...

Go Back   Lateral-g Forums > Technical Discussions > LSX Conversions
User Name
Password



Reply
 
Thread Tools Display Modes
  #1  
Old 08-17-2020, 10:20 AM
Shiner's Avatar
Shiner Shiner is offline
Lateral-g Supporting Member
 
Join Date: Mar 2016
Posts: 87
Thanks: 2
Thanked 1 Time in 1 Post
Default Benefits of DBW Over DBC?

Running a 236/254 119 LSA and a Sniper 102mm TB. It’s hard to:


- Get a good stable idle that will cold start with no issue.
- Get it to quiet down, this IAC port makes a dog whistle sound
- Get the throttle to open ALL the way when the throttle linkage and pedal is adjusted.

Let me l know your thoughts. This is with the Terminator X Max. I do have the harness and LS3 TB and Pedal.
__________________
1970 Chevelle SS
408 Forged LSX, LSA Blower, 4L80E, Ridetech HQ, Baer Brakes, Weld S71b
1997 Dodge Viper GTS
Heads, Cam, Bolt On's, BBS Wheels, Moton Suspension
Reply With Quote
  #2  
Old 08-17-2020, 12:43 PM
camcojb's Avatar
camcojb camcojb is offline
Administrator
 
Join Date: Jul 2004
Location: Wilton, CA.
Posts: 11,580
Thanks: 824
Thanked 348 Times in 140 Posts
Default

I like to get the engine up to operating temp and set my hot idle speed with the throttle body screw and the IAC shut down (as closed as possible). If you have the idle timing activated, shut it off for this so the only thing controlling the idle speed is the throttle body set screw. That way it's not having to use the bypassed air just to maintain your base idle speed, and you'll have full use of the IAC when it's needed, like a/c kicking on, cold start, etc. After you set that have the idle timing activated so the ECU can use timing to stabilize the idle speed. I usually allow at least 5-6 degrees +/- at idle. I also run about 30 degrees of base timing in the idle section, most of my builds are happier there.

As far getting full throttle if you can't adjust the cable to get it then you may have to change where the cable attaches on the throttle body or the pedal itself, to get more movement.
__________________
Jody

PAST CAR PROJECTS

Like Lateral-G on Facebook!

Follow Lateral-G on Instagram!

SPECIAL THANKS TO:
Jacob Ehlers and Amsoil for the lubricants and degreasers for my 70 Chevelle project
Shannon at Modo Innovations for the cool billet DBW bracket
Roadster Shop for their Chevelle SPEC Chassis
Dakota Digital for their Chevelle HDX Gauge Package
Painless Performance for their wiring harness

Ron Davis Radiators for their radiator and fan assembly.
Baer Brakes for their front and rear brakes

Texas Speed and Performance for their 427 LS Stroker
American Powertrain for their ProFit Magnum T56 kit
Currie Enterprises for their 9" Third Member
Forgeline for their GF3 Wheels
Centerforce for their DYAD Clutch Kit
Ididit for their steering column
Holley for their EFI and engine parts
Lokar and Clayton Machine for their pedals and door and window handles
Morris Classic Concepts for their 3 point belts and side mirrors
Thermotec for their heat sleeve and sound deadening products
Restomod Air for their Tru Mod A/C kit
Mightymouse Solutions for their catch can
Reply With Quote
  #3  
Old 08-20-2020, 07:30 PM
andrewb70's Avatar
andrewb70 andrewb70 is offline
Lateral-g Supporting Vendor
 
Join Date: Jul 2005
Posts: 625
Thanks: 10
Thanked 47 Times in 35 Posts
Default

Quote:
Originally Posted by Shiner View Post
Running a 236/254 119 LSA and a Sniper 102mm TB. Itís hard to:


- Get a good stable idle that will cold start with no issue.
- Get it to quiet down, this IAC port makes a dog whistle sound
- Get the throttle to open ALL the way when the throttle linkage and pedal is adjusted.

Let me l know your thoughts. This is with the Terminator X Max. I do have the harness and LS3 TB and Pedal.
I much prefer DBW and recommend it to all of my customers. Having DBW opens up a whole different dimension for tuning, which is especially helpful with a manual transmission car.

I am also sure that some of the issues that you are having is probably related to your tune. I do remote Holley EFI tuning and if I can be of service, please let me know.

Andrew
__________________
Instagram @projectgattago
I offer remote Holley EFI tuning.
I deliver what EFI promises.
Please get in touch if I can be of service.
My YouTube Channel
Reply With Quote
  #4  
Old 08-26-2020, 07:37 AM
Shiner's Avatar
Shiner Shiner is offline
Lateral-g Supporting Member
 
Join Date: Mar 2016
Posts: 87
Thanks: 2
Thanked 1 Time in 1 Post
Default

So I did the conversion.

I will never go back to cable in my life. Drive by wires customization is simply remarkable and adds a lot more enjoyment and excitement behind the wheel. Best couple of 100 dollars I spent.


Sent from my iPhone using Tapatalk
__________________
1970 Chevelle SS
408 Forged LSX, LSA Blower, 4L80E, Ridetech HQ, Baer Brakes, Weld S71b
1997 Dodge Viper GTS
Heads, Cam, Bolt On's, BBS Wheels, Moton Suspension
Reply With Quote
The Following User Says Thank You to Shiner For This Useful Post:
andrewb70 (08-26-2020)
  #5  
Old 08-26-2020, 08:38 AM
andrewb70's Avatar
andrewb70 andrewb70 is offline
Lateral-g Supporting Vendor
 
Join Date: Jul 2005
Posts: 625
Thanks: 10
Thanked 47 Times in 35 Posts
Default

Quote:
Originally Posted by Shiner View Post
So I did the conversion.

I will never go back to cable in my life. Drive by wires customization is simply remarkable and adds a lot more enjoyment and excitement behind the wheel. Best couple of 100 dollars I spent.


Sent from my iPhone using Tapatalk
Glad to hear about your positive experience!

If I can be of service with tuning, please let me know.

Andrew
__________________
Instagram @projectgattago
I offer remote Holley EFI tuning.
I deliver what EFI promises.
Please get in touch if I can be of service.
My YouTube Channel
Reply With Quote
  #6  
Old 08-28-2020, 07:41 AM
protour's Avatar
protour protour is offline
Member
 
Join Date: Sep 2005
Posts: 57
Thanks: 0
Thanked 3 Times in 2 Posts
Default

The whistle is because you have a chinese throttle body on the engine(snipers are rebranded Alibaba). The chinese IAC port is machined poorly, wrong angle, size, etc. With a brand name one like Edelbrock or Nick Williams... Ive never had a noise.
__________________
72 Chevelle. 370ci LS, Forced inductions S476, SpeedTech Suspension equipped, C6 Z06 brakes
Reply With Quote
  #7  
Old 08-28-2020, 07:49 AM
Shiner's Avatar
Shiner Shiner is offline
Lateral-g Supporting Member
 
Join Date: Mar 2016
Posts: 87
Thanks: 2
Thanked 1 Time in 1 Post
Default

Quote:
Originally Posted by protour View Post
The whistle is because you have a chinese throttle body on the engine(snipers are rebranded Alibaba). The chinese IAC port is machined poorly, wrong angle, size, etc. With a brand name one like Edelbrock or Nick Williams... Ive never had a noise.

I definitely agree with this. The IAC port was not only small but very deep and the opening edges were very sharp. I just got a GM 87mm for $40 from the salvage yard works great.


Sent from my iPhone using Tapatalk
__________________
1970 Chevelle SS
408 Forged LSX, LSA Blower, 4L80E, Ridetech HQ, Baer Brakes, Weld S71b
1997 Dodge Viper GTS
Heads, Cam, Bolt On's, BBS Wheels, Moton Suspension
Reply With Quote
  #8  
Old 08-28-2020, 02:44 PM
protour's Avatar
protour protour is offline
Member
 
Join Date: Sep 2005
Posts: 57
Thanks: 0
Thanked 3 Times in 2 Posts
Default

Quote:
Originally Posted by Shiner View Post
I definitely agree with this. The IAC port was not only small but very deep and the opening edges were very sharp. I just got a GM 87mm for $40 from the salvage yard works great.


Sent from my iPhone using Tapatalk
Yea we have purchased many of these and modified several of the ports to quieten them down. Throttle bodies get expensive. 112mm DBW from Kong is over 1k USD. But with big power, cam shafts, air turbulence... the stock stuff wigs out, especially in turbo applications at big boost. Thus switching to cable. I actually went dbw to cable and love every single moment of it. But its great quality and it shows. Big cam, big boost, injector dynamic injectors, nick williams throttle body, stock ecu making north of 1200whp and drives like stock.

Happy to hear everything worked out and youre happy with the results! I know I miss the simplicity of cruise control and throttle closing on WOT shifts!
__________________
72 Chevelle. 370ci LS, Forced inductions S476, SpeedTech Suspension equipped, C6 Z06 brakes
Reply With Quote
The Following 2 Users Say Thank You to protour For This Useful Post:
camcojb (08-28-2020), Shiner (08-28-2020)
  #9  
Old 08-28-2020, 09:40 PM
Shiner's Avatar
Shiner Shiner is offline
Lateral-g Supporting Member
 
Join Date: Mar 2016
Posts: 87
Thanks: 2
Thanked 1 Time in 1 Post
Default

Quote:
Originally Posted by protour View Post
Yea we have purchased many of these and modified several of the ports to quieten them down. Throttle bodies get expensive. 112mm DBW from Kong is over 1k USD. But with big power, cam shafts, air turbulence... the stock stuff wigs out, especially in turbo applications at big boost. Thus switching to cable. I actually went dbw to cable and love every single moment of it. But its great quality and it shows. Big cam, big boost, injector dynamic injectors, nick williams throttle body, stock ecu making north of 1200whp and drives like stock.

Happy to hear everything worked out and youre happy with the results! I know I miss the simplicity of cruise control and throttle closing on WOT shifts!

The throttle will close on an automatic when it up shifts?

Yeah Iím only running 13# as my motor breathes so well. Thatís with a 2.45 and 9.1 too.


Sent from my iPhone using Tapatalk
__________________
1970 Chevelle SS
408 Forged LSX, LSA Blower, 4L80E, Ridetech HQ, Baer Brakes, Weld S71b
1997 Dodge Viper GTS
Heads, Cam, Bolt On's, BBS Wheels, Moton Suspension
Reply With Quote
  #10  
Old 08-31-2020, 09:20 PM
Tony V Tony V is offline
Senior Member
 
Join Date: May 2009
Location: Arizona
Posts: 134
Thanks: 0
Thanked 9 Times in 6 Posts
Default

Just my .02, DBW would be my choice but when I was looking for options there wasnít anything out there for mast 4500 flange (old school intake) but tuning and just routing a throttle cable would be much easier!


Sent from my iPhone using Tapatalk
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 08:27 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
Copyright Lateral-g.net