Just finished dynoing a guys 07 Cobalt SS TVS with a 2.9 pulley that I tuned today.

Car runs on pump gas + meth.

His mods are OTTP intake, OTTP heat exchanger, dual pass, vibrant header and downpipe, 2.5" catback, CF clutch and DSS axles (doubt those affect the power at all).



330/284, not too shaby considering its only at 20 degrees and 11.5 afr.

Didn't want to tune it for any more power since its his DD.

Kevin

 

not bad

 

Thats pretty impressive!

 

Nice numbers for pump gas.

 

imagine that thing on e85 um um lol

 

Nice numbers!
I love teh TVS

 

wow, i need to do something to pull away from that, those #'s are too close to mine! Nice!

 

I have a set of 80lb injectors, a TVS and a 2.7 pulley waiting for me to find time to try and tune the 80s for my car

E85 isn't an option in our area, so we have to setttle for methanol injection. There is a race gas shop around here that sells pure meth for a little less then you pay for premium gas at the pump.

Kevin

 

Very nice dyno numbers. Congrats.

 

Nice,i'm going back to the dyno hopefully in a week,i put the man pulley on and did some more tuning,she pulls hard all the way through the power bandIf i can squeeze at least 15whp more than the numbers in my sig,i'll be happy.

 

now thats what i like to see from a tvs swap

 

damn, thats really good numbers.

 

I have a TVS w/ 2.8 and most of those same mods sitting in my basement waiting for spring....nice to see where I could be power wise when I install it all

 

All these guys going TVS makes me want to just bite the bullet and do it!

 

i want a TVS lol. but i cant exactly afford one while in school right now

 

I say get your bite on ....Mine has been on a week and WOW

 

Lol your like the small conscience devil on my shoulder saying just do it! haha between this thread and the one you started its getting harder to refrain from clicking the purchase button

 

Nice results

 

Forgot to mention he also has an LS1 throttlebody, and is running on 60lb injectors.

Kevin

 

Congrats man! Those are some really good numbers

 

ls1 tb?

 

he means ls4 i'm sure.

 

Sorry, yes LS4 throtlebody is what I meant, not sure why I said 1, lol.

Kevin

 

i will say this.... don't expect your car to have those #s in the summer! I was puttin down 343whp in 60deg weather, now that its 30 deg and below, there is a huge very very noticible difference in power! the colder the air the faster you go! so in the summer expect your car to be slower than it is now! if i were to go dyno my car now i should probably be puttin down well into the 350#'s maybe even the 360#! I LOVE THE COLD WEATHER!

 

What meth/water mixture was used?

Can you wait till I catch up? jk

I probably won't go back to the dyno until the E85 Summer blend is back. Which will be about May 16th.