Part-owner Allan Endresz has vowed to clear the name of his star galloper and his trainer which could result in legal action.

Alligator Blood tested positive to the prohibited substance Altrenogest after his dominant victory in the $2 million Magic Millions Guineas on the Gold Coast in January.

Endresz is standing by his original claim that the positive swab was caused by either feed contamination or being nobbled by racing crooks.

Vandyke has also proclaimed his innocence.

"I have had a discussion with Peter Chadwick who is the QRIC chief stipendiary steward earlier in the week," Endresz said.

"We layed out quite transparently our position as owners.

"We have literally going out today (Friday) a legal position from my QC.

"It highlights the way in which we read the legislation and the rules.

"At least now David (Vandyke) can give his side of the story.

"Hopefully the powers that be can see that it was no fault of David's.

"And like I have said it was either contamination or someone has got to the horse."

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Endresz said he was close to finalising a deal with a potential slot holder that would see Alligator Blood run in the $15m The Everest at Randwick in October.

Meanwhile the Dan McCarthy-trained Ashlor will target another city success at Caulfield today.

McCarthy's stable star broke through for a well-deserved victory at Moonee Valley last month.

Ashlor rises in grade in the group 3 $128,000 Sir Monash Stakes, (1100m) and is a $10-chance to make it back-to-back wins.

McCarthy said Ashlor performed well in the same race two years ago when running fourth behind slick sprinter Voodoo Lad.

"He ran fourth in this race two years ago and I think it looks a lot weaker race compared to then," McCarthy said.

"I'm just hoping for a bit of luck and I can see him fighting out the finish.

"After winning at Moonee Valley I have seen some promising signs that the horse is getting back to somewhere near his best.

"I'm not convinced he is there yet but in saying that the horse is going very well."

Ashlor faces only eight rivals in the group 3 feature but there looks to be plenty of speed in the race with several noted frontrunners.

"Jungle Edge and Tavisan both like to control the speed," he said.

"If the speed map goes to plan, I'm hoping those two horses lead and we just slot in behind them.

"Snitzcraft will probably look to do something similar and hopefully we can sit one out and one back.

"Then we can just stalk the speed and hopefully finish off strongly."

The Caulfield track was rated as a soft 6 late on Friday with the forecast of showers today.