General Category > Quadrajet Carb Talk and Tips

marine quad

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Cliff Ruggles:
A Marine engine spends it's entire life heavily loaded, and no emission standards for them.

This requires a much different fuel curve than an automotive engine that runs at constantly different speed/load, etc....Cliff

centurychris:
cliff...does your book have the info I need to set up my marine q-jet? If not, could you please give me some guidelines to get me on the right path? Its for a 260 mercruiser....aka..a 350

Cliff Ruggles:
To build a Marine carb using an automotive carburetor you need to copy the calibration in every detail.

What to copy in terms of idle tube size, main airbleeds, idle airbleeds, bypass air, etc are all well outlined in my book....Cliff

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