Is the Fuel Pump for a 1.5 CIH Different than for a 1.9?

kwilford · 01-21-2003

I recently bought a NOS fuel pump off ebay. It is an APG model, and matt@always-jaguar.com listed it as from a '68 Kadett with the 1.5 litre CIH (the only year they were made, and I used to own one).

I bought it just 'cause it was cheap (I think I may have out-bid Alan Clift for it!), but is it OK for my stock low compression 1.9 engine? It looks exactly the same as the original stock unit on my engine, except the hose connections are a slightly smaller diameter. Anyone know if it will deliver sufficient fuel for my engine?

TIA

kwilford · 02-06-2003

Anyone have any idea about this?

Tomzgt · 02-06-2003

I'm not sure if this helps, but I used to own a Kadett Wagon of the same year and the fuel pump constantly vapour locked. (Nothing that 45 minutes standing around waiting for it to cool off wouldn't cure..). I ended up bypassing the OEM pump with an external electric pump.

If you want to test fuel flow rate, why not disconnect a fuel line and measuring volume during a cranking test. (and now a few words about shop safety..) I suspect that if fuel flow for the 1.5 fuel pump is of lesser capacity than the 1.9, it may only be an issue during sustained full throttle conditions, an unlikely scenario for a collector car. btw, the 1.9 OEM fuel pump part number in 1971 was G816030.

Tom

01-21-2003	#1 (permalink)
kwilford Über OpelGT.com Moderator Join Date: Mar 2002 Location: Calgary, Alberta, Canada Posts: 4,087 Real Name: Keith Wilford Provided Answers: 4	Unanswered: Is the Fuel Pump for a 1.5 CIH Different than for a 1.9? I recently bought a NOS fuel pump off ebay. It is an APG model, and matt@always-jaguar.com listed it as from a '68 Kadett with the 1.5 litre CIH (the only year they were made, and I used to own one). I bought it just 'cause it was cheap (I think I may have out-bid Alan Clift for it!), but is it OK for my stock low compression 1.9 engine? It looks exactly the same as the original stock unit on my engine, except the hose connections are a slightly smaller diameter. Anyone know if it will deliver sufficient fuel for my engine? TIA __________________ Keith Wilford working on my '71 GT and '75 SportWagon Last edited by kwilford; 02-06-2003 at 02:12 AM.

02-06-2003	#2 (permalink)
kwilford Über OpelGT.com Moderator Join Date: Mar 2002 Location: Calgary, Alberta, Canada Posts: 4,087 Real Name: Keith Wilford Provided Answers: 4	Hello??? Anyone have any idea about this? __________________ Keith Wilford working on my '71 GT and '75 SportWagon

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02-06-2003	#3 (permalink)
Tomzgt Opeler Join Date: Dec 2002 Location: Canada Posts: 7	I'm not sure if this helps, but I used to own a Kadett Wagon of the same year and the fuel pump constantly vapour locked. (Nothing that 45 minutes standing around waiting for it to cool off wouldn't cure..). I ended up bypassing the OEM pump with an external electric pump. If you want to test fuel flow rate, why not disconnect a fuel line and measuring volume during a cranking test. (and now a few words about shop safety..) I suspect that if fuel flow for the 1.5 fuel pump is of lesser capacity than the 1.9, it may only be an issue during sustained full throttle conditions, an unlikely scenario for a collector car. btw, the 1.9 OEM fuel pump part number in 1971 was G816030. Tom

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