MULTIPLE HOLLEY TBI'S
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0).
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
MULTIPLE HOLLEY TBI'S
Okay boy's and girls. this is what I got 496bbc big roller cam ,msd 6al , tunnel ram with 2 4bbl holley tbi's ... my question is do i run both TPS OR JUST ONE....ms2 being used.ALSO do i need a daughter board to run the two tbi. or will it hold up to the load...
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kjones6039
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Re: MULTIPLE HOLLEY TBI'S
You only need 1 TP sensor.
You can run all 8 injectors using both injector outputs from MS, without any additional hardware. (4 injectors per bank)
Are these typical lo-z Holley injectors? If they are, you will need to use PWM to drive them. I am running 4 lo-z injectors on a 900 cfm Holley (ProJection) and they work very well.
Hope that helps.
Ken
You can run all 8 injectors using both injector outputs from MS, without any additional hardware. (4 injectors per bank)
Are these typical lo-z Holley injectors? If they are, you will need to use PWM to drive them. I am running 4 lo-z injectors on a 900 cfm Holley (ProJection) and they work very well.
Hope that helps.
Ken
1979 Corvette - 383 CID SBC w/ Holley Pro-Jection 900 CFM TBI, 4-85 lb lo-z injectors & Walbro 255 pump
MS2 v3 w/ms2extra 3.4.0 Release
36-1, Delphi LS2/7 coils in wasted spark, driven by v2.0 logic board from JBPerformance
Spartan Lambda Sensor from 14point7
MS2 v3 w/ms2extra 3.4.0 Release
36-1, Delphi LS2/7 coils in wasted spark, driven by v2.0 logic board from JBPerformance
Spartan Lambda Sensor from 14point7
Re: MULTIPLE HOLLEY TBI'S
thanks ken .... 