saffrizzle
06-04-2007, 02:34 AM
"Mazda was able to avoid this cost by enriching the air/fuel mixture and increasing the amount of unburned hydrocarbons in the exhaust to actually support complete combustion in a 'thermal reactor' (an enlarged open chamber in the exhaust manifold) without the need for a catalytic converter, thereby producing a clean exhaust at the cost of some extra fuel consumption."
Is it possible to bypass this thermal reactor and lean the air/fuel mixture to have less unused gas? Just wondering what the results would be
Brettus
06-04-2007, 02:38 AM
From what context was that quote taken ?
It is nothing to do with RX8 - we still have a Cat .
saffrizzle
06-04-2007, 02:53 AM
wikipedia on the rotary. apparently it was used on rx7s. didnt know if ours applied
StealthTL
06-04-2007, 06:58 AM
My old RX-3 had one, and like NYCPS says, early '7s had 'em, but they are old tech.
S
nycgps
06-04-2007, 12:26 PM
this is the thing that I dont like about wikipedia. they have shit loads of information for sure, but some of them just not *clear* enough.
rotarygod
06-04-2007, 12:30 PM
The last rotaries to have them were the '79-'80 1st gen RX-7's. In '81 they switched to a cat and have never looked back. It was more than just an open chamber. It had some crazy baffling inside that was absolutely horrid for airflow. A cat is a free flowing device by comparison.
Be careful about what you choose to believe on Wikipedia. Some of it is good info. Other bits aren't.
The last rotaries to have them were the '79-'80 1st gen RX-7's. In '81 they switched to a cat and have never looked back. It was more than just an open chamber. It had some crazy baffling inside that was absolutely horrid for airflow. A cat is a free flowing device by comparison.
Be careful about what you choose to believe on Wikipedia. Some of it is good info. Other bits aren't.
Are you sure? IF I remember correctly my 82 GSL had the reactor and a cat.
rotarygod
06-04-2007, 03:10 PM
Nope you had a plain old cast manifold and a cat. All 1st gens 81 and up were this way. The manifold was nothing more than a box. The thermal reactors were big round cast manifolds with internal baffling.
Wow, now if I could only remember who fibbed to me all those years ago. LOL