GoSee has used the same driver and Jayco Westport 19 ft caravan thoughout the eight months of the evaluation. There is a marked difference in our immediate reaction to the before and after DPChip when we compare the former GoSee GXL auto Captiva and the LT-R VDCi Colorado 4x4.
The power delivery improvement in the Captiva was more marked with an overall benefit of a 22 percent increase in power. The Captiva had slight turbo lag before Berrima Diesel gave it a chip and none after the chip went in and the Captiva was dyno tuned.
This comment needs to be seen against the balancer that the Captiva is a Sport Utility Vehicle (SUV) designed to carry people and the Colorado is a small, truck-like ute designed to handle workloads and towing. But overall there has certainly been a learning curve and bedding in period involved in getting the best from the LT-R VCDi Colorado and by association the DPChip.
GoSee has seen 16 litres per 100km towing, 12s around town and 9s with trips included from the Colorado.
After the Colorado's 60,000 km service GoSee travelled to Beaufort with our Jayco Westport caravan. On route to Beaufort GoSee encountered heavy head winds. Travelling home two days later was worse with gale force cross winds which gusted to 140khm and some sections of tail wind. Fuel use for the overall trip was 16.35 litres per 100km at about 90 kph.
Before the DPChip when towing the Jayco Westport to Bendigo into rotten head wind fuel use was 16.57 litres per 100km, then on the way home, with no wind 15.05 litres per 100km.
201 kg on the Jayco Westport ball
On the trip north to have the DPChip fitted Geelong/Canberra/Berrima (two fills averaged) 9.32 litres per 100km was the result and on the return run two fills averaged 9.57.
A 1,650km return business trip to South Australia (not towing) was a real pleasure, comfortable and a breeze in the long-legged Colorado. At the 630 km fill, the fuel light had just come on as we pulled in we had 15 litres left in the 76 litre tank so probably another 100 kms comfortably at that rate.
The GoSee TravelSmart Club memberFuel Use Calculator crunches those numbers to tell us that the Colorado averaged 9.68 litres per 100 km, which is 10.33 kilometres a litre or 29.17mpg. So going all the way to empty would have taken the Colorado to 784.95km.
GoSee Jayco Westport caravan comments -
Colorado empty wheel arch height above ground level - Engel, Dual battery and tool box fitted to left side Ute- (about 80 kgs) LF 870mm, LR 865, RF 870, RR 890.
The Westport is fitted with 2 x 9 kg LPG Bottles. One full 20 kgs, the other 14 kgs.
Weights / measurements done without gas bottles but equal tothe 275 ball weight figure from previous weighing from Jockey wheel 240 kgs.
From ball (propped up with timber) 201 kgs, so you would think with gas bottles fitted ball weight would be *236 which is better than last thought.
Westport handling without Hayman Reese WDH: Picked up the caravan at North Geelong and came home via Ring Road - about 15 kms, just tow ball, no WDH - ute sat low in rear. Caravan low at front.
Cross wind blowing. Ring Road at 90 kmph felt like the back wheels were steering the vehicle. First time it has felt like that. Slowed down to 80 kmph and felt safer.
Wheel measurements without WDH Ute: LF 880mm. LR 850, RF 890, RR 860 Caravan front/road 355mm, rear 450, 200 clearance from road to bottom of tow tongue.
Fitted Hayman Reese WDH -Ute: LF 870mm, LR 860, RF 870, RR 865 Caravan front/road 420mm, rear 390, 305 clearance from road to bottom of WDH tow tongue.
This is the set up used for past tests and trips with the Colorado LT-R auto.
DPChip in place under battery bracket
Jayco Westport Caravan details:
1999 Jayco Westport 17.71-1 Length 19'.
First Reg 1999 Width 8'.
GVM 2600 kgs. Ball Weight 185 (*See notes).
Tyres 4 x 185R14/102 LT80 Bluestreak by Bridgestone.2 x 80 ltr Water tanks 160kgs.
2 x 9 kg LPG Bottles 18kgs.
Standard Specifications: Holden Colorado LTR VCDi 3 litre VCDi 4x4 diesel four-speed auto details:
Engine diesel turbo charged common rail intercooled electronic fuel injection.
Capacity 2,999 cc.
Cylinders Turbo diesel 4.
Valve Gear overhead valve.
Bore x Stroke 95.5x104.9.
Max Power 120kW @ 3600 RPM.
Max Torque 333Nm @ 1600 RPM.
Compression Ratio 18.3.
No. of Valves 8.
Capacity 76 L
Towing - Braked 3,000 kg.
Gross Vehicle Mass 2,900 kg.
Ground Clearance 225 mm.
Engine Transmission: Limited Slip Differential standard feature.
Service interval 6 months/10,000 kms.
Warranty 36 months/100,000km.
ANCAP crash test rating 3 star.
Editors Note: Also see -
GoSee Colorado LT-R at DPChip Berrima NSW
GoSee Colorado LT-R on dyno at DPChip Berrima
Hayman Reese WDH with drop shank