so i put in my votech the other weekend and cruised around on it until i could get it dyno tuned. Thanks to Tim at Speed Force Racing we got it tuned and found some unsuspecting horse power figures.

my first run on the previous owners SS box tune was 383 whp and my a/f's were around the 10.1 range. Tim leaned it out a bit and kept it conservative for me and leaned it no leaner than 11.1 and retarded the timing a few more degrees for me to keep it somewhat safe.

final results were 405.3 WHP and around 348 tq. this is on 91 octane pump gas.
my mods are,
- stillen TD exhaust
- motordyne plenum spacer
- vortech with what we think is a 3.12 pulley (still using FMU and fuel pump. stock injectors) but getting a surprisingly high boost at redline.


now, i bought it thinking it was the 3.12 pulley and even had the 3.12 pulley sized belt, after the first run, we were thinking it was actually a 2.87 pulley. but not totally sure. im seeing 10 psi at redline. not sure how high i should be seeing if it were really a 3.12 pulley. its possible i have the 3.12 pulley and different cog set up. that may be why im seeing 10 psi. i was expecting 8 psi max. your thoughts?....

heres the dyno sheets!
the black curves are the first run. this was using the previous owners tune he had on the ss box for the 3.12 pulley. and the red lines are my final results after tweaking the tune that was on there already.

as you can see, i gained nearly 130whp in the midrange from Tim tuning it properly.
I would definitely recommend Tim at Speed Force Racing to tune your car. he knows what hes doing, extremely well. thanks for all your help Tim!
<a href="http://s3.photobucket.com/albums/y68/charlesdean1/?action=view&current=dynocharles2.jpg" target="_blank"><img src="http://i3.photobucket.com/albums/y68/charlesdean1/dynocharles2.jpg" border="0" alt="Photobucket"></a>

<a href="http://s3.photobucket.com/albums/y68/charlesdean1/?action=view&current=dynocharles.jpg" target="_blank"><img src="http://i3.photobucket.com/albums/y68/charlesdean1/dynocharles.jpg" border="0" alt="Photobucket"></a>

 

Nice !

You should go ahead and take it to redline on the dyno instead of stopping at 6250rpm's . Might have gotten 11.5psiout of it

 

Nice!

You can just measure the diameter of the the pulley to determine what it is. That's what I had to do when I got my used kit

 

thats hitting rev limiter actually. graph just doesnt say what rpm its at. its some weird increment on the chart. but rev limiter is what, 6700 rpms?

 

with the 3.12 I was seeing 11 psi! But good numbers you got there bud.

 

We couldn't get a good tach signal so we did gear ratio and the rpms were off a little.

 

are those numbers corrected? seems really high on a DD

 

Nice numbers, lets see some pics of the car!

 

congrats...+1 for pics of the car

 

Count the teeth on both of your cog pulleys and measure your pulley. You could have a 3.12 with a 34 tooth cog pulley. There are some guys out there swapping non rev up cog pulleys with rev ups. Anyway, it sounds like a perfect amount of power and boost for a stock block, I hope I'm near that number next week!

 

i'll go count the cog pulleys. thanks for the responses! im a little nervous making 10 psi of boost at redline on 91 octane. i think i'll put a gallon on race gas in for every half tank or so of 91 i put in. hopefully that will make things a bit safer. its a lot more HP than i was expecting. i wonder what it'll make when i put headers and test pipes in........

 

Awesome figures man.. would love to be up in that range when i get a supercharger that applies to the HR, cant wait!.. an yea +1 for car pics.

 

those are great #;s. prolly over 450 hp on a DJ.

 

hey thanks guys. pics of my car will be coming soon i promise! im at work and this comp will only let me on a few websites. thank god i have my350z.com. but, if you cant wait, click on my profile and search all my threads i started; i made one about my IP g35 with te37 TA's. but i will post some soon. thanks again!

 

i just checked my pullies, the pulley is the 3.12 pulley. and cog set up is 32/28 tooth set up. i guess my stock headers and cats are just making it build more boost.

 

Oh I didn't know you had cats in still......well there ya go! Sweet power with cats, wow!

 

maybe i just have a good motor. i remember racing my friend 6mt 335i bmw and it was neck and neck. and racing other g35s and winning with less mods. maybe mine reacts better than others. idk. strange phenomenon. i was expecting no more than 360 whp with those stock cats and headers.
i'll post pics of my car and engine bay as soon as i get a chance.

thanks for the positive responses! i really put a lot of time into installing the clutch/flywheel/ supercharger in one day. glad it all worked out well.

 

i couldnt get 400whp out of a 2.87 pulley pushing 12psi on a dynojet on 93 octane.

supporting mods

Greddy Evo TT
RC550cc injectors
MD 5/16th spacer
walbro 255

 

Oh no haha Hey Jason, I am about halfway through getting everything in should be done this weekend and I'm driving to Forged next week, do you want another pic of your car?

 

badass Bryan! i would love another pic. hopefully she will be in once piece by then but who knows, forged is extremely busy with Zdays coming up.