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Old 02-13-2011, 08:42 AM
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electric water pumps

HI guys I'm new here so bear with my lack of posting knowledge and spelling. I was wondering about the relyability of an electric water pump for street use. I know it's an expensive change, but has anyone had problems with them on the street? I'm running a sbc 383, 11.5:1, aluminum heads, lunati cam. It doesn't have a problem coolong presently, but the look of the electric pump fits with the theme of my ride. Any help would be appreciated.

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Old 02-13-2011, 08:51 AM
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Sorry for the dumb question. After I started the thread I found my answers on an old thread from 2006. I'll just save my money and spend it on 110 fuel.
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Old 02-13-2011, 02:03 PM
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Why such high compression? Thats would suck to have to buy 110 fuel for a street car.
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Old 02-13-2011, 03:55 PM
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I actually get away with 100 octane and it's available at a local station. Last year it was about $5.69/gal. I'm afraid of it this year.
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Old 02-13-2011, 04:23 PM
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Thats a rediculous price for gas. Thats why i never go higher than 9.5:1
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Old 02-13-2011, 04:31 PM
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You're in the midwest, E-85 would be right up your alley. You have the ideal situation for it.

Myself and friends run electric waterpumps on the street without problems, even with partially block filled engines. We use the higher(55gph) flowing models, but some in out crowd are having no problems with the less expensive 37gph models like the Proform.
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Old 02-14-2011, 07:19 AM
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Thanks Eric I never thought about E-85. How dumb of me! I will look into what it will involve to convert my ride. If there are any quick conversions I would appreciate any input. Maybe a 70:30 mix of E-85:100 would work? Do I need to change fuel pump, what about the inside of my an hoses or the anti slosh foam in my fuel cell?
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Old 02-14-2011, 08:17 AM
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In my looking into E-85 it appears the gasoline content is enough that it doesn't require changes to the pump and lines, as las they are big enough. They will need to handle about 30% more volume, so if they can do that you should be fine. I'd say 1/2" line and a 120gph pump for 500hp. Just the carb needs metering changes, I haven't been able to find much good info on that. Most carb specialist who post online won't reveal much, want you to pay for the conversions they do.

You might send a PM to Thumpin455 here at Hotrodders, I've seen him post that he has a few E-85 carb conversions under his belt.
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Old 02-14-2011, 03:10 PM
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Thanks for the info Eric, I sent a pm to thumpin455. Hopefully he can help. Maybe I can still do the electric H2O pump. I was going to install a couple of bungs and do it all in -20 braided. That's where a lot of the cost is also. Has anybody ever used any USED an fittings?
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