All Things Mk5 > Performance Modifications
HPFP at what point??
KRL:
If you monitor your rail pressure VCDS engine block 230 you will see that the standard HPFP does struggle even at stage 1. This will be very apparent if you are running a high boost setting.
tony_danza:
--- Quote from: RedRobin on January 21, 2010, 10:21:36 am ---
--- Quote from: revo carl on January 21, 2010, 09:36:58 am ---
but..... even in the car's stock guize it will benifit from a HPFP as the stock item isn't fully up to the job, so again the car will benifit with stage1 also :)
--- End quote ---
....I can't say I agree with you. If you were right, it would be a very well known issue by now, rather like the oem DV was.
Obviously, an aftermarket HPFP (On JKM's advice I favour the APR over the Autotech) has benefits but unless Stage2+ or if experiencing misfires/fuel-cuts I don't think it's necessary.
--- End quote ---
It is a well known issue, it has plagued the mapping of the 2.0T from day one and everyone has had to work around it.
You're looking at this from the wrong perspective. You don't NEED one because every tuner has mapped accordingly to work within the limits of the OEM pump.. It is the compromise the HPFP removes.
Now, I agree Robin. I've said I'm more than happy with stage2 for a long time but it has always niggled me that I know I'm near its limit.. £250 is a drop in the ocean for that peace of mind.
Lastly - I can't believe you're going for that APR propeganda and dismissing Carl's advice, I'm sure he doesn't care what pump you fit, he isn't getting the profit off it. Sure Autotech might have had a few bad uns early on, but that statement put out by JKM was a bit too far if you ask me. Autotech 100% addressed the issue.
I don't know of 1 failure, do you? I understand why JKM said what they said, and why they may not want to supply based on old events. But you can't completely write something off without first listening to those telling you the problem is no longer there.
Don't make me break out the Milltek/VWR not getting it right first time analogy again :P
DubED30:
Thanks for all the replys. I guess paranoia plays a big part. :confused:
vRS Carl:
As I said in the other thread I have had autotech internals in mine for over 40k with no issues
So they obviously did something right first time round.
Carl :happy2:
revo carl:
--- Quote from: RedRobin on January 21, 2010, 10:21:36 am ---
--- Quote from: revo carl on January 21, 2010, 09:36:58 am ---
but..... even in the car's stock guize it will benifit from a HPFP as the stock item isn't fully up to the job, so again the car will benifit with stage1 also :)
--- End quote ---
....I can't say I agree with you. If you were right, it would be a very well known issue by now, rather like the oem DV was.
Obviously, an aftermarket HPFP (On JKM's advice I favour the APR over the Autotech) has benefits but unless Stage2+ or if experiencing misfires/fuel-cuts I don't think it's necessary.
--- End quote ---
Robin you can disagree with me all you like but the fact is that even with the car in it's stock guise is struggles to keep requested rail pressure, data logs prove this categorically.
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