CHarris

iTrader: (5)

Has anyone done a dyno with a LS6 or Fast 90 FI setup against a Victor?

Any before and after numbers? I've serached the dyno section and the FI section and come up with nada. I know the benefits of the Victor vs the others... but what were the numbers?

Thanks to anyone who can share experience!

Also was there a drop in IAT's (or any way to measure it)?

cablebandit

iTrader: (37)

i'd like to know as well from a FI standpoint

Inspector12

iTrader: (29)

All the info I have read says that up to 10-12bls of boost not a lot of difference in any, but as the boost rises 15+ lbs the Victor jr starts to shine. Most of the info I've seen has been in magazines. There was a guy here on the board that did back to back pulls with a LS6 and a Fast 90/90 set up and he lost @20rwhp and 18lbs of tq with the Fast, but that was with only 8-10 lbs of boost that was a while back when they first cam out I don't know the exact details of his set up I am just passing on what little info I have read and definatly not from personal experience as of yet.

Slowhawk

iTrader: (12)

408ci T88
LS6 against Victor at 14lbs

The victor runs alot smoother under boost,Intake temps dropped 25+ degree's,gained 60hp/60tq in the midrange,pretty much the same peak #'s because the Turbo held the same boost level. A Supercharged car will probly make more HP due to boost increase.

CHarris

iTrader: (5)

Thanks for dropping some info in this thread Slowhawk and Inspector 12! I knew it was out there somewhere!

Anyone else got some info to share?

Thanks!

Wet 1

iTrader: (4)

Don, why did/would the intake temps change going from one to the other? I'm half asleep, but I can't see why that would change. What am I missing?

CHarris

iTrader: (5)

I'm assuming less friction from airflow and compression (from building boost)?

Slowhawk

iTrader: (12)

I'm figuring efficiency. The rear cylinder's have more heat from running leaner than the rest/pass it to the Turbo/heat goes to inlet side of turbo/through the intercooler? Either way that is the info I got from scaning the different setup's on very close day temps. I just know it worked good

JMBLOWNWS6

iTrader: (17)

Dam man. I want to switch my setup and I havent even started the car.

Wet 1

iTrader: (4)

Hmmm, I slept on it and I'm still not sure I'd buy into the temp drop... I wonder if there was another reason for the change or if it was just an fluke?

Regardless, it sounds like the way to go for FI. 60/60 is pretty damn impressive in the mid range (like it needed it!), what happened on the bottom end? I assume there was a little drop? Any down sides to going this route?

BTW, how tall is this intake w/o the elbow compared to say an LS6? How much of a bump in the hood would you need to fit this thing in a C5?


Thanks again Don for your input!

PurEvl

iTrader: (2)

well its documented that the victor intake is supposed to help with the dreaded number 7 an 8 pistons so who knows...but both days where in the 40-50's and nothin changed.


And in all honesty, i didnt notice anything different down low...i did notice it comes in alot smooth and also the boost was instant in 3rd gear...actually too quick as it surprised the **** out of me.

LSONE

iTrader: (1)

GMHTP reported a 90hp gain on a supercharged car a few months ago.

Wet 1

iTrader: (4)

I'd think there would be a small hit down low, but who really cares about that? What does surprise me is that you really didn't gain much on the top end... I expected there would be a little bumb in the mid range power, but I expected to see most of the benefit above 5500 rpm.

Would you guys mind posting a couple dyno charts to compare the two (assuming no other changes were made and they were run with comparable tunes)? I'm sure people would like to see these results going forward.

Thanks again guys!

PurEvl

iTrader: (2)

i dont have the graphs, dont really care since its not even tuned with the 2 bar thats going in next week or so. Its going for 16psi for street tune, if Don actually has the graphs then its up to him. I dont care what its doing right now to tell the truth since its not the final setup

Wet 1

iTrader: (4)

No big deal, I just made the suggestion so others who are thinking about changing over the intakes have some good data to compare.

Keep us posted with your updates next week!

stevieturbo

Why would the boost increase ? Surely if the manifold is free-er flowing the boost would drop ??

Or do you mean if you re-pullied for same boost as Lsx intake it would make more power ?

Slowhawk

iTrader: (12)

The Turbo provides boost by manifold pressure-not a belt drive.So when you have 14lbs dialed in it doesn't matter what restrictions you have,the Turbo will adjust to it's setting.

With the 408 motor there was no hit at all.Maybe a smaller ci will see it.But the 4.8L I just put one on feels just as strong as the stock truck intake down low We very rarely print out Mike's runs.No reason too since we keep changing things

Slowhawk

iTrader: (12)

i shouldn't say boost increase,should say HP increase with the possibility of less boost pressure. We had a car 2 years ago that made 1 pound of boost but gained 100rwhp more than stock. Kind off weird but efficient