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

5/6 port operation on 13B

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Old 03-24-06 | 07:57 PM
  #26  
capt murph's Avatar
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From: PA
Talking Mission Completed...kinda

I re-assembled the parts, and she runs fine, however, the aux . ports still are not operational. The air pump takeoff that JIMMY54 supplied was a bit to noisey for me. It sounded like a 4 cylinder with lots of valve train chatter. I guess I need a block off plate for the ACV, as leaving the ACV port open, you get some wierd noises from there. And the air pump excess shooting out makes its own noise.

SO I will look into another method to get them operating. Perhaps I will wire them open as a test to get a feel for upper end performace that I am missing. Maybe I will use the exhaust back pressure like the original design.

But hey, she's backon the road!
Attached Thumbnails 5/6 port operation on 13B-completed-..-almost-resized.jpg   5/6 port operation on 13B-pump-acv-tube-resized.jpg   5/6 port operation on 13B-air-pump-takeoff-resized.jpg  
Old 04-13-06 | 07:09 AM
  #27  
deimox's Avatar
Never again I said....
 
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From: Olympia, WA
I'm about to head down this same road and was curious as to what, if anything you had decided. At this time I'm planning on cleaning up the actuators, and as much as I am loath to I'll probably bite the bullet and pull off the manifolds and do a proper job (longduck wrote up something I read on the topic a while back that convinced me to do a proper job so it doesn't become a frequent hassle).

Afterwards I'm thinking of getting that mazdatrix header (as my header is the only stock portion of my exhaus system left) and then feeding the exhaust back and hoping it works on par with the original factory setup.

Speaking of which, does anyone have any first hand experiance with a similar setup, do they seem to provide enough pressure to activate fully functional actuators?

Thanks,
Adam
Old 04-13-06 | 11:06 AM
  #28  
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At this point I have the actuators off and the valves in the open position (secured).

Presently I am thinking about tapping into the large (1"+) rubber line that feeds the ACV in order to get the 3+ PSI needed to open the actuators. I need a new gauge as my old one is damaged. Has anyone tried this before?
Old 04-13-06 | 11:34 AM
  #29  
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Wait! What's THIS????

It sounded like a 4 cylinder with lots of valve train chatter.
hahahhaa. sounds like something we talked about on the phone.
Old 04-13-06 | 02:01 PM
  #30  
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From: south sound
the Mazdatrix modified RB header works great at making the six port sleves open. I have the Pineapple Racing sleve inserts also.

Attached Thumbnails 5/6 port operation on 13B-rbheader.jpg   5/6 port operation on 13B-pr6pi-collage2a.jpg   5/6 port operation on 13B-right.jpg  
Old 03-01-14 | 02:31 AM
  #31  
sti-g's Avatar
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From: new york
i just bought a rx7 gsl se 84 and im missing the actuator for 5-6 ports any one know best website to buy them or is anyone selling a couple?
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