RX7 oil coolers, do they work? |
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RX7 oil coolers, do they work? |
DanT |
Jan 5 2006, 07:46 PM
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#1
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Going back to the Dark Side! Group: Members Posts: 4,300 Joined: 4-October 04 From: Auburn, CA Member No.: 2,880 Region Association: None |
Any one used one on their car and does it work efficiently...especially for a track car? (IMG:http://www.914world.com/bbs2/html/emoticons/rolleyes.gif)
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brant |
Jan 5 2006, 11:03 PM
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#2
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914 Wizard Group: Members Posts: 11,641 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains |
Dan,
usually the NEW mazda coolers that are used are not really RX-7 coolers. they are a mazda speed product that is the correct size for AN-10 or AN-12 I think John/otto's runs a lot of these and this apparently a very good cooler. Regarding the RX-7 actual cooler. most of the time the discussion about these is for a Used cooler it is probably a tiny bit safer than your average used cooler since a rotory motor has less moving parts than a piston motor, and when a rotary motor "blows up" it is usually just loosing its apex seals and not contaminating the oil as much as when a piston motor blows up. However.... the rx-7 cooler have a built in thermostat and the very small and restrictive inlets and outlets. If you were to actually buy an RX-7 cooler you would need to have the end cut off from it. The thermostat gutted, and new correct size fitting tig'd on. After all of that it would be smart to then have it cleaned ultrasonically unless you knew and very much trusted the person performing the work. at that point your used cooler is not much cheaper than a new cooler that is of the correct size to start with. and most people figure for another 30bucks that they will take the new cooler with no risk of damaging their motor. so yes the rx-7 cooler can work but it is not optimum. brant |
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