.SPEC (Post 5419982)
can you post your dll compare?

is the punch harder or softer? can you elaborate please.

TIA{thumbup}

The punch is harder.

I will have to wait until I get home to get that pic off my laptop.


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