sean999 Posted May 30, 2009 Share Posted May 30, 2009 hi, i will at some point be converting my cav coupe to run 16v. my question........i have a perfectly good coupe tank, but it was used on a carbed car. can i still use this by fitting a return on it? or have i GOT NO OPTION other than to buy an injection tank. I have been told that it will have to be an injection tank as it has a swirl pot in it haven't really got clue and money's getting a but tight at the moment so i cant afford to buy something i dont really need thanks..sean999 Quote Link to comment Share on other sites More sharing options...
pat Posted May 30, 2009 Share Posted May 30, 2009 hi sean , i have known of folk just fitting a return and using it as is , if memory serves the lack of a swirl pot (which can be bought ) just meant they always kept it over a quarter of a tank to reduce surging under braking & cornering Quote Link to comment Share on other sites More sharing options...
Blockhead Posted June 2, 2009 Share Posted June 2, 2009 Yup, you can just fit a return into the carb tank but if you do nothing else be careful as Pat said- under hard cornering etc. if the feed can't get any fuel the engine is still revving hard before all of a sudden it has no fuel to burn- excess heat / piston-cylinder scoring is the result if you're not careful. Another way is to use a separate swirl pot fed from the tank by a low pressure pump and then fit the high pressure injection pump to the swirl pot then you have no problems at all but again, this will cost a bit. If you do buy a fuel tank be careful what you get- I paid a little over what I could have because it was a 'good' tank but it needed welding up anyway due to a few leaks in the bottom. To be fair the pipe fittings etc. were solid though. Quote Link to comment Share on other sites More sharing options...
stradacab Posted June 2, 2009 Share Posted June 2, 2009 I've stuck a return on the sender on Darrens 400r project. Have a look in the project section. There is enough space to fit a connector next to the sender resistor. Quote Link to comment Share on other sites More sharing options...
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