Yeah thats basically it mate!
Id give it a hit/take off - and yes, it would start to go and then all ofa sudden, nothing, Id back off and gently gently ease on throttle and would go agai, but run like shit.
Around same time I was at WSID and on gear changes it was splat and splurr everywhere and I could only manage 14.7 @ 97 on all 4 runs
Took it to uni group and turnsout that with my old Fuel cut defender and standard pump, the pump was almot dead and my car was leaning out in a major way.
Had a quick read through your other thread,
Sounds like you have what I had - get a new pump and see how you go or some how test the current one?