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08-28-2018, 08:16 PM | #21 | |
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Re: quadrajet 455ho
Quote:
In a production car , when the engine misfires the O2 sensor reads lean , and then starts to add more fuel to correct . Most production calibrations will only allow so much correction , and once it reaches that limit , it sets a code . A misfire is similar to what a two step does only more controlled . I am surprised your engine reads rich when on the two step . Hopefully a few more folks will chime in with their experiences . As far as running as big a jet with no rods , I agree , too big , but remember that this particular carb has the POE system , which adds even more fuel into the primaries at WOT . He might have to put a very small primary jet , or reinstall the power piston and primary rods . |
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08-28-2018, 10:15 PM | #22 | |
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Re: quadrajet 455ho
Quote:
Last edited by gsa612; 08-28-2018 at 10:50 PM. |
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08-29-2018, 03:30 AM | #23 |
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Re: quadrajet 455ho
when on the 2 step afr is 18-19 but afterreleasing the 2 step afr goes from 10.5-12 just before shifting to second gear. poe system blockt. best 60 foot 1.39 best et 10.69 in e/sa should change to 69 pri jet for the next race and but a gopro camera under the hood over the carburator.
Last edited by gearhead63; 08-29-2018 at 03:37 AM. |
08-29-2018, 07:55 AM | #24 | |
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Re: quadrajet 455ho
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08-29-2018, 09:56 AM | #25 |
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Re: quadrajet 455ho
it likes 36-37 degrees best but we are using vp motorsport 109 are not allowed to use leaded fuel here in Europe. our goal is go 1.1sek under index to be a little faster than the other e/sa cars here.
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08-29-2018, 10:28 AM | #26 |
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Re: quadrajet 455ho
The VP 109 has plenty of octane for your engine , I would warn you that because that fuel has no anti corrosion additives it will rust the valve seats . You would need to fog WD-40 or some other spray lube into the intake after you are done racing for the weekend .
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08-29-2018, 07:22 PM | #27 |
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Re: quadrajet 455ho
What is the elevation of the track you run at ?. gsa612
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08-30-2018, 02:37 AM | #28 |
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Re: quadrajet 455ho
the track were we ran 10.69 is 682 ft over sea level and we had 1700 ft of air.
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