All Things Mk5 > Performance Modifications
Hpfp upgrade
sub39h:
--- Quote from: RedRobin on September 30, 2012, 10:25:15 pm ---
--- 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].
--- End quote ---
I'm not denying that the APR probably carries with it less risk than an Autotech. In your hypothetical situation it would be the one to have.
But in the real world, in my opinion, there is not enough of a decrease in risk to justify it's price. PDT have sold hundreds of Autotechs without a single failure. As i've mentioned before if I were to crunch the numbers I'm sure that would yield a mathematically significant result more powerful than the results we require before deciding which drugs to give people (!)
56OctyVRS:
Looking at both arguments for the APR and the Autotech. I went with the Autotech purely because I did not feel that the APR pump commanded such a high price for the same part. Both are designed differently but in real world driving there would be no on the difference in car performance. Like every part that is uprated you run the risk of failure as more stress is applied.That was also a reason why I chose the Autotech internals as it uses the oe spring. I know the APR uses much stronger spring rate and can cause issues with the cam follower wearing quicker. I also belive that is the only reason why the APR pumps seem to hold a slighlty higher rail pressure as the spring pushes the pump out quicker and gives slighlty more force to push the fuel through.
Tamiyoman:
--- Quote from: sub39h on October 01, 2012, 08:34:48 am ---
--- Quote from: RedRobin on September 30, 2012, 10:25:15 pm ---
--- 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].
--- End quote ---
I'm not denying that the APR probably carries with it less risk than an Autotech. In your hypothetical situation it would be the one to have.
But in the real world, in my opinion, there is not enough of a decrease in risk to justify it's price. PDT have sold hundreds of Autotechs without a single failure. As i've mentioned before if I were to crunch the numbers I'm sure that would yield a mathematically significant result more powerful than the results we require before deciding which drugs to give people (!)
--- End quote ---
So have Jabbasport, when I asked about which to go for they said "Autotech", they told me they do the same job as the APR and having fitted plenty themselves with no failures they are happy to recommend them (Jabbaluke ran one in his ED30).
I don't particularly like APR tho so would be biased on my own choice (Autotech), and the high price of APR, but ETTO :happy2:
Marshall:
Everyone has their own opinion but as for price it's a no brainier surely.
The most reliable way of doing an Autotech internal job is to fit to a new pump right.
New pump £150ish i
New internals £290
Total £440 plus paying someone to fit them.
APR rebuild pump £478 already built and ready to fit.
Sorry but without the fitting charge for the Autotech the APR deal at £38 difference I can only see one way to go.
APR here we come.
Sent from my iPhone
sub39h:
--- Quote from: kevs fr on October 01, 2012, 01:57:10 pm ---Everyone has their own opinion but as for price it's a no brainier surely.
The most reliable way of doing an Autotech internal job is to fit to a new pump right.
New pump £150ish i
New internals £290
Total £440 plus paying someone to fit them.
APR rebuild pump £478 already built and ready to fit.
Sorry but without the fitting charge for the Autotech the APR deal at £38 difference I can only see one way to go.
APR here we come.
Sent from my iPhone
--- End quote ---
Except for £478 you either have to buy a new pump, £150, or have your car off the road for 2 weeks.
If you choose to buy a new one your old one could only be worth £50 or so, so it's more like £138 more, or massive inconvenience.
I brought my Autotech to vRSAlex, rolled out 30mins later with Autotech internals and a new cam follower. No inconvenience at all.
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