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Discussion Starter #1
I put together some general guidelines for what blowers work well with what power level and size engines below.

DISCLAIMER: This is not the be all end all of what blower to run, just some general guidelines to help people who may not be familiar with Centrifugal blowers see what blowers are out there and what they are generally recommend for.



PROCHARGER MODELS:

P1-SC: Great blower for stock and mostly stock small blocks up to around 400". Recommended for up to around 600hp.

D1-SC: This is a great blower for mild small blocks and stock big blocks up to around 454" Recommended for up to around 850hp

F1/A/D: These blowers fit a good niche on the stock style vehicles that have limited room but need to make more power than a D1-SC can put out. They are good for around 1100-1200hp and will work well on motors up to around 496"

F1-C/R: These are slightly bigger blowers than the other F1 blowers and make more power as well. For the most part the C blower is good for around 1300 and the R around 1400hp. These blowers are used mostly in class racing and we normally go straight to an F1-X or F2 when rules don't limit us to the F1-C/R.

F1-X: THis is a newer series blower recommended for 400-509" engines. Good for around 1500hp

F2: This is a very versatile blower and is great on 400" and up motors. It is recommended for up to around 1600-1700hp.

F3-121: Good for max effort small blocks and strong big blocks. Good for around 2000-2100hp.

F3-130: I have not run one of these yet but it looks like a great blower for a big block in the 2000-2400hp range.

F3-136: This is the biggest ProCharger currently available and should be used on 540"+ motors in max effort builds. Good for 2700hp+
 

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What blower should I run pt2

As stated these are just general guidelines and personal experiences there will be variations on every build all hp estimates listed are RWHP. There are other units in the catalog for imports and other specialty applications if you would like information on any of those just let us know-

Vortech units


Si trim - The std. street blower for up to high 300 cubes stock or mild heads/cam intake streeters around 650hp or so.

Ti trim - Another great street blower for up to 400ci amazing unit with broad torque band and efficiency up to 800hp.

YSi trim - The std high hp street/strip old reliable unit. great for motors up to low 400ci with more race oriented parts our go to for the "1000hp" streeters or the class limited races. Will support up to 1100hp due for billet impeller upgrade shortly.

Xi trim- Race model with much more robust transmission and higher internal step up ratio. Now with billet impeller, older models are cast. Good for 1300-1400hp 400-500ci

XB105- Race model shares case and step up ratio of Xi was first billet impeller design from Vortech designed for x275 racing 1400-1500hp 400-525ci

V11/V21 XB110 - Available in both street and race cases, billet impeller amazing power capabilities can be used on heavily built street motors or full race engines 1600-1800hp+ 400-500+ ci

V28-123- The largest blower currently offered at vortech, highly efficient unit for race engines 500+ cubic inch - capable of close to 2800 hp race transmission case and step up ratio and right under 50lbs of pressure.
 

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Re: What blower should I run pt2

These are RWHP figures? If so the 123 is a bad bitch lol.
The 123 and 110 are flywheel I dont know anyone that has dynoed one at the wheel at full tilt for either yet we have seen 1500+ with the 110 but not close to maxxed - Ryan can correct that for me-
 

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Discussion Starter #7
Good info i think the F1r and F1x flywheel numbers are very conservative
Most of the numbers are. The numbers posted are where we like to run and recommend them at. Have we made more than I listed with almost every blower on the list? You bet. Do I recommend doing it unless you are class racing? Not usually.
 

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Great info, thank you so much. I been searching for this information. I plan on converting to a blower setup on my 408.. Would like to run some 8s but be streetable. I plan on using E-85 since my compression is already around 11.8! So I am looking for a F1 or a YSi trim.
 

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good info, thanks.... I'm not ready to buy yet, but it gives some info for me to think about. Never done a blower setup, but hope to soon for a street car :p
 

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Let me ask y'all a question, I noticed in all you numbers on the F3 136 and the V28 both say they need to be on 500+ CI motors, why is that? There a few reasons why I ask,

1- we are going to run a 400 CI SBC just like Gene Hectors SBC that he ran a C-rotor screw @ 125% OD and went 3.64

2- we are trying to decide if we will go with the F3 136, or the V28 123
 

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Discussion Starter #13
Read my disclaimer in the first post, general guidelines. Most on here reading this want proven combos and aren't trying to break new ground for an advantage in certain classes.

But to answer you. If you want to build a small block with enough head and rpm then a big centrifugal should work in theory.
 

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Read my disclaimer in the first post, general guidelines. Most on here reading this want proven combos and aren't trying to break new ground for an advantage in certain classes.

But to answer you. If you want to build a small block with enough head and rpm then a big centrifugal should work in theory.
LOL, always disclaimer, J/K. We will probably be calling steve for a cam combo for this.

Hey Ryan, do yall make a provalute for the vortec V28?
 

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Great info, thank you so much. I been searching for this information. I plan on converting to a blower setup on my 408.. Would like to run some 8s but be streetable. I plan on using E-85 since my compression is already around 11.8! So I am looking for a F1 or a YSi trim.
Be SURE that the stripping is conducive to running E-85 and Gas and NOT an alcohol stripped Blower. The biggest mistakes are made from lack of education of what blower works with what engine. So lets assume that the blower is the air compressor and the engine is the air tank. Just as you wouldn't put a 7 HP Compressor with a 5 gallon air tank, you would not put a 14-71 on a 350 cu in engine or a 6-71 on a 565 cu in engine. Stripping or non stripped is a HUGE consideration. Too tight, and it will overheat all the time. too loose, and it will by pass air instead of pushing the air ( air=boost)
I'll help anybody with a setup [email protected] Mike
 

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With the gear drive offered by Chris Alston now available for twin prochargers, if you’re not rule limited is there any benefit in running smaller twins over a single Blower?
 

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How come nobody mentions Rotrex? The following are just the C38 range of blowers. They also have smaller units (C15-xx & C30-xx)
Rotrex C38-61.png Rotrex C38-71.png Rotrex C38-81.png Rotrex C38-91.png Rotrex C38R.png
 
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