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Old 06-01-2009, 04:04 PM   #16
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Poppin, see me at the barn i can get u a EB Mods one.
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Old 06-01-2009, 08:21 PM   #17
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I have a couple of O'Donnell fuel filters off the ZO1B that are HUGE, think though would work pretty good for exhaust coolers? Or would I be better off with something that actually has heatsink fins?
Anyone?
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Old 06-02-2009, 09:05 AM   #18
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These are the O'Donnell filters I have, they are really big, think these would work good as exhaust gas coolers?

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Old 06-02-2009, 09:09 AM   #19
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These are the O'Donnell filters I have, they are really big, think these would work good as exhaust gas coolers?

no. You need heat sink fins.
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Old 06-02-2009, 12:22 PM   #20
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if they couldn't make 5 min without running out of fuel...i would think they had bigger issues then just some hot gas.
1/8th on road struggle quite often to get 5 mins and engines do very well to last half a season. If you think on road guys cant tune your VERY mistaken.
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Old 06-02-2009, 01:08 PM   #21
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These are the O'Donnell filters I have, they are really big, think these would work good as exhaust gas coolers?
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Originally Posted by jpalessi View Post
no. You need heat sink fins.
It will work, but heat sink fins will increase the volume and areal beeing cooled, so a custom cooler will naturally be much more efficient.
The filter is made of metal, and metal will lead heat about 100 times more efficient than the fuel tubing, some heat will in other words be absorbed and redirected compared to not absorbing anything at all, like fuel tubing does.

But remember, the fuel filter is built to deal with liquids, and not hot gases. This is yet another point where leaks might occur. Its cheap to try out though.
I tried it for a while, but at the time I had other issues than fuel milage, so I really didn't measure any differences.
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Old 06-02-2009, 05:12 PM   #22
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Anyone ever try this? - http://www.amainhobbies.com/product_...ust-Gas-Cooler

If you have, how big is it? Does it work well? Does it work better than say a "straight through style" exhaust cooler like the RB and Novarossi ones?
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