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alcohol for enrichment on an NA setup....

This is a discussion on "Alky for enrichment on an NA setup...." within the Normally Aspirated Engines forums. This forum, and the thread "alcohol for enrichment on an NA setup.... "are both part of the Engine Specific category;

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Old 06-30-2007   #1 (permalink)
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Default Alky for enrichment on an NA setup....

So heres the idea.... I've got a 5.0 mustang stock block, alum heads cam headers and intake. Still running stock 19lb injectors. Problem is I need 24lb injectors to have the proper fuel for my HP levels.

SO... I was thinking that instead of spending $300 on injectors and $300 on a MAF configured for those injectors I could slap on one of your basic universal kits and a WOT switch.

I'd need a total flow of 24lbs of fuel delivered from the pump. SO I'm guessing since I'm using methanol I'd need around 28lbs of extra fuel?

What nozzles size would you suggest for this? And will the pump keep up with the demand? Also do you think the alcohol will distribute equally to all cyl's?

Thanks

Last edited by forcefed86; 06-30-2007 at 05:18 PM.
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Old 06-30-2007   #2 (permalink)
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Default Re: Alky for enrichment on an NA setup....

To figure flow on this and still be pretty accurate you use the weight of methanol 6.63 per gallon x 7GPH of nozzle divided # of pistons should = 5.80 + your current injector size = 24.8lbs injectors.

Most moder cars intakes are designed to flow equal amounts of air to each cylinder. We would suggest you keep the nozzle as close to the TB as possible.
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Old 07-01-2007   #3 (permalink)
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Default Re: Alky for enrichment on an NA setup....

Using 20,900 BTU/lb of gasoline, and the remainder of what you need(24lbs - 19lbs = 5lbs), it works out to about 2gph(1.86 or so), but that's per-cylinder. Roughly 15gph.

Pretty sure the big dually diesel guys flow that much water.
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Old 07-01-2007   #4 (permalink)
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Default Re: Alky for enrichment on an NA setup....

Thanks guys.... I think I'll give it a go!
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Old 07-01-2007   #5 (permalink)
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Default Re: Alky for enrichment on an NA setup....

You should be able to find a MAF and injectors for much less than $600, especially if you are looking in the classifieds at the corral, and can handle used.
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