Need Photos Taken Of Rotor Housings
Rotary Enthusiast
Joined: Jan 2002
Posts: 975
Likes: 5
From: Puerto Rico Land Of The Fastest Rotaries
Is that a Racing beat aluminum Rotor Housing? It looks like one...
Anyway... You can use whatever rotor housings you got available, as long as they match the side housing. The exaust plates? Just remove them and port those fu#$ers.
Anyway... You can use whatever rotor housings you got available, as long as they match the side housing. The exaust plates? Just remove them and port those fu#$ers.
Rotary Enthusiast
Joined: Jan 2002
Posts: 975
Likes: 5
From: Puerto Rico Land Of The Fastest Rotaries
Mazdatrix will also sell a front and a rear rotor. Guess what? I am using two rear rotors for a year now on an 87 6-port exhaust ported turbo converted engine. Believe me it takes runs over 100 mph everyday on my way to work. By the way my tranny is automatic...
I know that you can use 2 mismatched housings. But unfortunately that isnt LEGAL in Arizona. Since my intention was to make the car STOCK (GASP!!! Whats wrong with him??? He wants a stock RX-7?!?!?!). I need to have the correct housings in the correct locations. Once I have a perfecly running perfectly stock car, I will have a baseline for any modifications I make in the future.
mad scientist
Joined: Feb 2001
Posts: 2,665
Likes: 2
From: Savannah, GA
Originally posted by HAILERS
MAZDASPEED7 What I was trying to show is if the front rotor housing was put in place of the rear housing , then the following would happen in your first picture. The acv air would go thru the rectangular hole, down the tube inside the rear housing, out the triangular hole, into what now is the front housing in lieu of the rear housing, and then it cannot go into the large exaust hole with the diffuser looking thing in it. There is no passage for it to do so. The only passage is one of those half inch holes and they are blocked by the exaust gasket on a series four. Did that make sense????? His housings are swapped. Front in rear and Rear in front. The air cannot enter the exaust port because there is no hole for it to enter. There is a hole for it to enter only if the correct housing is in the correct place. The bottom pic was as clear as a person could want. The top pic is a bit out of focus. I understood because I have one sitting in front of me, but J-Rat has his engine put together. Thank you.
EDIT: by the way, does not your exaust gasket cover up the four small holes on your series five. On the series four, all but one of the small holes is covered. The fwd one on the rear housing.
MAZDASPEED7 What I was trying to show is if the front rotor housing was put in place of the rear housing , then the following would happen in your first picture. The acv air would go thru the rectangular hole, down the tube inside the rear housing, out the triangular hole, into what now is the front housing in lieu of the rear housing, and then it cannot go into the large exaust hole with the diffuser looking thing in it. There is no passage for it to do so. The only passage is one of those half inch holes and they are blocked by the exaust gasket on a series four. Did that make sense????? His housings are swapped. Front in rear and Rear in front. The air cannot enter the exaust port because there is no hole for it to enter. There is a hole for it to enter only if the correct housing is in the correct place. The bottom pic was as clear as a person could want. The top pic is a bit out of focus. I understood because I have one sitting in front of me, but J-Rat has his engine put together. Thank you.
EDIT: by the way, does not your exaust gasket cover up the four small holes on your series five. On the series four, all but one of the small holes is covered. The fwd one on the rear housing.
Thread Starter
HAILERS
Joined: May 2001
Posts: 20,563
Likes: 27
From: FORT WORTH, TEXAS,USA
That last picture. Thats the one I needed. See, you have the hole in the top(TOP RED ARROW) that goes to the exaust port and then you have the second hole(bottom arrow) that goes to the half inch hole to the manifold. What you see in that picture is, is a FRONT rotor housing, front view. It has two holes on the front side, but if you looked at the rear side, you would only find ONE hole, the one going to the half inch hole. Now the REAR rotor housing, on its rear side, has THE TWO HOLES just like the ones in this picture. So if you put the front rotor housing where the rear rotor housing goes, there is no passage for the air to go to the exaust port. And even worse the small hole is useless also because the intake gasket covers that hole up and there is no passage at that point in the exaust manifold. ONE DARN GOOD PICTURE OF THE FRONT SIDE OF THE FRONT ROTOR HOUSING. I'M INDEBTED TO YOU MAZDASPEED7!
Last edited by HAILERS; Feb 6, 2002 at 05:45 AM.
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