All Things Mk5 > Performance Modifications
Hpfp upgrade
sub39h:
--- Quote from: RedRobin on September 30, 2012, 04:25:22 pm ---I have asked this before, but hypothetically if the Autotech and APR pumps each cost exactly the same, which would you buy?
--- End quote ---
That's as irrelevant as me asking if you'd have still bought an APR if it was £5000.
They don't cost the same, and in my opinion the APR does not do enough to mitigate the risk to justify it's price. Hence I went for an Autotech.
Hedge:
--- Quote from: sub39h on September 30, 2012, 03:56:34 pm ---I would like to know how the conclusion was reached that the fuel pump was responsible for the fire.
--- End quote ---
The fuel pump leaked fuel into the sump which several people have reported but not with the same results.
This resulted in, no particular order, a hole in the side of the block which allowed allowed that mixture to hit the cat.
vRSAlex:
I find the Apr to give a more constant fuel pressure hold on wot. The autotech never seems to be able to hold quite as much pressure and fluctuates the pressure more.
Fuel mixing into the oil will always destroy an engine. Even if the oil is drained, the fuel will have caused damage to the bearings and the bore which reduces the life of the engine.
Autotech internals do the job, but its always best to fit them to a new pump.
Sie:
I had a standard fuel pump fail on me let alone one with uprated internals. Would like to think it I caught it early drained oil washed through with fresh oil once warmed up. Now running some good stuff. Think it has killed my k03 tho oil leaks when parked on a curb leaning down on the side of the downpipe. And get a nice big puff of smoke when going up a hill or once warm when you hoot it. Alex you think anything else could be damaged?
Sie
RedRobin:
--- Quote from: sub39h on September 30, 2012, 04:38:56 pm ---
--- Quote from: RedRobin on September 30, 2012, 04:25:22 pm ---
I have asked this before, but hypothetically if the Autotech and APR pumps each cost exactly the same, which would you buy?
--- End quote ---
That's as irrelevant as me asking if you'd have still bought an APR if it was £5000.
They don't cost the same, and in my opinion the APR does not do enough to mitigate the risk to justify it's price. Hence I went for an Autotech.
--- End quote ---
....It's because they don't cost the same that I suggested that you IMAGINE (I'm sure you know what "hypothetically" means) that they do cost the same, that you hadn't chosen which pump yet, and therefore which would you choose?
If you prefer, it's the same as telling you that someone is generously offering you the choice of either HPFP as a gift - Which would you prefer to have?
You may still choose the Autotech pump - I know which you have chosen but wonder if your choice (and anyone else's choice) would be the same IF they both cost exactly the same.
I'm afraid that if you don't see the point of this question, then there is no point me trying to explain any further :smiley: [It's a genuine question and not meant to be rude or unfriendly towards you].
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