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Everything posted by JohnCh
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I've ordered from >Tire Rack, >Online Tires, and >Discount Tire Direct in the past and have no complaints about any of them. -John
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Lot's of information >here on offset, backspacing, and bolt patterns. 205/50-15 is probably the most popular 15" size for Se7ens. 195's are available from some manufacturers, but the choices in that size are more limited. Each tire manufacturer will provide an optimal range of rim width for a specific tire size, but 7" is what most people run with 205's. -John
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I didn't realize Konig was offering the correct PCD for Caterhams. That's good to know. It seems most new wheels available in the States just work with the Honda and Mazda PCD. Another option is >Compomotive. They also have the correct PCD with multiple offset options and the prices aren't too bad. One thing to keep in mind as you contemplate the switch is that you are going to increase the unsprung weight which will affect ride and handling. You will also slow it down a bit with the taller effective gearing. Assuming you are going from a 185/60-13 to a 205/50-15, you will gain about 5/8" of ground clearance and increase your gearing by 6%. The Toyo T1-S and the new T1-R are decent road tires for se7ens. They are very light compared to most of the competition (Avon CR500 is the champ here, but a bit pricey) and have a softer sidewall which is good for a very light car like a se7en. -JohnJohnCh2006-11-12 07:44:25
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Gert, Very nice video quality. What camera setup are you using? I'm thinking of getting something for PNW2007 and am just beginning my research phase. Thanks, John
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I made wind wings similar to Michael's. They made a huge difference! You can (barely) see them >here and >here. -John
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So, tell us a little about yourselves
JohnCh replied to slngsht's topic in General Sevens Discussion
I work in the tech sector on the business development/marketing side of the house. Not very thrilling stuff, but it pays for my blatting addiction. I’ve been a fan of the Seven since I was a little kid and kind of fell into my Westfield ownership. The consulting firm where I worked had just hired a new Exec VP to start our California office. During an introductory, get-to-know-ya e-mail thread between us, I discovered that he had recently bought the Westfield that had appeared in the March ’96 issue of Road & Track. I was impressed that he owned such a unique car and he was impressed that I actually knew what it was, so a friendship was born. I began managing some of his projects and drove/thrashed the Westfield whenever I was in town for meetings. When it finally came time for him to part ways with the car, he made me an offer I couldn't refuse. After I had the Westfield for about 2 years, someone backed into it in a parking lot which shattered the nosecone. That shouldn’t have been a big deal, but the color formula had changed since my car was manufactured (Cadmium, a key component, had subsequently been deemed a hazardous substance) and so a replacement nose cone would not match. I fought the insurance company for a full rebody and eventually won. I then spent the next 18 months radically transforming the car. Virtually every component was replaced with lighter, more performance oriented components. The result was a weight reduction of 165lb. and a power increase of more than 50% (and soon to go up by another 30hp http://www.usa7s.com/aspnetforum/images/emoticons/smile5.gif ). Although technically I have only owned one se7en, the difference between the car today and when I first bought it is so dramatic, that I feel that I have been fortunate enough to own two examples of the breed. Last year my wife and I joined about 50-60 other se7en owners on the USA 2005 tour of the Western US. 4000 miles in 2 weeks. What a blast! For the masochists and truly bored among you, I have a very outdated website >here. -John JohnCh2006-11-14 19:52:44 -
I was in Portland on business a couple of weeks ago. On the way home I stopped by PIR to watch dp1's track debut and finally see the car in the flesh. Very impressive. -John
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This guy built his own McLaren Can Am inspired car – from >scratch. He even hand formed the aluminum body. Unbelievable…
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The combination of small mudflaps and big wind deflectors has virtualy eliminated the rock-in-the-seat problem with my car. I will still find one or two small pebbles each week, but I haven't felt a direct hit since the mods. -John
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My Westfield was originally fitted with clamshells, but I switched to cycle fenders when I did the rebody. Xflow7 is correct about the additional road debris in the cockpit, but installing small mud flaps cured this on my car. I love the cycle fenders and am very happy I made the switch. There is nothing like turning in to a corner and watching the fenders dive for the apex – fun stuff! -JohnJohnCh2006-10-26 18:03:44
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Thanks Mike.
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Mike, talk about a mirror-like finish! Do you use these polishes on your fiberglass bits as well? If so, do you have the same enthusiasm for them on this material, or is it overkill? Thanks, John
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Fluke Motorsports has a >weght database available where users can submit weights of various components -- including entire cars. >Here are the results for the latter. Makes for interesting reading. -John
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When my Westfield SEiW was corner balanced with 4 gallons of fuel, it came in at 1238.5lb. 2.0L Duratec Custom roll bar built for strength not light weight Heavy 14” wheels (14lb/ea) LSD Type-9 Windscreen MOG carbon fiber seats No heater, spare, or carpets -John
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No. 6, the forecast for Saturday calls for sunny skies and highs in the mid to upper 60's. Sounds perfect for a blat! -John
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>AIM Tire is a good source for R-compound 13" tires.slngsht2006-09-12 19:22:20
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Mike, The claimed output numbers I have seen for built Zetecs (cams, head work, individual throttle bodies, programmable ECU, etc) are in the 200-220hp range depending on the aggressiveness of the cams and the amount of head work. I've had a couple of rides in a Zetec-powered Caterham with a claimed output of 210hp and it seemed to be very streetable with good low rpm torque. -John
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Welcome to the wonderful world of crossflows and webers! Your mileage is only 1-2mpg worse than what I used to get with my old 120hp crossflow. My Duratec on the other hand has 190hp and typically returns 25-28mpg in city/back road driving. Of course it doesn't sound anywhere as near as good... If the mileage is a concern, then you might want to consider installing a 3D ignition system. I explored this before switching to the Duratec and heard from a number of people who reported much better drivability and another 3-6mpg. -John
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Glad to hear we now have another 7 in Seattle! Did you take the long (i.e. twisty) way home from Portland? -John
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My daily driver is a tweaked 944 turbo that I've had for over 10 years. I tried to replace it a few years ago with an M Coupe, but I didn't enjoy that car nearly as much, so sold it after 10 months. The Porsche is getting on in years though, so I am probably going to retire it from daily duty next year (don't think I could ever sell it). The family car is a Subaru Forester 2.5XT with a 5 speed, which is a fun little sleeper. -John
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I have size 11.5 and used to drive with my crosstrainers (the Westfield has a big pedal box) but last year I switched to Puma Speedcats and now only drive the car with those shoes. I find the rolled heel of a driving shoe is a lot more comfortable when seated as low as I am in the Westfield. -John
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It's shocking how fast the average car has become. I recently was looking at some old Road & Tracks from the early-mid '70s. In one issue I noticed that the 2 fastest cars from 0-60mph in the Road Test Summary both took 7.2 seconds to cover that milestone. As I recall only 11 cars had a 0-60 time under 10 seconds. How times have changed... -John
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Seems to me that limiting membership to people who have an interest in a se7en/7/seven/LSiS (whew!) should be restrictive enough for the IRS. After all, that is a pretty dams small percentage of the population. -John
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Great, and then the purist will begin referring to se7ens/LSiS as Faux 7s or perhaps just F7s. Just what we need... http://www.usa7s.com/forum/smileys/wink5.gif -John
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Westfield uses rod ends in the rear suspension and there are a number of posts in WSCC about durability. The factory items are fine (Goldline?), but there are a number of complaints about National Rod Ends, which apparently don't last that long. NMB/NHBB are regarded as the best, but they are pricey. Aurora Bearings are considered very good value (about 1/3-1/4 the price of NMB!). Apparently you can also purchase rubber boots that help keep out some of the grime. -John