My dyno number were on a dynojet dyno, I did a few exhaust mods but with the exception of throwing a new set of valve springs in there, the motor was stock - 1 5/8 shorty BBK headers, single cat and 3" Flowmaster exhaust

I never dyno'd the car before I put the blower on so I don't have any before and after numbers but I do have some before and after track numbers.

Before the blower the best the car ran ws 13.67 @ 100.5, first pass after putting the blower on (w/ 7#'s boost) it ran 12.43 @ 110.93

Marc

 

My friends Z had nothing more than JB 1 5/8 headers and 8 psi made 365 HP.I don't know what it was befor the supercharger. My car with LT4 heads and HOT cam. 1 3/4 headers, 52mm TB and 3in exhaust made 315HP. I added 9 psi of intercooled boost to get 426HP. Both cars are autos.

 

For you guys who installed it on a relatively stock engine, whats the torque curve look like? how much peak torque does it gain, and where does it peak approx?

 

I still say it's harder then people our making it sound to gain that kind of power . I have a 383, afr heads. vortech t-trim custom aftercooler ect... but, during my initial tune I made 346 rwhp on 8.35psi . i had shorty headers (crap) and 1.6rr .Also when I started this little project I thought i'd be happy with 6-8psi, but now 2years and about 20 grand later i amk running 14psi and have still aways to go . Just be prepared if you do choose to go this route to spend the money .

Ben

 

Amen Brother.....My wife is still mad.....

 

I would say your intitial tune was way off or your combo wasnt setup right. I made 301rwhp/338rwtq with bolt-ons only (stock motor and SLP shorties). I would hope strapping on 6psi would have gotten me atleast 380rwhp. Vortech advertises 130+hp at the flywheel. I ended up going the all motor route and made 383rwhp/353rwtq with heads/cam.

I guess it all depends what condition the car is in. If he is pulling 250rwhp where he sits right now, then he may see ~340-350rwhp. However (seeing as most M6 cars dyno 250-260rwhp stock) I should hope he would be near 290rwhp before strapping the blower on. I think low numbers have to do with tuning as well. I raced a local guy back when I had bolt-ons. He had LT4 heads/hotcam and #8 blower. We raced from a 60-100 roll and I put a couple cars on him. He knew it wasnt running right. He dynoed it and it made 28#?rwhp. He got it dyno tuned and finished over 400rwhp (I believe it was 440rwhp).

 

I believe its in the tune as well..also potentially having mismatched combinations. Its really hard to say without dynoing before the blower, and after the blower to see how much it really gains you...and that is really the only way to know.

Thanks for all the heads up so far. I know its gonna cost some $$..but that is fine. Once I get the Vortech installed, I am gonna keep fiddling with my car until I am happy. and who knows what consequences that will mean down the road.

 

Here is a link to the dyno runs I did on my stock motor back in the day, this was with Shalin Patel doing the tuning, the car started out making 374 and after Shalin's tuning it made 393.

http://www.geocities.com/marc94z/dynoruns.html

Here is the rest of the dyno graphs and some dyno video's from my tuning day with Shalin.

http://www.geocities.com/marc94z/dyno.html


Marc

 

Nice, your car sounds mean as hell in those vids. love the SC whine. based on your sig, its probably substantionally meaner now

 

CHECK THIS THREAD......
if you dont care about cost, have someone one good do it for you. it was a huge pain to put the kit on!!!!! changing the cam and rocker arms was easier!!!

the only thing i like about putting it on myself is that i know it is done right and im familiar with it incase something is wrong.

 

Talk to this guy, sounds high to me! Stock motor, no mods, with what kind of blower?

 

Thanks, it does sound pretty good

I'll have to get a dyno video of my new setup.

The old P600B was a lounder blower as compared to my D-1, go figure

Marc

 

That price sounds okay.

I would seriously think about adding an aftercooler in there also if you want to make outrageous power.

I replaced my procharger P600B setup with the vortech V2 earlier this year. Man, the vortech has been really impressive. It seems more responsive and makes more torque than the procharger did. Also, the aftercooler seems to work much better than the intercooler (twins), especially when it is hot outside (it's hot all the time out here in Socal). All this with only an 8 rib belt. The ati uses a 12 rib. I always had issues with the ati belt setup. I've had no issues at all with the vortech, everything is aligned perfectly.

I haven't dynoed the vortech yet, but it feels stronger than the ati, and the ati dynoed 525 rwhp.

 

your dynoing 525rwhp? what compression ratio are you at and how much boost are you running?

 

I did that with the procharger. With the more restrictive exhaust (edelbrock shorties and single cat, stock mid pipe) it made 480 rwhp. My compression is 9:1. The boost was 10-11 pounds.