Search found 7 matches

by johno560
Fri Aug 28, 2020 10:06 am
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

SNGB returned a replacement pump back to me and I've had a good dialogue with them. They now acknowledge that the spec of their pump is outside of the original Lucas 2FP, both in terms of supply pressure and current drawn, but it seemed that they had not been drawn to this conclusion previously. I c...
by johno560
Wed Aug 12, 2020 8:49 am
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

Hi SNGB shouldn't have confused the 3.8 with the 4.2 since the 4.2 is not using the submerged pump. Their comment about there being no fuse in the standard harness is completely incorrect and and on a subject concerning electrical equipment submerged in a petrol tank I think this is highly irrespons...
by johno560
Tue Aug 11, 2020 11:00 am
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

Hi, The latest update is that after I sent the pump back to SNGB, they eventually informed me that the pump was working fine and as expected. I informed them that I had never said the pump did not work but only that it draws 3 times the current of the original Lucas 2FP and wont run reliably with th...
by johno560
Sat Jul 25, 2020 9:03 am
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

With the 2FP back in place in the tank I can confirm that the current is 1.2 amps max under running conditions. The new SS pump is now back at SNGB and I am waiting their conclusion if the one they sent me is faulty or if all their solid state pumps pull 3 times the current of the original 2FP
by johno560
Thu Jul 23, 2020 3:44 pm
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

That pretty much agrees with my findings. in other words the SNGB pump pulls more than 3 times the current of the Lucas pump, so definitely the original 5A fuse as fitted and specified will not be suitable. Strange thing is that the SNGB pump does not carry any instruction to increase the standard f...
by johno560
Wed Jul 22, 2020 9:02 am
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

Yes, but the issue is why should a modern solid state pump need to draw more current than a 60 year old design, after all it only needs to deliver the same amount of fuel at the same pressure as the old Lucas pump. My feeling is that the SNGB pump is probably faulty, so I am interested to know if an...
by johno560
Tue Jul 21, 2020 10:16 am
Forum: General
Topic: s1 3.8 Solid State Fuel Pump
Replies: 31
Views: 26256
Great Britain

Re: s1 3.8 Solid State Fuel Pump

I recently fitted a new solid state pump from SNGB and also replaced the badly corroded tank with a new Galvanised tank. On running the car up to temperature in the garage eventually the pump stopped and the 5 amp fuse was found to be blow. A replacement fuse was fitted and all seemed fine so I deci...