Best radiator to go with M2 SMIC?
12-21-07, 09:50 PM
#27
Derwin
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Thanks for all the posts and recommendations.
I did some more reading of the previous threads and those were equally helpful. Funny thing is that I did do searches here on the Koyo and SMIC before, but did not get many hits. So thanks for pointing me in the right direction.
The consensus seems to be that the Fluidyne is an easer fit, but the Koyo offers better cooling and with bit of work can still be shoe-horned in. The "wild horse" seems to be the Mazdacomp (Rod Davis) product. Not much written about this radiator.
Many of you wrote about the duct (diffuser) that comes with the SMIC, which I neglected to mention. Thanks for catching that. The other thing I neglected to mention is the M2 cold air intake. But even with that, the posts seem to say that whichever radiator I decide on, it will not be a drop in, but it can be made to work.
Oh, one more thing. Sorry, but since I'm a newbie, I can only e-mail and PM the admins. Guess I got to get busy and post everywhere on this list.
I did some more reading of the previous threads and those were equally helpful. Funny thing is that I did do searches here on the Koyo and SMIC before, but did not get many hits. So thanks for pointing me in the right direction.
The consensus seems to be that the Fluidyne is an easer fit, but the Koyo offers better cooling and with bit of work can still be shoe-horned in. The "wild horse" seems to be the Mazdacomp (Rod Davis) product. Not much written about this radiator.
Many of you wrote about the duct (diffuser) that comes with the SMIC, which I neglected to mention. Thanks for catching that. The other thing I neglected to mention is the M2 cold air intake. But even with that, the posts seem to say that whichever radiator I decide on, it will not be a drop in, but it can be made to work.
Oh, one more thing. Sorry, but since I'm a newbie, I can only e-mail and PM the admins. Guess I got to get busy and post everywhere on this list.
About the Ron Davis our club had a GB on it awhile ago and a friend is going Vmount if you choose to go that way PM me.
12-22-07, 02:30 PM
#28
Ugly-Duckling Stage
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Hey DRADON03,
Yes I'm interested in the Mazdacomp radiator, but I cannot PM or e-mail you because of the restrictions placed on newbies to this list. Would you please e-mail me!
Yes I'm interested in the Mazdacomp radiator, but I cannot PM or e-mail you because of the restrictions placed on newbies to this list. Would you please e-mail me!
12-28-07, 01:53 PM
#31
Ugly-Duckling Stage
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What SCC Article Says About Radiators
There were some great recommendations in this thread, and I wanted to compare these with what was published in the Sport Compact Car series of articles published back in 98-00 on their FD project. Another reason for this was that back then they used mostly M2 parts and this is the bin of parts I have.
The article says that Brian Richards (x-M2 proprietor) installed in the SCC project a Mazda Competition aftermarket radiator manufactured by Anthony Woodford Racing (AWR). This all-aluminum replacement has 50% more capacity than the stock unit. The article goes on to say that some fitting was required, but that Woodford documented all the necessary adjustments/modifications and will incorporate these changes in the redesign, which will allow the Mazda Competition radiator to install per instructions in the Rx7 workshop manual.
So, it seems that Mazda Competition radiator should have no fitment issues, but the post suggests that these are rather pricey. From my reading, I have a slightly different take. The Mazda Competition (Ron Davis), back in 99 timeframe, built the cores, but the radiator was put together by AWR. I don't think AWR is the same as PWR. Anyhow, a quick check on the Internet shows that AWR is still around and offers the FD radiator for $505.
I don't have figures to show how the AWR radiator compares in cooling performance with the Koyo N-flow, but IMO avoiding fitment problems may be worth the extra $100.
The article says that Brian Richards (x-M2 proprietor) installed in the SCC project a Mazda Competition aftermarket radiator manufactured by Anthony Woodford Racing (AWR). This all-aluminum replacement has 50% more capacity than the stock unit. The article goes on to say that some fitting was required, but that Woodford documented all the necessary adjustments/modifications and will incorporate these changes in the redesign, which will allow the Mazda Competition radiator to install per instructions in the Rx7 workshop manual.
So, it seems that Mazda Competition radiator should have no fitment issues, but the post suggests that these are rather pricey. From my reading, I have a slightly different take. The Mazda Competition (Ron Davis), back in 99 timeframe, built the cores, but the radiator was put together by AWR. I don't think AWR is the same as PWR. Anyhow, a quick check on the Internet shows that AWR is still around and offers the FD radiator for $505.
I don't have figures to show how the AWR radiator compares in cooling performance with the Koyo N-flow, but IMO avoiding fitment problems may be worth the extra $100.
12-28-07, 02:10 PM
#32
^ I agree with your opinion and can tell you that you would have even more fitment issues with the N-flow since it is thicker than the regular Koyo. I was unable to mount the regular Koyo with the M2 Large fwiw. When I searched on that topic, I found a bunch of threads that proved I was not alone with those fitment issues.
I now run a custom v-mount with my old Koyo rad and the M2 Large IC.
I now run a custom v-mount with my old Koyo rad and the M2 Large IC.
12-28-07, 10:18 PM
#34
Derwin
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vr2cym, I think @ 505 I would go for it. It will cost me more to get it to you because I am in Canada.
Go with the Mazdacomp and you won't have any regrets. AWR distributes RonDavis...
Go with the Mazdacomp and you won't have any regrets. AWR distributes RonDavis...
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