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999 Views 9 Replies 8 Participants Last post by  AJ Powell
I have a 400 sbc with an F2. I have been getting different opinions on wether I need to run a vacuum pump on my motor. I see guys both with and without so I am asking people their opinion on the matter. Do I need to run one or not? I am planning on 20 to 25 psi of boost. Thanks!!!
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I don't run them on boosted applications...You should be running very high tension oil rings with lots of boost... These pumps are common with low tension oil rings in NOS and N/A motors where every last bit of power is needed.There is soo much power with a blower you're not giving up anything.....Look at any Blown Pro Mod you just don't see pumps... You want a large catch tank vented to each valve cover... Hell even the fastest F3 Procharged drag radial car doesn't run a pump good enough for Steve.....
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