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Originally Posted by blinkwatt
... MNBoxster knows more about Boxsters then 99.9% of the people who own them,so you should really respect whatever his input is...
Thank you for your kind words. But, not to Diss anyone, but you don't need much Higher Education to make a living either Assembling Cars or Servicing them.
The most important thing for the DIYer is Confidence. These Cars are not Mysterious in any way. They may be more complex, but that's not insurmountable. You need Knowledge (which any number of Tech Manuals - Porsche, Bentley, etc. can provide you). A Basic Understanding of Cars in General, and a modest set of Good Tools. Armed with this, most R&R on a Boxster can be performed by anyone. Experience helps, but you can only gain this by doing. The major adavantage to Experience will be found in developing your Diagnostic Skills, but with OBDII and Code Readers, much of this is done for you as well.
In the case of DIY, the Car is already assembled by someone who knew how to do it. Take care when disassembling a System or Component and you'll learn how to reassemble it. Work slowly and purposely making sure you've not forgotten anything and do the job right the first time.
But, first, you need Confidence. This can be gained by first starting small. Work on the easy tasks, and once you feel more comfortable, move on to more complex ones. Your Confidence will increase with each completed task, such as the work you did on your MAF Sensor.
You said most cars should put out 100hp per liter? Are the 8.3 liter Vipers supposed to have 830hp,but instead have 500hp?
To be sure, HP/Ltr. is a Valid Metric, but maybe not the most important one when determining the Performance Potential of a Car. Maybe a more important one is the HP/Weight ratio.
In the case of the Boxster 2.7L, you're looking at 1:11.9 HP/lbs. This Compares very favorably to the Famed 550 Spyder, whose HP/weight ratio was 1:11.7 HP/lbs.
The reason this metric may be a better one to use is that it provides an alternative - Pumping up the HP, or... reducing the weight! Two ways of attacking the problem. To be sure, there are trade-offs. People may prefer to add HP instead of swapping Wheels, the Battery, Spare, etc., or losing the Stereo or other Creature Comforts. But, the alternative remains. And, you can do some of both and achieve the same end all the while preserving Reliability and Cash Flow
You also say that there is much to gain from the stock. Not so true besides supercharging,alot of the aftermarket parts lose low end power with minimal high end gains.
Very True. Power and Torque Curves often shift when Modding the Car and all too frequently, Gains in one part of the Curve are offset by Losses in another. Where's the sense in gaining 10HP at the Top End (where a Street Car is rarely driven), only to lose 10HP in the Mid-ranges (where you'll spend much of your time)? On Paper, it may Look Better, you can spout a lot of Auto Dribble to your Friends and Brag about your Automotive Jewelry, but you may actually have a poorer Performing Car with respect to how You drive it.
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