Boost by gear
Burning Brakes
Joined: May 2007
Posts: 887
Likes: 1
From: Dallas TX
No its not... The blower is a positive displacement pump; it will FORCE X amount of air per revolution; if the throttle plate closes that air will have nowhere to go and something will give; either the blower will push itself off the intake manifold or the throttle blade will bend. Maximum pressure differentials for twin screw superchargers is a lot more than just 1 atmosphere 
Le Mans Master
Joined: Oct 2007
Posts: 6,149
Likes: 11
From: Greater Detroit Metro MI, when I'm not travelling.
Oh! Sorry, my comment was for blowers located prior to the supercharger. You are right, if the throttle plate is before the blower that doesn't apply.
Melting Slicks
Joined: Apr 2005
Posts: 3,418
Likes: 1
From: Chicagoland Area IL
No its not... The blower is a positive displacement pump; it will FORCE X amount of air per revolution; if the throttle plate closes that air will have nowhere to go and something will give; either the blower will push itself off the intake manifold or the throttle blade will bend. Maximum pressure differentials for twin screw superchargers is a lot more than just 1 atmosphere
You have two mechanically coupled volumetric pumps, a blower feeding a engine. For each revolution the blower will move x amount of mass flow and engine will ingest x amount of mass flow. So if your throttle body is closed or at idle position, the blower is receiving a fraction of the flow it is capable of moving or pumping, but engine has no problem taking it away (less recirc valve), so you are still in vacuum.
Your quote above makes me think, that you are not taking into consideration either upstream throttle or engine running and blower not dead heading? Look at draw through systems (roots - 6-71, 8-71, 10-71 (with carbs), centri, turbo) they do just fine without recirc valve.
Mike
EDIT - Should have read 3rd page. Answered above.
Last edited by Skunkworks; Jan 25, 2009 at 06:04 PM.
Thread Starter
Former Vendor
Joined: May 2003
Posts: 2,173
Likes: 2
From: Dallas Texas
Plates are being shipped today, should arrive late this week, I will be attaching harnesses and switches shortly after, and then once i have a few built, we will be taking orders
I have a few PMs to tend to regarding this product, but I wanted to get a little further along in the production timeline before I committed to anything
Louis
I have a few PMs to tend to regarding this product, but I wanted to get a little further along in the production timeline before I committed to anything
Louis
Racer
Joined: May 2006
Posts: 355
Likes: 0
From: Jacksonville Florida
Eventually he'll have one for the C5
Drifting
Joined: Jul 2007
Posts: 1,351
Likes: 19
From: In a house
Im interested
Im waiting on my car as we speak, tune almost done but will be breaking in engine and clutch. Would like to know what you are charging to install and setup the Eboost2. I already have the unit new in box but just need to get it all set up. My car is an 02 Z06 with STS GT32's pushing 14lbs.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Drifting
Joined: Jul 2007
Posts: 1,351
Likes: 19
From: In a house
nothing new
Burning Brakes
Joined: May 2007
Posts: 887
Likes: 1
From: Dallas TX
yeah i know others have come up with same thing but dont want take away from LG's thread.
Thread Starter
Former Vendor
Joined: May 2003
Posts: 2,173
Likes: 2
From: Dallas Texas
I have no orders for any Boost by Gear setups. They are very complicated pieces, and as such, I make sure its what the customer needs. I suggest professional installation if its available, as there are many small nuances with ANY BBG setup and installation.
Louis
Louis
Racer
Joined: Jun 2007
Posts: 346
Likes: 0
From: deerfield beach florida
I have no orders for any Boost by Gear setups. They are very complicated pieces, and as such, I make sure its what the customer needs. I suggest professional installation if its available, as there are many small nuances with ANY BBG setup and installation.
Louis
Louis
Drifting
Joined: Jul 2007
Posts: 1,351
Likes: 19
From: In a house
cornfused
I have no orders for any Boost by Gear setups. They are very complicated pieces, and as such, I make sure its what the customer needs. I suggest professional installation if its available, as there are many small nuances with ANY BBG setup and installation.
Louis
Louis
Are you saying that you need orders in order to make it happen? Some of us are waiting on pricing so we know if we want to make it part of our plans....learn me
Jerry