Re: Whats do you recommend
Quote:
Originally Posted by pjmoreland
A stock L31 engine block isn't machined to support the use of a mechanical fuel pump, and the stock cam doesn't have a lobe for the fuel pump push rod. This means you'll need to add an electric fuel pump, which you would be doing anyway if you're switching to fuel injection.
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Some blocks were machined for a mechanical fuel pump - mine was. The easy way to know is to look for a block-off plate. If it's present, the block was machined for a mechanical fuel pump. As far as the cam, you might want to change that anyway. I went with the GMPP HT383 cam.
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