Do I do a vaccum pump

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Do I do a vaccum pump

Post  BigBoy460 on December 20th 2012, 10:29 pm

So my build has been and stock bottom end stock pistons, victor rpm intake, qft 950 cfm carb, headers, ported heads stock D3s, 125 shot of nitrous , dual electric cooling fans, mechanical water pump, and edelbrock preformer fuel pump, not sure on cam yet probably the edelbrock rpm cam or somthing a little bigger, C6 Trans, posi rear 3.73 gears, and this is a street strip build,,, will be at the track as much as I can on weekends, so as you can see I want to get Hp everywhere and anyway I can I have been trying to get upto the 450 range or better and I cant afford the heads I really want, so will the Vaccum Pump help and where does the pump get intalled on a 460 engine I'm quessing a mechanical vaccum pump with a pulley is that right I have been researching but the info I am reading not helping much.......

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Re: Do I do a vaccum pump

Post  bbf-falcon on December 21st 2012, 12:46 am

Save your money in your case and give Santa a big tip. Smile

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Re: Do I do a vaccum pump

Post  BigBoy460 on December 21st 2012, 6:48 am

why is that????

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Re: Do I do a vaccum pump

Post  maverick on December 21st 2012, 9:26 am

At the HP level you're shooting for, a vacuum pump is wasted money. There are lots of other places where that money would get bigger gains.
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Post  Mark Laczo on December 21st 2012, 10:46 am

The only thing in your your build that looks out of place is the Victor intake. A performer or performer RPM/Airgap may work better in your case. With the stock dish pistons and D3 heads it will right around 8-1 so hopefully that cam will work with that comp ratio.
Is it the one that is similar to a ford racing A443 ?

JMO Mark
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Re: Do I do a vaccum pump

Post  BigBoy460 on December 21st 2012, 11:02 am

Like were esle what would you do???

maverick wrote:At the HP level you're shooting for, a vacuum pump is wasted money. There are lots of other places where that money would get bigger gains.

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Re: Do I do a vaccum pump

Post  4604X4 on December 21st 2012, 11:08 am

As this vehcile is going to be used on the street (and it being a mild build) I think you would be much better off with a smaller carb and with vacuum secondaries.
Check out the QFT HR780-VS. That is what I run and it is very impressive. The 950 is too big for "street use" and probably too bif for "strip" use based on your engine build.
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Re: Do I do a vaccum pump

Post  BigBoy460 on December 21st 2012, 12:12 pm

ok sound good and makes lots of since....

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