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    Mech. fuel pump failure modes?

    Guys, I have a frustrating problem with my fuel system.. and before I start ripping stuff apart and/ or throwing new parts at it, I would be gratefull for some advice... Here's the deal, I have a megasquirt EFI system fed from a high pressure pump, which is in turn fed from a the mechanical...
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    EFI return line, use emissions return?

    OK, bit of a strange heading there.. let me expand. I'm running a megasquirt EFI on my mild 318, works a treat. But after installing electric fans, average underhood temperature has incresed (fan not running all the time), and on hot days I get issues with fuel boiling in the rails as I only...
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    Get yourself an AFR meter!

    Reading through some of the posts here on carb tuning, I recognize a lot of issues I've had my self with regards to tuning carbs, be it for improved performance and response , or simply trying to sort out problems like bad idle, flat-spots, bogging etc.. For the amateur, like my self, the...
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    Intake air temperature

    Just thought I'd share some recent experience here.. I'm running a Megasquirt EFI system on the 318 in my '71 Dart, whic I'm now in the process of re-tuning after improving the cooling with a new rad and electric fans and ugrade from narrow-band to wide-band Lambda sensor. After driving...
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