hello mate all i know is the rover v8 uses lucas havent u tryed a rangerover v8 one about 1990,, they use a133 same as rover does,, there must be one out there on your big v8s you got,, i am not so much ofhelp thats all i could think of sorry
good luck
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rover tp vitesse my dads old car!!!
discovery 3.9 es,