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Need a Merc fuel pump - got one?

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Old 07-29-2005, 08:22 AM
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Default Need a Merc fuel pump - got one?

I need a Merc fuel pump. Part # 842429T
Merc has come out with a superceded part (don't have that #) I do NOT want the new part, I want to old version.

This fuel pump is the type that mounts to the sea water pump.
Anyone have this? I need one (maybe two)

I have the new type, and I don't think they pump as much fuel as the old ones.
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Old 07-29-2005, 10:07 AM
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Default Re: Need a Merc fuel pump - got one?

If you need more flow, cp sells this mod for your type pump http://www.cpperformance.com/detail.aspx?ID=939

I have made this upgrade on a 509 560hp bbc for a buddy with the carter m61045. It works fine. You just swap out the valve body. Or you can use the M5901P which allows you to use your stock lines (the pump arm is not the same as a block mounted pump, so you cant use the whole pump) http://store.summitracing.com/defaul...h.asp&N=400415

If you buy the carter BBC pumps make sure they have six screws holding them together round the edge. I think they all do.

CP's mod looks very much like the m61045 pump valve body.

Last edited by Wobble; 07-29-2005 at 10:15 AM.
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Old 07-29-2005, 10:11 AM
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Default Re: Need a Merc fuel pump - got one?

The CP pump says in there description

estimated 120 GPH
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Old 07-29-2005, 10:19 AM
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Default Re: Need a Merc fuel pump - got one?

Strip,

I just edited my last post. I found the box for the Carter pump I used, the m61045.

Doubt their flow numbers, but it pumps plenty for 560hp, no need for a fuel regulator.
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Old 07-29-2005, 11:08 AM
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Default Re: Need a Merc fuel pump - got one?

Quote:
Originally Posted by Wobble
Strip,

I just edited my last post. I found the box for the Carter pump I used, the m61045.

Doubt their flow numbers, but it pumps plenty for 560hp, no need for a fuel regulator.

cool


Yea i dont like when they say estimated on egines
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Old 08-06-2005, 09:38 AM
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Default Re: Need a Merc fuel pump - got one?

Bill, Hi Ihave a similar problem. I do not have the proper fuel pump to mount to the seawater pump. I am trying to avoid electtric pumps and wanted to do this upgrade to feed my 565's. Any help would be great. Dave H.
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Old 08-06-2005, 05:43 PM
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Default Re: Need a Merc fuel pump - got one?

Quote:
Originally Posted by Wobble
CP's mod looks very much like the m61045 pump valve body.
It is I have one from CP and one I picked up a a speed shop. The speed shop one was half the price also.
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Old 08-06-2005, 07:45 PM
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Default Re: Need a Merc fuel pump - got one?

Quote:
Originally Posted by KCHOTBOAT
It is I have one from CP and one I picked up a a speed shop. The speed shop one was half the price also.
Cool,

Ive been thinking that for a while, nice markup for CP
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Old 08-07-2005, 12:23 AM
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Default Re: Need a Merc fuel pump - got one?

How about the fuel pump off of the 500 efi's and the 575 sc's? Its part number 849930T1. I don't know it thats the part number you got for your superceeded part but you'd think if Merc sells that for 575 hp it should be good for your application.
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Old 08-07-2005, 12:35 AM
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Default Re: Need a Merc fuel pump - got one?

buy the cv products billett pump fits the sea pump 8psi at full throttle its kind of pricey but all fuel problems solved fred at trick sells them.
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