bee hive oil cooler
06-05-07, 04:11 PM
#2
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yes ... just install a fmoc and you will be fine
the o-rings get hard and start leaking you can get new ones from i think maztrix.com or just ues some black RTV ant you'll be fine
the o-rings get hard and start leaking you can get new ones from i think maztrix.com or just ues some black RTV ant you'll be fine
06-06-07, 09:25 AM
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06-06-07, 09:59 AM
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Try the Mazda dealer
I just phoned my local Mazda dealer and he has lots of these O-rings on the shelf.
I would not recommend getting hardware store rings unless you are sure what material they are made from. The most common would be Nitrile (Buna-N), which is compatible with most petroleum fluids, but NOT brake fluid. Butyl rubber is good for brake fluid.
You can search for a chart like this to get the compatibility info:
http://www.efunda.com/designstandard...ke%20Fluid#mat
In my experience, the beehive coolers are much less prone to leakeage than the front mount coolers, which have problems with leaking hoses and cracked bosses. If the beehive meets your cooling needs, I would stick with it.
I would not recommend getting hardware store rings unless you are sure what material they are made from. The most common would be Nitrile (Buna-N), which is compatible with most petroleum fluids, but NOT brake fluid. Butyl rubber is good for brake fluid.
You can search for a chart like this to get the compatibility info:
http://www.efunda.com/designstandard...ke%20Fluid#mat
In my experience, the beehive coolers are much less prone to leakeage than the front mount coolers, which have problems with leaking hoses and cracked bosses. If the beehive meets your cooling needs, I would stick with it.
Ops.
06-06-07, 12:24 PM
#7
I just phoned my local Mazda dealer and he has lots of these O-rings on the shelf.
I would not recommend getting hardware store rings unless you are sure what material they are made from. The most common would be Nitrile (Buna-N), which is compatible with most petroleum fluids, but NOT brake fluid. Butyl rubber is good for brake fluid.
You can search for a chart like this to get the compatibility info:
http://www.efunda.com/designstandard...ke%20Fluid#mat
In my experience, the beehive coolers are much less prone to leakeage than the front mount coolers, which have problems with leaking hoses and cracked bosses. If the beehive meets your cooling needs, I would stick with it.
I would not recommend getting hardware store rings unless you are sure what material they are made from. The most common would be Nitrile (Buna-N), which is compatible with most petroleum fluids, but NOT brake fluid. Butyl rubber is good for brake fluid.
You can search for a chart like this to get the compatibility info:
http://www.efunda.com/designstandard...ke%20Fluid#mat
In my experience, the beehive coolers are much less prone to leakeage than the front mount coolers, which have problems with leaking hoses and cracked bosses. If the beehive meets your cooling needs, I would stick with it.
Meaning the over tightening of the fittings and the usage of copper sealing washers at the bungs instead of the aluminum ones.
Also what I have seen is the damage underneath to the coolers caused by either parking over the top of the concrete stoppers or other things. This will definitely put stress on the fitting bosses.
The largest amount of 7's that I see in the wrecking yards are the 83-85 12a models with the beehive coolers. Coincidence? Maybe, but it makes you wonder.
This has been my findings over a 20 year period of owning and working on RX-7's.
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06-06-07, 02:06 PM
#9
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I am also a believer in the good'ole beehive, but for my 4port 13b project I'm going fmoc just because it looks better. Hopefully it will keep my oil cooler also! lol
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