Mailing List flyrotary@lancaironline.net Message #53588
From: <Lehanover@aol.com>
Subject: Re: [FlyRotary] Apex seal update cont
Date: Thu, 13 Jan 2011 22:57:53 EST
To: <flyrotary@lancaironline.net>
In a message dated 1/13/2011 9:50:05 P.M. Eastern Standard Time, cbarber@texasattorney.net writes:

I am still waiting for the Mazda apex seal springs to arrive from Mazdatrix.  I will now need to order the rubber inserts as well and the corner springs and wait for them to arrive.

 

Thoughts?

 

I on an RX7 forum that some of the early RA springs are now known to be weak links. 

 

I am attaching some photos. Note, the springs are laying on their sides.

 

All the best,

 

Chris Barber

Houston


I used the solid corner seals from Mazda as the ones with the hole for the rubber plug tend to break under hard usage. Note the small cross section at the bottom of the hole. I have never broken a solid corner seal. They are a powdered metal product.
 
The rubber plugs were a trick to get through emissions in California. (cold start) They soon get hard as diamonds, break up into pieces and fall out of the corner seal. Often being run over by the rotor.
 
If I am provided pieces for an engine, I leave out the rubber plugs. I seldom find them still in high mileage engines.
 
Lynn E. Hanover
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