Exhaust and other questions
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Exhaust and other questions
I'm in the middle of my 22r rebuild on my '86 4x4, finally, and I had a few questions that some of you guys may be able to help with.
1) What size exhaust tubing should I use when I redo my exhaust? I've never worked on a 4cyl before, and it occurred to me that 3" may be a bit excessive.
2) What's a decent muffler that's not going to make it sound like some obnoxious lowered mini truck, but still give it a little extra HP?
3) Has anyone tried a heavier flywheel, and what does it do to the power characteristics, mileage, top speed, gear spacing, etc.?
4) What header/muffler am I looking for if I want to do away with my catalytic converter? I live in a farming community and I don't have to smog my vehicles. I really want to do away with as much of the emissions crap as possible, but not sure what exactly I need to keep it running right.
1) What size exhaust tubing should I use when I redo my exhaust? I've never worked on a 4cyl before, and it occurred to me that 3" may be a bit excessive.
2) What's a decent muffler that's not going to make it sound like some obnoxious lowered mini truck, but still give it a little extra HP?
3) Has anyone tried a heavier flywheel, and what does it do to the power characteristics, mileage, top speed, gear spacing, etc.?
4) What header/muffler am I looking for if I want to do away with my catalytic converter? I live in a farming community and I don't have to smog my vehicles. I really want to do away with as much of the emissions crap as possible, but not sure what exactly I need to keep it running right.
Last edited by maicomega1; 03-30-2009 at 06:27 PM. Reason: forgot something
#2
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2" to 2.25" is a decent size for a 22R:
- http://www.4crawler.com/4Runner.shtml#Engine
I run a 10 lb. heavier than stock flywheel and find it works well off-road, helps with the very low end torque, below about 1000 RPM.
- http://www.4crawler.com/4Runner.shtml#Engine
I run a 10 lb. heavier than stock flywheel and find it works well off-road, helps with the very low end torque, below about 1000 RPM.
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