Hey guys,

I'm trying to setup a little comparative study between the various pulley/cog/impeller combos available for the Vortechs.

So basically if any one has their boost vs rpm logs from a pull or dyno run (starting at ~2500 rpms to redline--- NOT random hwy runs or short pieces) and would wanna send them to me (pm me for email), i'd really appreciate it. The more data points in the log the better.

I do my pulls in 3rd gear, which is pretty easy to get a full range pull on the street.

I'm looking for

3.33 pulley, any cog combo, any impeller
3.12 pulley, any cog combo, any impeller
2.87 pulley, any cog combo, SC impeller
even the 2.62 pulley, any combo

I would add the findings to the vortech sticky, and this way people could see on average what any mechanical change would have on their current steup, in terms of boost and when it comes on.

 

Might wanna post this in the Tuning Forum...

 

D'oh

thanks, I'll cross post, mods feel free to move this thread!

 

As soon as I get my 2.87 setup tuned, I'll shoot you over my boost log.

 

^^ thanks. if you had any other pulleys to break in with, those logs would be useful as well!

Thanks!

 

I'm going right to the 2.87 ... probably won't even spin it up with the 3.33 - but if I do, I'll send you over what I have.

I can post AFR logs as well once it's fully tuned along with my setup details.