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Old 02-27-2007, 11:58 PM   #1
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Default MSD inline pump

I'm in the market for a fuel pump. Should I go with the Walbro 190HP or will the MSD inline be strong enough with the stock one?

The site lists the MSD pump as: Approximate flow is 43 gph (282 lb/hr) gasoline (specific gravity 0.788) @40 psi and 12 volts/5.4 amps. Has 3/8-in. hose nipple Inlet, 5/16-in. hose nipple Outlet

Thanks
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Old 02-28-2007, 12:53 AM   #2
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I used the MSD, IF your stock pump is up to the task it will certainly provide enough pressure. I think mine dead headed out to over 125psi (as high as the gauge went).

One draw back is that it's loud and a pain in the *** to install. I went with the Walbro 190HP Ok when I mean loud I mean INSANELY loud.

I had issues with fueling not because of the MSD, but because my stock pump was tired.

Jay
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Old 02-28-2007, 02:52 AM   #3
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I had not experience with the MSD, but the WALBRO kit that I got was pretty easy to install. took me about 20 mins to get everything done. Check this thread for installation guide.
https://www.miataturbo.net/forums/sh...walbro+install
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Old 02-28-2007, 03:32 AM   #4
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The MSD is a totally different animal than the intank walbro. It has to be put inline between the tank and the fuel rail, generally installed at the fuel filter. I think it's a good solid dependable pump, I wish I had just put the Walbro pump in to start with. I bought the MSD because it was easily avalible locally.
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Old 02-28-2007, 09:27 AM   #5
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I have the MSD (2025?) for 3 years now, no problem. At the beginning it was installed near the filter a la FM but it was too noisy,I moved it further back under the trunk inside a piece of tire tube and with some foam around the pump.
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