Improving low end torque
#21
04-26-2009, 05:33 PM
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Location: Ontario Canada
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As per Blu3's comment you can track one down at Summit, Jeggs, or any other retailer of performance parts. I've run the Magnaflow unit and it seems to do pretty well. Also, thanks for the recognition Blu3. It’s nice to hear someone else echo the virtues of exhaust velocity as opposed to “backpressure.”
As for removal of the cat's you'll get better performance numbers but that’s about it. The environmental impact of removing the converter would far outweigh the miniscule effect of the fuel consumption gains (even with PCV valves, computer controlled fuel mixtures, etc.).
No intent to flame here just tryin’ to tell it as it is. In short I would simply look to do what you can to maintain the exhaust gas flowing quickly. Like I said… smooth out the flow, minimize the impediments and you’ll see improvements to the low end.
As for removal of the cat's you'll get better performance numbers but that’s about it. The environmental impact of removing the converter would far outweigh the miniscule effect of the fuel consumption gains (even with PCV valves, computer controlled fuel mixtures, etc.).
No intent to flame here just tryin’ to tell it as it is. In short I would simply look to do what you can to maintain the exhaust gas flowing quickly. Like I said… smooth out the flow, minimize the impediments and you’ll see improvements to the low end.
#22
12-29-2010, 03:54 AM
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Join Date: Dec 2010
Location: Boston, Ma
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I just got this installed:
http://www.louscustomexhaust.com/ss409.html
and it lowered my rpms in all gears. I towed a 6x12 enclosed trailer which probably weighs close to what your trailer loaded weighed and if not the few thousand pounds in tools definite pushed it over what you were hauling and had little problem going from Indiana to Boston. It was slow going up hills to keep the rpms down but even in tow haul mode I was do 65 up hill under 2k rpms for a good chunk of the trip. I changed the pipe up to 2.5" I think from the ypipe back with dual outs. Not very loud, can hear it around 2k rpms and that's about it.
http://www.louscustomexhaust.com/ss409.html
and it lowered my rpms in all gears. I towed a 6x12 enclosed trailer which probably weighs close to what your trailer loaded weighed and if not the few thousand pounds in tools definite pushed it over what you were hauling and had little problem going from Indiana to Boston. It was slow going up hills to keep the rpms down but even in tow haul mode I was do 65 up hill under 2k rpms for a good chunk of the trip. I changed the pipe up to 2.5" I think from the ypipe back with dual outs. Not very loud, can hear it around 2k rpms and that's about it.
#23
12-29-2010, 11:54 AM
Record Breaker
