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850 Aerofilter[ALL/1998] posted by orson on
Sunday, 30 November 1997, at 10:50 a.m.
Has anyone here tried the Art of Roar Aerofilter for the 850? I'm interested in comments. Here's the link for those who don't know what I'm talking about.
Art of Roar
Re: 850 Aerofilter[ALL/1998] posted by Paul S. on
Sunday, 30 November 1997, at 11:57 a.m.
No I haven't tried their products, but it looks like a whole filter box assembly.
It also looks like they sell a chip for the nonturbo 850....although they don't specify manual or automatic.
They sure are making some big HP gain claims!!!!
Paul Seminara VCOA Member # 9417
1996 855O 17K miles "THE BLUE GOOSE" In May '98 a "2 Kid hauler"...2nd in oven now!
1981 262C Bertone 171K "THE BLUE BLENNY" I'm too young for this car!
Checking out Nuccio as middle name.......
Re: 850 Aerofilter[ALL/1998] posted by Paul S. on
Sunday, 30 November 1997, at 8:19 p.m.
I also sent them an email and they responded thusly:
DEAR PAUL,
WE DO OFFER THE AEROFILTER FOR THE NON TURBO VOLVO..BUT AT THIS TIME
CANNOT OFFER YOU A CHIP,, SINCE SUBSTANTIAL GAINS CANNOT BE MADE..WE
RECOMMEND THAT YOU ADVANCE YOUR DISTRIBUTOR.. UPGRADE YOUR COIL SYSTEM
AND USE NON RESISTOR PLUGS ALONG WITH AN AEROFITLER AND ROAR MUFFLER
REPLACEMENT..ALSO YOU CAN HAVE YOUR THROTTLE BODY BORED FOR MORE FLOW
AND FINALLY IF YOU WANT TO GO ALOT FASTER.. HAVE YOU HEADS REDONE BY
US,,
WE CAN GET YOU ROAR'N
So..no chip for the nonturbo...
Paul
Re: 850 Aerofilter[ALL/1998] posted by Paul Elliott on
Monday, 1 December 1997, at 1:28 p.m.
I went to their site, and looked at their air cleaner. From what I could see from the picture, they are getting air from inside the engine compartment. Bad Bad. The stock Turbo air box is routed via a plastic hose to an opening in the air dam/radiator area, where it can be force fed with outside air. Good Good. I currently run my '95 854T with IPD's ECU and exhaust, plus K&N drop in filter, and I can tell you that the results are impressive. This is well documented. I think that when working with something as significant as your car's computer, there is absolutely no substitute for experience backed by a known company with a proven track record. The results from IPD are known, proven, and very well documented.
I've read nothing about this Roar company. I'd certainly like to hear personal anecdotes and reviews, but there's no way they can measure up at this time for Volvo performance improvements, with what already exists out there!
Re: 850 Aerofilter[ALL/1998] posted by Mark Klein on
Friday, 5 December 1997, at 9:42 p.m.
You do bring to light some valid concerns. The design itself (the velocity stack shape) is definitely superior to anything else. The air inside the passenger compartment of a moving car is not so hot it would detract much from horsepower. They claim they have been used in some sort of European racing since '88. I'm sure it does offer some significant gains, but at what expense? For instance, exhaust systems. A large diameter system can give excellent benefits at higher rpm ranges but actually hurt driveability at normal in town driving speeds.
I guess the jury is still out. If you decide to try it, please keep us "posted".
Re: 850 Aerofilter[ALL/1998] posted by Paul Elliott on
Monday, 8 December 1997, at 8:22 a.m.
Regarding your exhaust comments, do you think such 'around town' driveability issues will arise when replacing the stock 2.25" cat back system with IPD's 2.5" system? I thought that the relatively freer breathing would help the turbo, and deliver quicker responsiveness.....In addition, for those of us who have installed th ECu upgrade, the larger system is strongly recommended....something about avoiding unacceptable Cat converter heat buildup, and also delivering the performance expected. thanks
Re: 850 Aerofilter[ALL/1998] posted by Mark Klein on
Monday, 8 December 1997, at 9:16 p.m.
A free flowing exhaust (larger diameter) will help top end power output. This can hurt low end. If you put this on a turbo, you'll get more high end but this won't reduce turbo lag any. In fact, a smaller turbo will have less lag.
Yamaha's big bore street bikes have a drum type valve in the exhaust system which tries to take advantage of these properties. At lower rpms the valve restricts the exhaust to help increase low end torque. As the rpms increase, the valve is electronically opened to let it breathe. Last I heard, they are even using this on the factory racebikes. This can make a BIG difference in recovering low end torque.
I am certainly no expert in this complex field. But there are some companies (corporations) which have done "exhaustive" (pun intended) research regarding this.
Catalytic convertors. The only problems I am aware of concerning temperatures are convertors NOT getting hot enough. They need to reach a certain temp for normal efficient operation. Heat shields on an exhaust system arte not just for protecting against grass fires. They are also to keep the exhaust hot going to the convertor. The times I have heard of one getting too hot is when there is an exhaust restriction, this will make a convertor glow red hot and if there is an abnormally rich running condition, this can make one melt internally.