Carruthers will bid to emulate Arkle and land back-to-back victories in the Hennessy Gold Cup at Newbury on Saturday.
The legendary Irish jumper is the only horse to win the prestigious staying handicap chase in successive years in 1964 and '65, but while Arkle defied the massive burden of 12st 7lb on both occasions, Carruthers carried only 10st 4lb last year and has 3lb more this time.
"I'm really looking forward to it. I hope it doesn't dry up too much and make it really sticky ground. especially after a day's racing on Friday," his trainer Mark Bradstock told At The Races.
"He's in really good form. He's only got 10st 7lb - I'm certainly not complaining about that. The likes of Bobs Worth have got to give him about a stone. It's going to be interesting.
"Going down the back they always go an absolute million miles an hour, but I think there are probably going to be only a few finishers and one thing this fella does is stay."
Things have not gone right for the nine-year-old so far this term after he was left at the start on his intended reappearance at Cheltenham and was well-beaten there when he did run last month.
"I thought he jumped super at Cheltenham," said Bradstock.
"He had 11st 12lb on his back in really nasty ground which we've always known he can't cope with. He is not a robust enough horse to carry that kind of weight anyway. He looked like he was enjoying himself and jumped from fence to fence and came back fine."
Tom Gibney is concerned a lack of match practice may catch out his Irish Grand National hero Lion Na Bearnai. The 10-year-old gave his little-known trainer a major victory at Fairyhouse in the spring, but a minor setback meant he has not been able to have a prep run.
"He's all set to go. He was due to have a prep run but unfortunately that didn't work out because we had a bit of a hold-up with him about a month ago," said Gibney.
28 February 2015Glinger burns off Kelso rivals
Pipe proves he's a Soll man
Geraghty shines on Leave It
Walter back for another victory
Irish pair do battle in France
Geraghty: Sprinter will be fitter
Wylie lines up Cheltenham team
Twiston-Davies Blak in business
Divine Bishop on Festival trail
Irish duo set Doncaster poser
Night riding high for Grimthorpe
Glingerburn facing another battle
Pipe targets Aintree with veterans
Carlito primed for Kelso return
McCoy not planning Festival goodbye
Bridge camp praying for rain
Cook suspended from riding
27 February 2015Golantilla in Ballsbridge bid
Safety strikes in Zabeel Mile
Fehily confirms Zarkandar mount
Lieutenant bosses Purcell rivals
Dettori delights on Dubday
Many Clouds goes back to school
Maguire loses appeal
New One at ease for Faugheen clash
Foxrock still in Gold Cup picture
Apache ready to take flight in JLT
26 February 2015Higgins back in business
Cookie poised for April return
Silvi threat unsettles Riches camp
No going concerns at Cheltenham
Fry resigned to Fehily Ruby loss
Trip key to Balder success - King
McLernon gets nod for Holywell
Salsify leads Foxhunter field
Mullins unveils Bumper entry
Curtis hoping for Cross revival
Aurore misses Mares' date
25 February 2015Ton-up for in-form Pipe
Big display from George veteran
Credit to join the Premier league
Jack to duck Grimthorpe date
Tea preparing for National tilt
Geraghty rates Whisper World claims
George retains Module faith
Uramazin ready to go again
Coney team wait on Festival call
Aintree on Ceremony agenda
Silvi is all Gold - Nicholls
Bright Clouds gets serious
Puffin swoops at Leicester
Nicholls: Rheu call tough for Sam
Nicholls suffers Hinterland blow
Own on Cheltenham trail
BHA issues new anti-doping rules
Walsh hoping for a Champagne moment
That ruled out of World bid