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Electric vacuum pump

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cool40
tconnection
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Post  tconnection January 21st 2013, 11:46 pm

Electric vacuum pumps that come out of factory vehicles, are they good to use on drag race 580ci 14:1cr?
Thanks

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Post  cool40 January 22nd 2013, 12:09 am

no....they wont pull enough.
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Post  tconnection January 22nd 2013, 12:38 am

OK, thanks!

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Post  richter69 January 22nd 2013, 12:45 am

they work fine for removing moisture, but thats about it. They will provide about 4-5 " and thats about it.
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Post  tconnection January 28th 2013, 2:40 am

About how much is needed?
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Post  dfree383 January 28th 2013, 2:42 am

tconnection wrote:About how much is needed?
Thanks

Whats the application?

Wet Sump...... About 10-12 no more or you'll have issues with oiling.
Dry sump and special parts and coatings....... a bunch more.
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Post  tconnection January 28th 2013, 3:02 am

580ci 14:1, wet sump, low tention ring set.

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Post  rmcomprandy January 28th 2013, 11:01 am

tconnection wrote:Electric vacuum pumps that come out of factory vehicles, are they good to use on drag race 580ci 14:1cr?
Thanks

The only electric vacuum pumps that I know about which have the power to pull enough vacuum in the crankcase are the ones that are used on Pro Stock cars. They are special built and around $2,000.00 to get one.

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Post  dfree383 January 28th 2013, 12:04 pm

[quote="tconnection"]580ci 14:1, wet sump, low tention ring set.[/quote

Need to keep it at about 10-12# much more and you'll have oil pressure and wear problems from no oil splash.
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Post  tconnection January 28th 2013, 11:18 pm

What about the evac system that uses the check valve in the collector? About how much they will pull or it will depend on a number of things?

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Post  richter69 January 28th 2013, 11:25 pm

less than the smog pump deal
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Post  tconnection January 28th 2013, 11:53 pm

Are you talking about the electric smog pump from a vehicle?

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Post  richter69 January 29th 2013, 12:16 am

yes, not the 2000 dollar prostock deal
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Post  tconnection June 10th 2013, 3:14 am

The crank case evac system that im using is for sure pulling moisture but im not totally sure about vac.
What about the COMP electric pump that suppose to pull 12,15 or 20''? I think it has a regulator.
Thanks

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Post  tconnection June 11th 2013, 11:34 pm

What about two of the cheaper electric pumps hooked up, One to each valve cover? Should get about 10'', u think?

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Post  chuck June 12th 2013, 4:53 pm

The one I use on my car keeps it from pushing oil past the gaskets, when I use nitrous. I know it's not ideal for horse power, but it works for what I intended.

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Post  tconnection June 12th 2013, 7:23 pm

Hey Chuck, that pump gotta b pulling some vac then. Where can I get one from? You are talking about electric, aren't ya?
Thanks

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