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Differences b/twn XL2 year models
Hi – I have been unable to find if there are differences between, say, an actual Prevost production year 2004 XL2 chassis and an actual Prevost production year 2007 XL2 chassis. I have read that the 2007 has an improved front suspension, yet the 2005 may be identical…? Are there factual differences that might contribute to better handling, ride, etc.? Also, saw that the 2007 has a diesel particulate filter. Is that filter problematic? Did it prove to not cause unintended engine problems, or create problems.
Sorry for my blatant ignorance. Definitely trying to narrow things down and TRULY APPRECIATE the sharing of knowledge! Thank you, Jeff
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5 Replies
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They went from stud pilot wheels to hub pilot around 2005.
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Jeff,
We just moved from an 01 XLII shell to an 07 XLII shell. I have also driven an 04 XLII shell cross country. I thought the 04 shell drove slightly better than the 01 shell which I attributed to the 365 vs 315 front tires and being able to run lower tire pressures. I didn’t expect much difference in the driving experience with the 07 shell. To my surprise, the driving experience is very different (much improved). I attribute the difference to the fact that the 07 shell has the optional variable power steering versus the constant power steering. The steering wheel input is greatly reduced with the 07. We had a 25 to 30 mile cross wind for part of a recent trip and it was much less work to keep the bus in shape. I do prefer the non-EGR 12.7L Series 60 in the 01 shell to the EGR equipped 14L. My mileage is down about 6% with the 14L (5.9 mpg vs 6.3 mpg over about 3,000 miles of driving so far).
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Wouldn’t post removal of the EGR crap on these engines. Heard of a small company (Tuner Company on Pick Ups) that got popped a couple years ago and put him outa business. Fines were a killer. The EPA can kill you. I’d still do it if I had one. F um.
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Modifying an emissions system is illegal. Anyone doing so should be aware of the potential consequences. Having said that, I admit to having a hard time justifying how burning more fuel is somehow beneficial to the environment.
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