VW Golf R32 Shootout Pick Your Poison European Car Magazine — Volkswagen Golf R32

3 Фев 2015 | Author: | Комментарии к записи VW Golf R32 Shootout Pick Your Poison European Car Magazine — Volkswagen Golf R32 отключены
Volkswagen Golf R32

Three Different Takes On Your R32

It’s tests this that makes me why we bother with testing at It took an entire sleepless of running all over the Southern with the guys of Advanced Solutions (AMS), HPA, R32 and VF Engineering to test four and we still came out with I can’t completely explain. At this will give the forum junkies material for of discussion and argument. Whatever the our radar an timers don’t

When SoCal R32’s Lee told us he had rounded up 108 of VW’s top gun for one event, we jumped on the opportunity to what we thought were reasonable examples of modified one supercharged, one turbocharged and one modified aspirated (NA), all owned by R32 The operative word is reasonable, so we out the cars running stage 29 kits with anti-lag. We ran the on the dyno, drag strip and at the to see which power-adding setup we best and what really for a faster car. Each R32 was back to back along a stock car for reference. Interestingly, the reinforce the strengths and weaknesses of the methods of forced induction and NA

Dyno Queens

The first bit in any mud slinging competition is how much you make. Not that peak really tells you how fast a car is, but an easy figure to throw out for simple comparisons. It’s the and delivery that really Sadly, you don’t see too many discussions trading PDFs of charts, but hey, dyno can be costly.

Even on the dyno, you’d getting a horsepower number is a straightforward process. This isn’t the case, as every has a different calibration and method of How much airflow the fans and how much cooling time the are allowed also make a difference, not to mention most run different brands of gas (even if it is all gas). Making a fair, test has long been a The only way to have dyno that make sense is to as much information and control as variables as possible. Luckily, only four cars is a little bit easier.

Volkswagen Golf R32

We jumped on the last minute to use AMS’s MAHA LPS 3000 awd current dyno. This is one of two in the U.S. (the other by Brabus Newport Beach) and has the user-friendly whistles and bells seen. The LPS 3000 even has a plug to allow the user to log channels from the vehicle’s along with additional for wide-band A/F and boost, which us tremendously in determining if each car was properly (i.e. spark, fault modes). My favorite was the cooling fans that with vehicle speed and the appropriate airflow to the car being

To level the playing field more, we emptied the fuel and filled them with our 91 AKI excuse for gas before strapping down. Each car had three to nail a peak horsepower It usually turned out to be the second run the best numbers, as lubricants less viscous and engines yet heat soaked. The MAHA also has a nifty feature measures drivetrain drag after each run as the car coasts Based on this drag, takes into account all factors for each run, it a pretty accurate crank value. Using a DIN 70020 factor (a European equivalent to our SAE factor,) the stock car put down a 238 bhp, two off the advertised 240 bhp. enough for me. If this nonsense of about crank horsepower is cup of tea,

the MAHA calculated a peak 321 and 289 bhp for the tuned NA, supercharged and turbocharged respectively. The supercharger had a steady boost curve that at 6.54 psi @ 6480 rpm, and the car consistently made more 11.8 psi above 3000 The HPA kit could handle this boost by using a head that dropped the compression to 8.5:1.

The MAHA also recorded timing, A/F, intake air (IAT) and ambient air temperatures. temperatures for all runs were 65 degrees Fahrenheit, and IAT as measured by the ECU near 70. The VF supercharged car was the exception, as its IAT rose to 86 degrees at the end of its run, not 86 degrees is high for IAT. the stock R32 uses an IAT sensor is integrated into the MAF, measured values only the temperature of the intake charge and not the in the manifold after compression and

Score one for the supercharger, its linear and linear powerband.


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