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For most occasional "DIY" use, Snap-On quality and price may be overkill, but in a shop you can justify owning between $5 and $10K worth of top line torque measuring devices. We use the Hell out of our equipment, and every time I have sent them back for calibration checks, they come back "no adjustment needed". Even though I am not a professional, all my other tools are Snap-On accumulated over 30 plus years of "playing" with my cars. If I go ahead with the torque wrench, I hope I never have to use it although I seem to have a flat from a nail or screw every 9 to 12 months which translates into 25 or 30,000 miles. I carry plugs so any tire shop car put the car on a lift and just plug it without having to demount the wheel - I've run center locks for the last 6 years, they have their downside for sure.
I found this split-beam wrench recommended several months ago in a GT3 forum (I gave up waiting for the GT3) - http://www.torqwrench.com/tools/item.php?StockCode=C4D600F with a range of 200 to 600 ft-lbs; probably not the same quality as a Snap-On. Available from Amazon for $320 - http://www.amazon.com/Precision-Instruments-C4D600F-Detacheable-Ratchet/dp/B000RT8ENE/ref=sr_1_1?s=hi&ie=UTF8&qid=1400960050&sr=1-1&keywords=C4D600F
JFP, Snap On makes several 3/4 drive torque wrenches. Is there any particular model you like?? You didn't happen to take a look under it's back side? Still wondering how I'm going to jack it's tail up to get jack stands under it. What color was the one you drove and what do you think, not that I can change anything. At this point the specs are locked in. Absolute power corrupts absolutely. :drive: Car was Rhodium Silver Metallic Turbo "S", black leather with white stitching. Very attractive looking combination. I also like the dash layout and smaller sized steering wheel, makes getting in and out a bit easier. I actually had the car up on a lift; still uses side jack points (I have never been one for trying to lift the entire rear end by one jack point). When I had it up in the air is when I noticed the wet sump, which was confirmed by the Porsche zone rep that was driving the car. I prefer the Snap On QD4R400 80-400 ft. lb. unit, used one for years and as with other Snap On's holds its accuracy well: http://buy1.snapon.com/catalog/item.asp?P65=&tool=all&item_ID=640967&group_ID=675227&store=snapon-store&dir=catalog This Snap-On torque wrench is only rated for 400 ft-lbs (542 Nm) whereas the tightening spec for the center lock wheels is 443 ft-lbs (600 Nm). Assume you feel this is adequate until you can get to a Porsche dealer?
When I downloaded it, it is a locked pdf file and asks for a password. What am I missing? No idea, it opens as a simple PDF file for me. Thanks - I figured it out but I have never seen this before, I am using a Mac and their PDF reader thinks it is password encrypted; but using Adobe Reader I was able to open it - thanks again.