SIX VS. FOUR, when does the six win? |
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SIX VS. FOUR, when does the six win? |
Trekkor |
Aug 15 2004, 11:43 PM
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#61
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I do things... Group: Members Posts: 7,809 Joined: 2-December 03 From: Napa, Ca Member No.: 1,413 Region Association: Northern California |
Some say go six, some say stay four or go BIG four.
At what point does the SIX take over? I run a 90 hp four and have been told that my 'lil SIX will make me slower with my 130+ hp. PO says 245hp. Won't truly know 'til dyno day. Which may sway me. What kind of weight increase are we talking about? Will I enjoy the car more on the street with the SIX? Because let's face it I run 1-2 a/x a month compared to my 200 miles street driving. a/x season is coming to an end soon. I'll finish with the four. My project will be during winter. If the SIX is bogus I'll put the four back in. (IMG:style_emoticons/default/confused24.gif) Only my time with my car hobby has been spent. ( A few bucks, too. ) (IMG:style_emoticons/default/idea.gif) KT |
ArtechnikA |
Aug 18 2004, 05:46 PM
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#62
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
QUOTE(carr914 @ Aug 18 2004, 03:19 PM) I was told that the main cause of stud failures in 2.7 was due to the Thermal Restrictor... Thermal Reactor... it was a bunch of things. the massive heat was one. weak mag alloy case was one, combined with too-fine-pitch threads on the studs - which is why Case Savers are an effective fix. finally - there were the new all-aluminum Nikasil cylinders, that resulted in more cylinder axial expansion (and therefore more force) than the earlier cylinder materials produced. add in the 5-bladed fan, which was actually done to INCREASE temps (to improve the effectiveness of the thermal reactors...) and the fact that Porsche finally started producing AC units that worked well enough that people started buying and using them in - you can see this coming - hot areas... the last years of the 2,4 also used the 7R case and weren't subject to nearly the stresses - those are good cases to start with although you will need to have the cylinder spigots bored if you're looking at 2,7 or 2,8 ... |
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