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-   -   GT Motorsports: 370Z Supercharger system development (http://www.the370z.com/forced-induction/8812-gt-motorsports-370z-supercharger-system-development.html)

SAM@GTM 02-28-2010 12:32 PM

Quote:

Originally Posted by JB-370z (Post 421814)
How many belts have yall broken???Honestly Sam-

After dealing with so many other supercharger system over the years. belt issues was always a problem with a lot of them. So we went to extreme masseurs in our design strategy to make sure that belt slippage and brake wont happened. Our system have about 80 % belt rap around the pulley which is really unheard of. So to this day I"m happy to report there has been ZERO problems with our belt set up .

Sam

SAM@GTM 02-28-2010 12:37 PM

Quote:

Originally Posted by JB-370z (Post 421814)
Do you think stage 3 with exhaust, hhc's could hit 465hp???

With right combination of SC housing and pulley I think it will

Sam

Red370 02-28-2010 12:39 PM

Now this is stuff I like to hear!

Togo 02-28-2010 01:15 PM

Quote:

Originally Posted by SAM@GTM (Post 421273)
Still running 8 psi, just spent some more time on the tuning, here is the latest graph so now we are at 420 RWHP and 330 RWTQ .

Sam


Quote:

Originally Posted by travisjb (Post 421512)
looks good, sam... hey, why does the sc curve drop 250 rpms sooner than the stock curve ? thx


I noticed this the same as Travis. Sam how come the SC run ends at roughly 7300RPM where the stock one is roughly 7600RPM?

LiquidZ 02-28-2010 02:29 PM

Sam, sorry if this has already been covered, but why are your running with no air filters?

DannyGT 02-28-2010 02:34 PM

Quote:

Originally Posted by Buddy Revell (Post 421624)
330 isn't 340-350, but who cares, lol.;) Very good dyno numbers from GTM.:tup:

;) ;) All he did was fine tune this...lets imagine for once, whats going to happen with 2 more psi + full exhaust. I agree tho, very nice numbers so far. Especially for Stage 1...

370z4Steve 02-28-2010 02:38 PM

if thats with full stock exhaust system its like close to 500 HP and400 FT/LB @the crank ...

going for that CARB Cert eh SAM ? :)

Silo 02-28-2010 02:48 PM

Quote:

Originally Posted by Togo (Post 422026)
I noticed this the same as Travis. Sam how come the SC run ends at roughly 7300RPM where the stock one is roughly 7600RPM?


Most probably because he did not want to run it into the rev limiter on boost and let off earlier. Since revs climbed significantly faster then without boost he probably cound't "time" it better.

Buddy Revell 02-28-2010 02:55 PM

Now, with the older VQ's, 8 psi was just about right to keep a nice level of reliability on a daily driver with stock internals on pump gas. I wonder what's a good amount for our newer VQ37's?

Togo 02-28-2010 02:59 PM

Quote:

Originally Posted by Buddy Revell (Post 422285)
Now, with the older VQ's, 8 psi was just about right to keep a nice level of reliability on a daily driver with stock internals on pump gas. I wonder what's a good amount for our newer VQ37's?

Well the newer VQs have a stronger set of internals so at least we know we can run what the older VQs did safely and 8psi isn't too shabby.

Buddy Revell 02-28-2010 03:43 PM

Quote:

Originally Posted by Togo (Post 422289)
Well the newer VQs have a stronger set of internals so at least we know we can run what the older VQs did safely and 8psi isn't too shabby.

We do run higher compression ratio than the VQ35, though.

Togo 02-28-2010 03:51 PM

Quote:

Originally Posted by Buddy Revell (Post 422368)
We do run higher compression ratio than the VQ35, though.

Oh really, wasn't aware of that

stormcrow 02-28-2010 03:52 PM

GTM vs. Stillen
 
Not to be desparaging against any one vendor, but barring any wires that will no longer be there, which engine bay would you rather have? Yes, this is a rhetorical question.

Stillen

http://www.lansystem.com/jh/stillen-sc.jpg


GTM

http://www.lansystem.com/jh/gtm-sc.jpg

Togo 02-28-2010 03:57 PM

^ In the alternative companies defense, they are making a custom cover to make things look nice. However that will also likely increase the cost of the opposing kit.

theDreamer 02-28-2010 04:03 PM

Quote:

Originally Posted by Togo (Post 422396)
^ In the alternative companies defense, they are making a custom cover to make things look nice. However that will also likely increase the cost of the opposing kit.

And not to get deep into it, but Stillen took that picture during R&D testing, they have stated multiple times that is not what it will look like in the end.
On topic: Glad to see dyno numbers rolling out GTM, now lets get these kit(s) on customers cars (who are on this board) to get reviews.


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