Fordmods Logo

How to keep BBM open all the time? 

 

Page 1 of 2 [ 22 posts ] Go to page 1, 2  Next

 
 Post subject: How to keep BBM open all the time?
Posted: Sat Mar 08, 2008 7:37 pm 
Getting Side Ways
Offline
User avatar

Age: 31

Posts: 11103

Joined: 15th Nov 2004

Ride: AU III XR8 Pursuit 250 ute

Location: Hobart
TAS, Australia

[QUOTE=ebxr8240]Make sure the variable manifold [bbm?] is open all time with forced induction...[/QUOTE]

Any idea how to do this?

 

_________________

Heaps of performance EF/L parts for sale, including supercharged VCT motor!

2002 Ford AU Series III Falcon XR8 Pursuit 250 ute - 5.6L of V8 Windsor!

Top
 Profile  
 
 
Posted: Sat Mar 08, 2008 7:53 pm 
Getting Side Ways
Offline

Posts: 6166

Joined: 8th May 2007

cable tie the lever on the side open?
Top
 Profile  
 
 
Posted: Sat Mar 08, 2008 8:32 pm 
Getting Side Ways
Offline
User avatar

Age: 29

Posts: 975

Joined: 26th Nov 2004

Ride: el falcon

Power: 608 rwkw

Location: Waroona
WA, Australia

pull the butterflies and shaft out and plug the hole

 

_________________

# 1997 EL Falcon GLI - 600+rwkw

# 2008 FPV FG GTE - Xa Coilovers, 20x8/ 20x10 Fairladys

Top
 Profile  
 
 
Posted: Sat Mar 08, 2008 9:32 pm 
Getting Side Ways
Offline

Posts: 6166

Joined: 8th May 2007

fritzz wrote:
pull the butterflies and shaft out and plug the hole


that be the ideal way.

Even better would be porting out the guts of the bottom half, although im not sure how to go about it, cause i took the lower half to a metal fabricator to get a quote and he looked at me funny and said none of his tools would be able to do it without butchering everything?
Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 12:11 am 
Fordmods Junkie
Offline
User avatar

Age: 38

Posts: 1000491

Joined: 6th Nov 2004

Gallery: 2 images

Ride: AUXR6 HP With Ducati SupA Bike!

Location: Perth
WA, Australia

FordFairmont wrote:
fritzz wrote:
pull the butterflies and shaft out and plug the hole


that be the ideal way.

Even better would be porting out the guts of the bottom half, although im not sure how to go about it, cause i took the lower half to a metal fabricator to get a quote and he looked at me funny and said none of his tools would be able to do it without butchering everything?


it is called power porting, and a speacial thick abrasive sludge is used and pushed through the manifold to make it larger
not really worth it


id would just disconect the vacum actuactor and leave it on the long intake

if u want to get serious a new plenum would be the next step

 

_________________

RIP SCOTT

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 12:20 am 
Getting Side Ways
Offline
User avatar

Age: 31

Posts: 11103

Joined: 15th Nov 2004

Ride: AU III XR8 Pursuit 250 ute

Location: Hobart
TAS, Australia

Disco Frank wrote:
id would just disconect the vacum actuactor and leave it on the long intake

if u want to get serious a new plenum would be the next step


If I disconnect the vacum line that would mean the butterflies stay shut wouldn't it? So the long runners are being used constantly. AFAIK I'm after the oposite of this, I want the butterflies open so the short runners are avaliable constantly.

I've yet to see a plenum which retains the throttle body in the factory location area. I can't have it move to the EA-ED style as that's were the blower is.

 

_________________

Heaps of performance EF/L parts for sale, including supercharged VCT motor!

2002 Ford AU Series III Falcon XR8 Pursuit 250 ute - 5.6L of V8 Windsor!

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 12:22 am 
Getting Side Ways
Offline
User avatar

Age: 31

Posts: 11103

Joined: 15th Nov 2004

Ride: AU III XR8 Pursuit 250 ute

Location: Hobart
TAS, Australia

fritzz wrote:
pull the butterflies and shaft out and plug the hole


I was hoping for a less permanent method first to ensure that it's the right way to go...

 

_________________

Heaps of performance EF/L parts for sale, including supercharged VCT motor!

2002 Ford AU Series III Falcon XR8 Pursuit 250 ute - 5.6L of V8 Windsor!

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 12:23 am 
Getting Side Ways
Offline
User avatar

Age: 31

Posts: 11103

Joined: 15th Nov 2004

Ride: AU III XR8 Pursuit 250 ute

Location: Hobart
TAS, Australia

FordFairmont wrote:
cable tie the lever on the side open?


Does that method actually work or are you asking if it would work?

 

_________________

Heaps of performance EF/L parts for sale, including supercharged VCT motor!

2002 Ford AU Series III Falcon XR8 Pursuit 250 ute - 5.6L of V8 Windsor!

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 12:52 am 
Getting Side Ways
Offline
User avatar

Age: 64

Posts: 3552

Joined: 7th Nov 2004

Gallery: 4 images

Power: 482 rwkw

Location: Penrith
NSW, Australia

A Carbide cutting tool and air compressor etc machines alloy away in no time !!!
http://www.carbidebur.com/automotive.html

The XR6 T has no BBM...

 

_________________

As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 1:46 am 
Fordmods Junkie
Offline
User avatar

Age: 38

Posts: 5051

Joined: 5th Nov 2004

Ride: Kia Rio - 1.4L Auto

Power: 238 rwkw

Location: Westside
VIC, Australia

twr7cx wrote:
Disco Frank wrote:
id would just disconect the vacum actuactor and leave it on the long intake

if u want to get serious a new plenum would be the next step


If I disconnect the vacum line that would mean the butterflies stay shut wouldn't it? So the long runners are being used constantly. AFAIK I'm after the oposite of this, I want the butterflies open so the short runners are avaliable constantly.

I've yet to see a plenum which retains the throttle body in the factory location area. I can't have it move to the EA-ED style as that's were the blower is.


Butterflies are open (short runners) by default. When you apply vaccum, they close and you get the long runners.

So unplugging the vaccum hose and plugging it is the cheap and nasty way of getting what u want.
Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 6:10 am 
Getting Side Ways
Offline
User avatar

Age: 31

Posts: 11103

Joined: 15th Nov 2004

Ride: AU III XR8 Pursuit 250 ute

Location: Hobart
TAS, Australia

arm79 wrote:
So unplugging the vaccum hose and plugging it is the cheap and nasty way of getting what u want.


Ah cheers, cheap and nasty is perfect to test weather or not it's the way to go.

 

_________________

Heaps of performance EF/L parts for sale, including supercharged VCT motor!

2002 Ford AU Series III Falcon XR8 Pursuit 250 ute - 5.6L of V8 Windsor!

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 1:38 pm 
Fordmods Junkie
Offline
User avatar

Age: 38

Posts: 5051

Joined: 5th Nov 2004

Ride: Kia Rio - 1.4L Auto

Power: 238 rwkw

Location: Westside
VIC, Australia

twr7cx wrote:
arm79 wrote:
So unplugging the vaccum hose and plugging it is the cheap and nasty way of getting what u want.


Ah cheers, cheap and nasty is perfect to test weather or not it's the way to go.


Yes... I'm told cheap and nasty is how you like it. Good luck!
Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 3:43 pm 
Getting Side Ways
Offline
User avatar

Age: 48

Posts: 7029

Joined: 18th Apr 2005

Location: Hobart
TAS, Australia

You'll probably find it's a waste of time. you will notice lag right up to 3000rpm or over, especially if its a centrifugal blower. not only you'll notice the accelerator pedal feeling like a sponge, you will also notice a lost of power until you hit where blower makes boost. remember the parasitic lost? unless you already have a air by-pass valve.

if anything, I'll experiment with some exhaust reducer flange by jamming it in the intake tube. maybe it'll counter the lost of air speed velocity until the blower kicks in.

What do you reckon of that opinion guys?

 

_________________

Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!!

Pakrat wrote:
You can buy them seppertly

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 6:49 pm 
Getting Side Ways
Offline
User avatar

Age: 31

Posts: 11103

Joined: 15th Nov 2004

Ride: AU III XR8 Pursuit 250 ute

Location: Hobart
TAS, Australia

Slick wrote:
You'll probably find it's a waste of time. you will notice lag right up to 3000rpm or over, especially if its a centrifugal blower. not only you'll notice the accelerator pedal feeling like a sponge, you will also notice a lost of power until you hit where blower makes boost. remember the parasitic lost? unless you already have a air by-pass valve.


What about setting it so that it opens when theres boost, instead of opening at a certain RPM? I wonder if that's possible.

 

_________________

Heaps of performance EF/L parts for sale, including supercharged VCT motor!

2002 Ford AU Series III Falcon XR8 Pursuit 250 ute - 5.6L of V8 Windsor!

Top
 Profile  
 
 
Posted: Sun Mar 09, 2008 9:11 pm 
Getting Side Ways
Offline
User avatar

Age: 48

Posts: 7029

Joined: 18th Apr 2005

Location: Hobart
TAS, Australia

twr7cx wrote:
Slick wrote:
You'll probably find it's a waste of time. you will notice lag right up to 3000rpm or over, especially if its a centrifugal blower. not only you'll notice the accelerator pedal feeling like a sponge, you will also notice a lost of power until you hit where blower makes boost. remember the parasitic lost? unless you already have a air by-pass valve.


What about setting it so that it opens when theres boost, instead of opening at a certain RPM? I wonder if that's possible.


I think the BBM long runners open up around the same mark as the centri blower.

I reckon you could mod the VAC actuator so they'll open the long runners after 4000rpm. I believe theres a drop in psi around 3000 to 3400rpm when the long runners open up normally, just when the centri-blower is just winding up..............

 

_________________

Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!!

Pakrat wrote:
You can buy them seppertly

Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 1 of 2  [ 22 posts ]  Go to page 1, 2  Next

Who is online

Users browsing this forum: No registered users and 8 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Tue Dec 12, 2017 8:02 pm All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names