QUOTE(tim_nd @ Mar 26 2012, 01:07 PM)

I just now realized this new engine that I have been piecing back together over the past few weeks isn’t the 1.8L that the PO said it was. The engine code on this engine is EA050723, which if I cross checked correctly is indeed a 1.7L
My issue is, I have been transplanting my old 1975 1.8L Ljet fuel injection parts on this 1.7 block. Can I run Ljet on this 1.7L engine? What obstacles am I up against? Is my 75 1.8L relay board interchangeable with the 1.7L setup?
I think all the realy boards are the same, but they can be wired differently for the different year models. (ie the connectors are wired differently jumpers maybe used at the connector) My data only goes to 1973 (haynes book)
The L-jet is very vacuum signal sensitive, so cam and valve differences can make or break this. The difference in displacement is very small and is not so much an issue.
pay attention to cam and valves is the best advice i can give. If you do indeed have a D-jet cam and heads you might consider purschase or a D-jet system from someone parting out or doing a motor change.
Or make sure your cam grind and valve sizes are compatible with L-jet and run it on L-jet. Other folks maybe able to help with Cam shaft ID and valve sizes needed for L-jet