Hey guys I'm fitting the walbro 255 pump into the original pump housing, I need little help I want to make sure I get it right,

Here's the old and new pump






I see how rich fitted the top in this picture







But its the bottom I'm not how it goes, and its different to the standard pump, any help with be very much apprecaite

Not really , wouldn't have any pictures?!


If its to difficult I'll just scrap the idea, but I'm sure someone must of fitted one?

Don't do it. In the bottom of the pot is a non return valve which you almost certainly have to remove to get the pump to fit. The non return valve stops the fuel leaving the pot under cornering so you don't get fuel starvation, if you remove it the pot empties in seconds and you'll get fuel starvation. I did eventually get one to work but I had to drill the side of the bottom of the fuel pump, and used a bit of copper pipe sleeve, a hose clip and a bit of alloy pipe to make a pipe inside the pot from the new pump, and I only did that because I had qualifying the next day, otherwise I wouldn't have bothered... Save yourself some heart ache and wasted money, run the standard fuel lines into a swirl pot and a higher pressure external pump from there.

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Oulton Park in a BTCC 306 vid 1
Oulton Park in a BTCC 306 vid 2
Lap of the 'ring

Cheers guys I will scrap that idea, swirl pot and pump then :-)

Been looking for standard pump, mines the walbro erj 237 , keep getting the walbro erj 197 coming up is this the same pump ?

Bottom of the pump housing hole is smaller, on that pump looks big hole on bottom?,


Can anyone else let me no if that pump Ricky has said would work?

205 pump housing might be different

You haven't got any pictures of fitting it?

Yours is different have a look at my top picture, it want fit in hole at bottom of housing the 255 is ofset

Your setup want fit in mine, different connections, shame it isn't straight swop could of put your style in