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7848 messages, Last post on Dec 05, 2009 at 4:21 AM
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Replying to: oldman15 (Aug 10, 2009 6:35 am) I think if put a K&N filter, turbo muffler & have the computer reprogam like I did, you find accerleration in PR5 much better. I know when I hit 4000 rpm the engine really comes on. Zipping from 80 in fifth gear to 90 seems like nothing. I gone high as 110 mph with the car going up the Grapevine Highway hill grade going back to LA and I was shocked. Of course, even with these modifications, Speed 3 is much faster in accerleraton. You be interested to know I'm going to have the Speed 3 dyno with Cobb Access Port map. Car has currently a racing downpipe and Cobb Cold Air Filter. The car should easily be pushing over 320 hp according to the tech guy who is going to dyno the car. As for tires, I have using Kumos All Season tires. I forgot the model but they have been mentioned in other comments in this forum. Here in So Cal, the tires are effective due to weather. Not much difference between all seaon tires and summer tires like the Dunlaps unless it's wet surface according to a Road & Track article I read about tires. I agree.. By the way, I got 65,000 on my Dunlaps that came with the car. I was told that was a high number for a performance tire but again, it's how you drive the car. I drive a lot between No and So Cal so most of my mileage is highway, straight riding. Tires on Speed 3 are Bridgstone High Performance tires that came with car. 18" wheels which means I'm not going to get much mileage on them. I have 26,000 on them now and if I get 10,000 more, I'll be lucky. I was told going down to 17" would be better for performance and wear. Also they are 215s which an odd number. Next set will be 225s and probably again Kumos all seasonal. The extra width probably will make up difference of a high performance tire. I can tell you turning the same corners the Speed3 is tighter but not the same feel of the lighter and lower PR5. Feels racier as you know. By the way, mustangleader is my user name because I own a 1968 Mustang fastback. Engine is modified with flowmasters so the sound and ride is completely different. And yes, the Speed 3 is much faster even when it was stock. As I said, I'm driving the PR5 til it drops. 176,000 plus currently. I expect to get at least 300,000 miles which I got from a1989 Nissian 240x. A great corning car ... even better than the PR5 because it is rear supension drive. Hope this provides you with more info. |
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Replying to: oldman15 (Aug 10, 2009 6:35 am) I had the muffler & reprogamming of the computer done first. I instantly felt the power via rpm accerleration. When I added K&N, that's when hitting 4000 rpm (which is the max torque 135 according to Mazda) the car really responded. As I said, you love the K&N filter sound so I suggest if you do anything, the cold air filter and the reprogramming of the computer. You won't have complaints about accerleration. The muffler adds a great sound like the Speed 3. Hope this helps. |
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Replying to: ginto (Dec 05, 2003 3:38 pm) |
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Replying to: mustangleader (Apr 22, 2009 11:56 pm) Hey "mustangleader" - what company reprogrammed your computer? P.S. - Reading your post really gets me excited for my P5! =)
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Hi! So I just bought an 02 P5. It has roughly 95,000 miles. Here's my issue: When I start driving the car for the first time on a given day, when I shift from 1st to 2nd gear the car shutters/shakes violently. It's only when I shift from 1st to 2nd, and after I've been driving for about 10 minutes it stops happening. Has anyone experianced this? Should I be concerned? Any ideas on why this might be happening? Thanks!
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Replying to: pr5speed (Nov 10, 2009 9:14 pm) |
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Replying to: emilyanne (Dec 02, 2009 10:12 pm) |
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