1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

exaust!!!!!!!!!!!!!!!!!!!!!!!!!

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Old 05-18-06, 02:26 AM
  #26  
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damn. Useful as in meaning peak HP/TQ or a specfic rpm point or ??? I have been trying to find info on this for a rotary but no success. It works with the calculations though.

What about expansion chambers, like 2 stroke.
Old 05-18-06, 02:35 AM
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If you can find a book tittled How To Modify Your RX7, your questions will be answered. The book is getting rare, and pricey.
Old 05-18-06, 02:46 AM
  #28  
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Its 65$ at books a million. And you may have to wait up to 3 weeks to get it.
Old 05-18-06, 02:52 AM
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I've seen them listed on Amazon for 185, I think I paid 75 for mine. So much for a book that was 18.95 list.
Old 05-18-06, 02:55 AM
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Originally Posted by rxtory
there is a guy with a FB that managed to make a custom exhaust to work around the gas tank for the dual look, if it was safe or anything i dont know. I might have a picture on here some where
that was cody, that was kinda ghetto. didnt like it at all. but hey to each their own
Old 05-18-06, 03:25 AM
  #31  
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Originally Posted by trochoid
I've seen them listed on Amazon for 185, I think I paid 75 for mine. So much for a book that was 18.95 list.
WOW WTF happened there. Initial D tax + F&F tax X eleventy. No wonder no one owns that book.
Old 05-18-06, 04:31 AM
  #32  
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There are several of us that own 'The Book' One recently sold in the for sale section for 65 iirc.
Old 05-18-06, 10:57 AM
  #33  
love the braaaap

 
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Originally Posted by trochoid
This is the point everyone has missed, including myself.

From a performance stand point, collecting the exhaust at 12, 24, 96, or 108", provides the optimum performance, depending on whether one wants low end torque or high end hp.

Research, testing, dyno and track time have proven this, thus, no one makes or markets a true dual.
Hmmm, interesting. If this is actually true, then why does RB actually make a true dual system for the FC as their top performance exhaust? This to me is still an undecided topic. I have read that the true dual works very well, but is almost worse than stock from other sources. The only reason RB doesn't make a true dual for the FB is the fact that there isn't room.

I am personally doing a true dual in the FC style. To do this I had to do a LOT of work to change out the gas tank for a 16 gal fuel cell. My original tank was rusted out anyway and its like finding a needle in a haystack around here to get a good original tank. I opted to just go with a fuel cell and it satisfies my other plans as well.

Last edited by 85rotarypower; 05-18-06 at 11:01 AM.
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