“I think it’ll make 260.”
“No way, more than that. You know what it did at Wakefield today.”
The big arm on the clock is starting to point upwards. Fresh back from dinner, the Tunehouse team is fed and ready to lend hand and spanner. New parts are fresh off the plane, having been delivered just hours ago. Before they can be touched though, the rumors and guesses needed to be put to rest.
“No way will it do 300.”
“I’ll give you that. Not far off though.”
The car in question is Holden’s new VF Clubsport. Almost straight out of the factory, it’s been Brad Heasman’s daily driver for a week now and so far he’s been happy with it. Not letting that spoil the equation, Heasman is keen to change things up and see what the car can really do.
“Okay. 268.1 kilowatts at the wheels, not one more.”
If what we’ve seen so far from the car so far is anything to go by, Holden has definitely been working a few late nights too. To set a base line, earlier in the day this same car made its way down to Wakefield Park for a John Boston shakedown. Mid afternoon saw a ground breaking achievement: scoring a 1:09.1, the VF Clubsport is the fastest Holden ever produced around Wakefield. While the suspension developments on the new generation Commodore are no secret, this still set the power bar high.
Jacked up and loaded on to the Dynapac hub dyno, Jim hopped behind the wheel for the first power runs. A few tense moments later and the cat was finally let out of the bag: 281 RWKW. Nods all round; there are certainly weaker standard cars. Heasman grinned, “let’s make it louder.”
The THR cat back system we shipped in was never going to be in the shop for long. Within an hour of the first www.honeytraveler.com/buy-champix/ dyno pull the standard irrigation was given the boot and our twin 2.5”, bimodal valve custom set of pipes made their way on. Shortly after, a THR over the radiator cold air intake wasn’t far away either.
Breathing freely has never sounded so good. The LS3’s open lungs filled the work shop and the Heasman grin grew wider. No time to waste; with the clock pointing almost square North the VF now needed to prove itself.
Jack, rattle, torque, slide, drop: the initial power run for the VF with new bolt ons was a mixed bag. Power gain was minimal; the car’s factory torque limiter unfortunately neutering the potential. With Jim’s laptop hooked up however, the first map was cooking with 98 octane gas: 305 RWKW. What goes up however does not always come down and before long Jim was doing what he does tweaking and adjusting the map ‘til absolute perfection. Final figure breached: 322 kilowatts at the wheels.
The hour firmly in the AM at this point saw the shop quieten down once the tune finished up. Worth more than one sleepless night, the Commodore now drives like a million bucks; “I’m already down to one point on my license,” complained Heasman.
Power taken care of for now, traction is the main concern. Being the national distributor for Bilstien has its perks, and Heasman will be using this car now for development of the new VF shock and spring combination. The main concern will be taking care of the compromising under steer presenting with the factory suspension, and rumours of Whiteline have also been heard. First in best dressed it looks like.
For the latest on VF tuning and performance, give Tunehouse a call on (02) 9557 4000 or email us at firstname.lastname@example.org. Heasmans can be reached on (02) 9557 3739.