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Racing Fuel Systems • View topic - MAB effect on main circuit

MAB effect on main circuit

Re: MAB effect on main circuit

Postby GTO Geoff » Sat Aug 27, 2022 6:50 am

RHD,
Don't tell me to move on. You started this rubbish with all sorts of characterisations of me & I replied. I will move on when I am ready, not when you are.
I have never knowingly purveyed BS as you so quaintly put it.
I have been wrong many times & admit it when I am. You might not see it on this forum because I do not post much here.
While I do not like Holleys, I have used them & know how they work. The AB in a Holley works exactly the same way in a Carter, Stromberg, Weber etc, there is no voodoo magic about it.
"Are we straight?" Nothing about me forcing somebody to comply with my opinion. What it meant was: this is what I am saying, do you understand?
GTO Geoff
 
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Re: MAB effect on main circuit

Postby Right hand drive » Sat Aug 27, 2022 7:08 am

Right hand drive
 
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Location: Victoria Australia

Re: MAB effect on main circuit

Postby GTO Geoff » Sat Aug 27, 2022 8:36 am

Look, we can all have our say & hopefully be friends. When I believe I am correct, I am like the energiser bunny, I just keep going.....
People can decide whether or not they want to believe what I say.
GTO Geoff
 
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Re: MAB effect on main circuit

Postby CDN » Sun Aug 28, 2022 2:45 am

UPDATE made a bit of progress but still not where I want cruise afr to be
Changed PJ from 83 to 80 driveability still good no change to cruise that i could see
Changed MAB from .028 to .025 did not see any real chsnge in fact it “seemed like it started mains sooner but just slightly
Then changed IAB from .057 to .075 that made almost a full point change leaner but still ar 13 in cruise
Plan to put .028 MAB. Back in to retest with the .075 IAB
dont see these AB changes of getting me there
NEXT STEPS should I consider Transfer slot restrictors ( BLP Billet base plate so dont know what size the t slot is compared to the original Holley base plate ANYBODY KNOW ? )
Or should I change the .035 IFR TO .031 ??
Not sure what I should try first
T slot restrictors or IFR ??
Working on 1800-2700 rpm leaner cruise
Tks
CDN
 
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Re: MAB effect on main circuit

Postby 440Duster » Sun Aug 28, 2022 3:06 am

Personally I would reduce the IFR to .033 or .031, readjust mixture and then go from there. My guess is it may want a smaller IAB then.
440Duster
 
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Re: MAB effect on main circuit

Postby CDN » Sun Aug 28, 2022 4:05 am

CDN
 
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Re: MAB effect on main circuit

Postby Right hand drive » Sun Aug 28, 2022 4:10 am

Do IFR.

Where is float level?
Right hand drive
 
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Re: MAB effect on main circuit

Postby CDN » Sun Aug 28, 2022 4:34 am

Float level 1/4 up sight glass 6 psi fp
So try smaller IFR before touch T slot Tks
Wish I knew the BLP baseplate t slot size compared to original holley BP
Cant find that info anywhere
Ive heard it does not need restricting ??
CDN
 
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Joined: Wed Mar 24, 2021 4:19 pm

Re: MAB effect on main circuit

Postby Right hand drive » Sun Aug 28, 2022 4:44 am

Right hand drive
 
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