Contesting a pair of 30 minute races at Wakefield Park on Sunday for the third round of the series, Schumacher's efforts behind the wheel of the Kelso Electrical Porsche 977 saw him retain his Class A series lead.

It also saw him earn an outright podium in race one as he got the better of more modern and powerful machines. His battle with the Audi R8 LMS of Garry Higgon was a particular highlight.

"The Audis have got more power, much better aero, much more mechanical grip. But I think Wakefield is the kind of circuit that, because it doesn't have big, long straights and it's quite technical, if you're able to tuck in behind a car and stick with them you can hold your own against the bigger guys," Schumacher said.

"It was a successful weekend and keeps us on top of the board for the championship."

While Schumacher finished the round on a bright note, on Sunday morning he was left to regret his tyre choice in qualifying.

Early heavy rain had cleared before that session, but there were still puddles on some areas of the Wakefield circuit.

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"It was a toss of a coin whether to throw on wets or throw on slicks and make the gamble that after a number of laps there'd be a dry line to run on. We made the gamble with the slicks and it didn't pay," he admitted.

"I ended up running a little wide over a ripple strip and it hit the underside of the car and pulled on out our engine coolant hoses off and it dropped all of its water. I had to turn the car off and park it up immediately to save the engine."

That saw him qualify 17^th, further back on the grid than the Bathurst driver had hoped to be. But it did serve as motivation to make amends.

In the first of the two races for the round, he made up five spots on his first lap. By lap 22 only the Audis of Matthew Stoupas and Higgon were ahead of him.

"I ended up first in Class A and second outright. I finished behind the Audi R8 of Stoupas but was able to finish in front of the KFC Audi of Gary Higgon which was a pretty mammoth effort out of a car that's much older and a different class altogether," Schumacher said.

"It was a bit of a battle to get past him to be honest, the spectators down there said it was really great to watch."

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That result also saw Schumacher start further up the grid for race two. He climbed his way into third behind Higgon, but an incident on lap 15 undid some of that work.

"I was trying to find a decent place to make the move on Higgon in his Audi again and after five or six laps of tailing him, I decided to make the move around the outside across the back of the track," Schumacher said.

"He didn't give me enough room towards the exit of the corner and we collided which put me into a spin. I was able to regather it and get back on the circuit in 10^th position and fight back through."

The Bathurst driver again took the honours in his class and as Higgon copped a 30-penalty post race for the incident, Schumacher also claimed fourth outright.

The next round is at Sydney Motorsport Park on June 22-23.