“Big” centrifigual superchargers on low boost? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

eLeSthree · 12-13-2018, 10:14 PM

Since I’m currently doing some beta testing with a “new to market” centri, and I have no personal experience with other “big” centris, I’ve come to you guys for assistance.

For those who run or have run the F1X, or YSI-B centris, have you ever set them up on “low boost” or with a big pulley? Like for example: Run low boost until your forged shortblock is ready, or until you can afford one. Sounds pretty common...

I’m curious when these blowers are outside of their efficiency range. I’m assuming they hit softer or take longer to make power with a big pulley. Hence the need for the D1X or J trim blowers.

There may be a solution to bridge the gap between “streetable” blower and “track” blower.

What if you could buy one blower that hits as quick as a P1SC, and also outflows the F1X?

What pulley made your big blower a turd?

Thanks for your feedback.

bct10985 · 12-14-2018, 08:30 AM

Had a ecs kit novi 1500 with a 3.33" blower pulley and 7.5" crank which is spinning it around max rated rpm, made 14lbs. Swapped to a ysi-b same pulley everything else the same. Picked up like a tenth and 3 mph at track. Lower iats and if i remember correctly around 1lb less boost

eLeSthree · 12-14-2018, 01:31 PM

Quote:

Originally Posted by bct10985

Had a ecs kit novi 1500 with a 3.33" blower pulley and 7.5" crank which is spinning it around max rated rpm, made 14lbs. Swapped to a ysi-b same pulley everything else the same. Picked up like a tenth and 3 mph at track. Lower iats and if i remember correctly around 1lb less boost

I guess I'm just trying to figure out if those big blowers are really lazy when you run low boost on them.

It might be hard for you to tell with a 3600rpm stalled auto.

I think people are gonna be pretty impressed with this new blower coming out...

stevieturbo · 12-14-2018, 04:36 PM

The only people who say they might be turds...are the people who've never done it.

Big blowers move air. End of story.

And buy big, and hopefully you'll buy once. Although if the long term goal is never to actually utilise the bigger blower, then it seems a little pointless.

And if anything, most do run them out of their efficiency range anyway because they select too small.

eLeSthree · 12-14-2018, 06:26 PM

Quote:

Originally Posted by stevieturbo

The only people who say they might be turds...are the people who've never done it.

Big blowers move air. End of story.

And buy big, and hopefully you'll buy once. Although if the long term goal is never to actually utilise the bigger blower, then it seems a little pointless.

And if anything, most do run them out of their efficiency range anyway because they select too small.

I guess what im trying to say is that those blowers are old school, shit is changing. I started this thread four weeks too soon. I cant say anymore. Be back with facts and numbers soon.

stevieturbo · 12-15-2018, 03:49 AM

There's another thread you're in with that ESS blower.

It doesnt look like anything new vs every other centri out there. Other than the gearcase looking smaller and potentially weaker in terms of gears/bearings. But other than that it looks like a nice piece.

Size wise, no idea, but again it doesnt look huge...and certainly nothing in the F1X league.

So you're trying to fish for info whilst trying to allude to something else. It would be cool if there was a game changer out there, but I rather doubt there is given the simplicity of centris.

I'd only ever seen one compressor map for a YSi years ago, and by all accounts it was shit and only covered to about 40krpm. And lets face it, almost nobody runs them in that range.
So if the map was correct...everyone is using it far beyond it's efficiency range, and overspinning them like mad. Which the reality is otherwise in terms of their performance.

Which would also mean that their smaller units must be getting used equally, or perhaps more so far beyond where they should

Strange there are so few maps available for them though

eLeSthree · 12-15-2018, 08:34 AM

The blower pictured isnt their biggest, but it will flow 2000cfm, so it is in the F1x league. Shouldnt assume smaller is weaker.

I’m gonna shut up now and let ESS chime in if they want.

stevieturbo · 12-15-2018, 08:57 AM

The warranty will prove whether something is weaker or not...well it wont really. But it might at least give some confidence in it.

because only time will tell, and any "new" products, do not have that proof behind them

JANNETTYRACING · 12-16-2018, 07:00 PM

Quote:

Originally Posted by eLeSthree

Since I’m currently doing some beta testing with a “new to market” centri, and I have no personal experience with other “big” centris, I’ve come to you guys for assistance.

For those who run or have run the F1X, or YSI-B centris, have you ever set them up on “low boost” or with a big pulley? Like for example: Run low boost until your forged shortblock is ready, or until you can afford one. Sounds pretty common...

I’m curious when these blowers are outside of their efficiency range. I’m assuming they hit softer or take longer to make power with a big pulley. Hence the need for the D1X or J trim blowers.

There may be a solution to bridge the gap between “streetable” blower and “track” blower.

What if you could buy one blower that hits as quick as a P1SC, and also outflows the F1X?

What pulley made your big blower a turd?

Thanks for your feedback.

Back in 2010 I did back to back testing between the Vortech SI and the YSI with same pulley, both made 10 psi boost but YSI made 10 more HP everywhere.

Ted.

stevieturbo · 12-16-2018, 07:13 PM

I first used my YSi back in 2004 I think it was...the YSi was just new then. On a totally stock 5.7 LS1, pulleyed for around 10psi.

It was bloody superb, and only got better the faster I spun it over the years that followed.

eLeSthree · 12-16-2018, 08:24 PM

Quote:

Originally Posted by JANNETTYRACING

Back in 2010 I did back to back testing between the Vortech SI and the YSI with same pulley, both made 10 psi boost but YSI made 10 more HP everywhere.

Ted.

It makes you wonder why anyone would go with the smaller blower.

Quote:

Originally Posted by stevieturbo

I first used my YSi back in 2004 I think it was...the YSi was just new then. On a totally stock 5.7 LS1, pulleyed for around 10psi.

It was bloody superb, and only got better the faster I spun it over the years that followed.

Thats exactly what I’m seeing right now. Cant rev much past 5000 cause its lean, but thatll be fixed tomorrow. So far ive seen zero negatives to this upgrade.

BiggFoot · 12-17-2018, 08:47 AM

The F-1X is my first centri blower so I don't have much experience to pass on. All I can say about the F-1X is if you choose to go this route then the minimum psi you should expect to see is ~ 16 psi on the smallest crank pulley, so if your not looking for that kind of psi then the F-1X will not be your best choice.

Because I went with the cog drive I added an ATI Super Pulley/Sprag, and with this set up on the smallest crank pulley I am looking at near 20 psi (unrestricted). I am using a fabricated insert on the F-1X suction to limit the psi to ~ 17.

That said, I don't think there is any pulley that will make the F-1X a turd, lol. All I have learned about the centri is that if you want to have a little fun from a roll you better know what gear you are in (I have a stick), because you (not a pulley) can turn it into a turd if trying to roll stomp at too low RPM's.

TheInfamouSS · 12-17-2018, 04:12 PM

Quote:

Originally Posted by BiggFoot

All I have learned about the centri is that if you want to have a little fun from a roll you better know what gear you are in (I have a stick), because you (not a pulley) can turn it into a turd if trying to roll stomp at too low RPM's.

Most accurate thing I have seen posted on here in a while.

stevieturbo · 12-17-2018, 04:51 PM

Quote:

Originally Posted by TheInfamouSS

Most accurate thing I have seen posted on here in a while.

With my YSi, nowhere was it a turd.

And never think for one second that just because you dont see boost on a gauge at lower rpm's, that the blower is not assisting power. Because it definitely is.

Try running the same engine with and without the blower and it will be very clearly evident.

As for nailing the throttle at very low rpm's, the blower or anything else doesnt make that a turd...that's just bad driving if you intend to race. But even mine pulled very strongly from very low rpm if for some reason you wanted to drive like that.
It'd never be like a PD blower though, but the two are just intended for different driving styles really.

12-13-2018, 10:14 PM	#1
eLeSthree Drives: 2011 Camaro SS 6sp Join Date: Nov 2016 Location: Drivers Seat Posts: 1,904	“Big” centrifigual superchargers on low boost? Since I’m currently doing some beta testing with a “new to market” centri, and I have no personal experience with other “big” centris, I’ve come to you guys for assistance. For those who run or have run the F1X, or YSI-B centris, have you ever set them up on “low boost” or with a big pulley? Like for example: Run low boost until your forged shortblock is ready, or until you can afford one. Sounds pretty common... I’m curious when these blowers are outside of their efficiency range. I’m assuming they hit softer or take longer to make power with a big pulley. Hence the need for the D1X or J trim blowers. There may be a solution to bridge the gap between “streetable” blower and “track” blower. What if you could buy one blower that hits as quick as a P1SC, and also outflows the F1X? What pulley made your big blower a turd? Thanks for your feedback. __________________ 2011 Camaro SS---SOLD TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes...

12-14-2018, 08:30 AM	#2
bct10985 Drives: 2010 2SS LS3, 2013 duramax Join Date: Nov 2012 Location: Dover, De Posts: 1,451	Had a ecs kit novi 1500 with a 3.33" blower pulley and 7.5" crank which is spinning it around max rated rpm, made 14lbs. Swapped to a ysi-b same pulley everything else the same. Picked up like a tenth and 3 mph at track. Lower iats and if i remember correctly around 1lb less boost __________________ ECS Ysi-B, cam, Tsp 2" longtubes, Squash dual pumps, Id1300s, meth, 4L80e, FTI 3600, ZL1 3.73 diff, BMR suspension, 15" conversion, weld rts mt 275 et street R. 9.6@147mph

12-15-2018, 08:34 AM	#7
eLeSthree Drives: 2011 Camaro SS 6sp Join Date: Nov 2016 Location: Drivers Seat Posts: 1,904	The blower pictured isnt their biggest, but it will flow 2000cfm, so it is in the F1x league. Shouldnt assume smaller is weaker. I’m gonna shut up now and let ESS chime in if they want. __________________ 2011 Camaro SS---SOLD TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes... Last edited by eLeSthree; 12-15-2018 at 08:53 AM.

12-17-2018, 08:47 AM	#12
BiggFoot Drives: 2010 Camaro (M6) 1000+ HP SBE Join Date: Jun 2011 Location: Houston Posts: 1,391	The F-1X is my first centri blower so I don't have much experience to pass on. All I can say about the F-1X is if you choose to go this route then the minimum psi you should expect to see is ~ 16 psi on the smallest crank pulley, so if your not looking for that kind of psi then the F-1X will not be your best choice. Because I went with the cog drive I added an ATI Super Pulley/Sprag, and with this set up on the smallest crank pulley I am looking at near 20 psi (unrestricted). I am using a fabricated insert on the F-1X suction to limit the psi to ~ 17. That said, I don't think there is any pulley that will make the F-1X a turd, lol. All I have learned about the centri is that if you want to have a little fun from a roll you better know what gear you are in (I have a stick), because you (not a pulley) can turn it into a turd if trying to roll stomp at too low RPM's. __________________ F-1X, Cog Drive, ATI Super Pulley/Sprag ~ 19 psi Blower Cam Brodix BP BR 3 Heads Kooks LT Headers and full 3" exhaust Fore Triple Pump Fuel System with ID 1700X Injectors - E85 conversion DSS 9” Conversion (1400 hp axles, driveshaft, pumpkin) & Strange 3.70 gears McLeod RXT Twin HD Clutch & Upgraded Slave RPM Level VII TR6060 BMR Drag Suspension Package w/Strange shocks Carlyle 15" and M/T ET Street R radials 10.1 @ 143 mph 1/4 mile

12-14-2018, 04:36 PM	#4
stevieturbo Drives: it changes Join Date: Nov 2010 Location: Norn Iron Posts: 1,126	The only people who say they might be turds...are the people who've never done it. Big blowers move air. End of story. And buy big, and hopefully you'll buy once. Although if the long term goal is never to actually utilise the bigger blower, then it seems a little pointless. And if anything, most do run them out of their efficiency range anyway because they select too small.

12-15-2018, 03:49 AM	#6
stevieturbo Drives: it changes Join Date: Nov 2010 Location: Norn Iron Posts: 1,126	There's another thread you're in with that ESS blower. It doesnt look like anything new vs every other centri out there. Other than the gearcase looking smaller and potentially weaker in terms of gears/bearings. But other than that it looks like a nice piece. Size wise, no idea, but again it doesnt look huge...and certainly nothing in the F1X league. So you're trying to fish for info whilst trying to allude to something else. It would be cool if there was a game changer out there, but I rather doubt there is given the simplicity of centris. I'd only ever seen one compressor map for a YSi years ago, and by all accounts it was shit and only covered to about 40krpm. And lets face it, almost nobody runs them in that range. So if the map was correct...everyone is using it far beyond it's efficiency range, and overspinning them like mad. Which the reality is otherwise in terms of their performance. Which would also mean that their smaller units must be getting used equally, or perhaps more so far beyond where they should Strange there are so few maps available for them though

12-15-2018, 08:57 AM	#8
stevieturbo Drives: it changes Join Date: Nov 2010 Location: Norn Iron Posts: 1,126	The warranty will prove whether something is weaker or not...well it wont really. But it might at least give some confidence in it. because only time will tell, and any "new" products, do not have that proof behind them

12-16-2018, 07:13 PM	#10
stevieturbo Drives: it changes Join Date: Nov 2010 Location: Norn Iron Posts: 1,126	I first used my YSi back in 2004 I think it was...the YSi was just new then. On a totally stock 5.7 LS1, pulleyed for around 10psi. It was bloody superb, and only got better the faster I spun it over the years that followed.