All Things Mk5 > How to Guides / Troubleshooting
Upgrading Fuel Pump
Janner_Sy:
an extra £50 if your already at stage 2
bacillus:
--- Quote from: simonskerton on August 24, 2009, 12:04:20 am ---an extra £50 if your already at stage 2
--- End quote ---
True but suggest that you also check that the dealer doesn't also want to add in garage time to the overall costing.
SteveP:
--- Quote from: bacillus on August 24, 2009, 12:21:53 am ---
--- Quote from: simonskerton on August 24, 2009, 12:04:20 am ---an extra £50 if your already at stage 2
--- End quote ---
True but suggest that you also check that the dealer doesn't also want to add in garage time to the overall costing.
--- End quote ---
A lot will do this now as they like to setup/log the car to make sure everything is running fine :happy2:
RedRobin:
--- Quote from: SteveP on August 24, 2009, 09:10:44 am ---
--- Quote from: bacillus on August 24, 2009, 12:21:53 am ---
--- Quote from: simonskerton on August 24, 2009, 12:04:20 am ---an extra £50 if your already at stage 2
--- End quote ---
True but suggest that you also check that the dealer doesn't also want to add in garage time to the overall costing.
--- End quote ---
A lot will do this now as they like to setup/log the car to make sure everything is running fine :happy2:
--- End quote ---
....A very good idea to check she's running fine, imho - It could cost you more than an extra few squid otherwise if a problem wasn't discovered and sorted. I'd want a dyno session done anyway.
vRS Carl:
Just be aware with Stage2+ On REVO you may not get what you expect on the Dyno.
For some reason i believe the latest Stage2+ REVO code doesn't like the Dyno and no matter what Timing advance you set (even 9) it will show no timing pull whatsoever. Also the car will not request Maximum boost AT ALL throughout the rev range.
However get it on the Road and it all performs as expected. Assuming you have no problems with the Car to start with it will request 2500+mbar of boost and give it from about 2500rpm to around 4200rpm before starting to slowly tail off. The car will also start to show timing pull (dependent on car) from about 4 upwards.
I spent nearly 2 weeks trying to find a phantom problem with my car only to discover it may be the code :confused:
But to highlight it a bit easier (and not to take the thread too far off topic)
I had Stage 2+ flashed (my car has every conceivable mod for a KO3)
Stage 2 i had 257bhp and 302lb/ft (only CBE though)
Stage 2 + and TBE i got 264.5bhp and 285lb/ft
After 2 weeks and changing a few parts on the car for brand new ones (plus the car engine was stripped cleaned checked rechecked and put back together 4 TIMES looking for boost leaks etc) the car was put back on the Dyno
Result 265bhp and 287lb/ft :mad:
When looking at the logs the car (on the dyno) would not request max boost as it should highest was 2450mbar at 4400rpm which is too late and at 2500rpm it was only asking for 2290mbar
However put the car on the road and the following happened (and consistenly over 30+ logging runs)
At 2500rpm the car would request 2500mbar and give 2560 mbar actual (at some points it gave 2580)
This would be held all the way to 4200 rpm where it would start to slowly tail till at approx 6000rpm it was still holding 2100mbar of boost
So the final result was (after some clever calculations from boost logs etc using VCDS):
On the dyno 265.1bhp and 287lb/ft
On the road 282bhp and 331lb/ft
The calculations were checked against the Dyno results and were found to be accurate (within 0.5bhp and 2lb/ft which i knocked off)
So in reality my car has 282bhp and 331lb/ft but on the Dyno shows 265bhp and 287lb/ft
So if you are getting Stage 2+ dont be disheartened by the results
Use VCDS and the instructions on the Rosstech website and you will get a better answer on what your car has
Oh and for those who asked why you need the pump, You can't have Stage 2+ without it AFAIK as its a Fuel Pump tailored map
HTH
Carl :happy2:
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