In the late 80's and early 90's there were often 2 championships, one for the more prestigious "Supercup" and another for the ACU British championship. Any bits im really stuck on are in bold.
Thanks in advance.

British 500cc/Open/F1 Sidecars 1976 – 2015
2015 - Ricky Stevens/Ryan Charlwood - LCR Kawasaki (BSB Support)
2014 - Sean Hegarty/James Neave - LCR Suzuki (BSB Support)
2013 - Tim Reeves/Tristan Reeves - LCR Suzuki (BSB Support)
2012 - Roger Lovelock/Rick Lawrence - LCR Suzuki (BSB Support)
2011 – Tim Reeves/Gregory Cluze - LCR Honda (BSB Support)
2010 – Tim Reeves/Gregory Cluze - LCR Suzuki
2009 – Roger Lovelock/Rick Lawrence - LCR Suzuki
2008 – Tim Reeves/Patrick Farrance – LCR Suzuki
2007 – Tim Reeves/Patrick Farrance – LCR Suzuki
2006 – Sean Hegarty/Mark Hegarty - Windle Suzuki
2005 – Sean Hegarty/Mark Hegarty - Windle Suzuki
2004 – Steve Webster/Paul Woodhead – LCR Suzuki
2003 – Bill Philp/Garry Yendell - LCR Yamaha
2002 – Richard Gatt/Paul Randall -
2001 – Tom Hanks/Phil Biggs – LCR Suzuki
2000 – Tom Hanks/Ian Simons – LCR Yamaha
1999 – Sean Hegarty/Mark Hegarty -
1998 – Jock Skene/Neil Miller -
1997 – Barry Brindley/Scott Whiteside – LCR ADM
1996 – Barry Brindley/Scott Whiteside – LCR Yamaha
1995 – Barry Brindley/Scott Whiteside – DTR Yamaha (Shell Advance Superbike Trophy)
1994 – Steve Abbott/Julian Tailford – Krauser (HEAT Supercup)
1993 – Steve Abbott/Julian Tailford – Windle (TT Superbike Challenge)
1992 – Steve Webster/Gavin Simmons – ADM (TT Superbike Challenge)
1991 –Barry Brindley/Scott Whiteside – Krauser (TT Superbike Challenge)
1990 – Robert Fisher/Trevor Crone – Suzuki (TT Superbike Championship)
1989 – Steve Webster/Tony Hewitt – (MCN Supercup)
1989 – Barry Brindley/Grahame Rose – Yamaha (ACU British Championship)
1988 – Steve Webster/Tony Hewitt – Krauser (ACU British Championship)
1987 – Steve Webster/Tony Hewitt – Krauser (Motoprix)
1987 - Lindsay Hurst/Gary Hurst - Yamaha (ACU British Championship)
1986 – Steve Webster/Tony Hewitt – LCR Yamaha
1985 – Steve Webster/Tony Hewitt – Yamaha
1984 – Steve Abbott/Shaun Smith – Yamaha
1983 – Bruce Ford-Dunn/Alistair Pirie - Yamaha
1982 – Bruce Ford-Dunn/Dave Mawson - Yamaha
1981 – Jock Taylor/Benga Johansson – Fowler Yamaha
1980 – Jock Taylor/Benga Johansson – Fowler Yamaha
1979 – Dick Greasley/John Parkins – Yamaha
1978 – Derek Jones/Brian Ayres - Ireson - Yamaha
1977 – Bill Hodgkins / John Parkins - Yamaha
1977 - Bill Hodgkins / John Parkins/Mark Watson - Yamaha
1976 – Dick Greasley/Cliff Holland - Windle Yamaha
(This list does go back to 1958 but still needs a little work)
British F2 Sidecars 1985 – 2015
2015 - Alan Founds/Tom Peters
2015 - F2 Cup - Sean Reeves/Mark Wilkes
2014 - Gary Bryan/Jamie Winn
2014 - F2 Cup - Alan Founds/Tom Peters
2013 - John Holden/Andrew Winkle
2013 - F2 Cup - John Lowther/Jake Lowther
2012 - Ian Bell/Carl Bell
2012 - F2 Cup - Russ Pearce/Rod Pearce
2011 - Simon Neary/Jason Crowe
2011 - F2 Cup - Frank Lelias/Mike Aylot
2010 - John Holden/Andrew Winkle
2010 - Swan Combi F2 Challenge - John Holden/Andrew Winkle
2010 - F2 Cup - Stephen Kershaw/Rob Wilson
2009 - John Holden/Andrew Winkle
2009 - F2 Cup - Dean Henry/Ian Smith
2008 - Nick Crowe/Mark Cox
2008 - F2 Cup - Steve Coombes/Garry Partrdige
2007 - Simon Neary/Stuart Bond
2006 - Steve Norbury/Sally Wilson
2005 - Tony Elmer/Darren Marshall
2004 - Roy Hanks/Dave Wells
2003 - Ian Bell/Neil Carpenter
2002 - Ian Bell/Neil Carpenter
2001 - Gary Horspole/Kevin Leigh
2000 - Gary Horspole/Kevin Leigh
1999 - Tom Hanks/Steve Wilson
1998 - Tom Hanks/Steve Wilson
1997 - Tom Hanks/Steve Wilson
1996 - Richard Nelson/Mark Camp - Yamaha
1995 - Richard Nelson/Mark Camp - Yamaha (Supercup)
1994 – Mick Boddice /Dave Wells – Honda (HEAT Supercup)
1993 - Mick Boddice /Dave Wells – Honda (TT Superbike Challenge)
1993 - Steve Abbott/Julian Tailford - Windle (HEAT Supercup)
1992 - Richard Nelson/ Mark Camp - (TT Superbike Challenge)
1992 - Steve Webster/Gavin Simmons - ADM (MCN Supercup)
1991 - John Brindley/ Chris Jones - Yamaha (TT Superbike Challenge)
1991 - John Brindley/ Chris Jones - Yamaha (MCN Supercup)
1990 - Dave Saville/P Hutchinson - Yamaha (TT Superbike Championship)
1990 - Rob Fisher/Trevor Crone - Suzuki (MCN Supercup)
1989 – Derek Brindley/Nick Roche - Yamaha (MCN Supercup)
1988 - Mick Hamblin/Bob Smith - Yamaha
1987 Eddie Wright/Ian Marchant - Yamaha
1986 Dave Saville/Dave Hall - Sabre Yamaha
1985 Joe Heyes/Rob Burns - Heyes Yamaha