RV-List Digest Archive

Fri 12/19/08


Total Messages Posted: 2



Today's Message Index:
----------------------
 
     1. 06:42 AM - Oil Cooler Selection (James H Nelson)
     2. 06:41 PM - Oil Cooler Selection (Bill Judge)
 
 
 


Message 1


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    Time: 06:42:00 AM PST US
    Subject: Oil Cooler Selection
    From: James H Nelson <rv9jim@juno.com>
    Dwight, I live in central Florida and have the same system you have. I use the Posi---- what ever oil cooler from Van's and baffle mounted it. I added a brace from the inside (centerline side) of the cooler to the mounting tab flange on the engine for the purge valve. This made the oil cooler solid to the engine rather than just attached to the baffle. I have had no cooling problems . I started flying July 1st and only got the oil temps high by leaning (220*F). Now that it is winter (?) here in Florida, I watch to be sure it gets warm enough (over 180*F). I do like the AFP fuel injection system and especially the purge valve. Jim ____________________________________________________________ Free information - Learn about Hardwood Floors. Click now! http://thirdpartyoffers.juno.com/TGL2141/fc/PnY6rw2eFAHLrX5yxmZQ6W93pZCmRSCYeKksvW6lnoUnBYJ2bqfrV/


    Message 2


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    Time: 06:41:48 PM PST US
    From: "Bill Judge" <bjudge@gmail.com>
    Subject: Oil Cooler Selection
    I've been running a setrab 10 row oil cooler mounted to the baffles for ~150 hrs and never had an oil temp issue. the highest I see on a 100 F day is 200 F oil temp. Cruise will generally settle out around 170 F. It is about 1/4 of the stock cooler size. I had a friend who was running one in a 180 hp RV-6 and I figured it was worth a try. I made the swap because the stock cooler kept cracking my baffles and my temps were always low even with the stock cooler completely covered. I beefed up the baffles when I did the change out so it's hard to tell if the lack of cracks is from the extra material, decreased weight or combination. Either way I was cracking baffles about every 60 hrs before. no problems since. Bill Judge N84WJ 330 hrs. rv-8.blogspot.com > > > Time: 01:53:20 PM PST US > From: Dwight Frye <dwight@openweave.org> > Subject: RV-List: Oil Cooler Selection > > > I am building an RV-7, and am installing the 180HP XP-360 engine with > an Airflow Performance FI system. I got the stock/standard oil cooler > in my firewall-forward package (Van's part "EA OIL COOLER II"). > > Reading comments from others my impression is that the -7s have a > tendency to run hot. I'm curious as to the impression other on the list > have about the best oil cooler to run with the setup I intend to install. > Right NOW is the time for me to make a decision, as I'm just starting > to do some baffle work. > > Clearly, if I stick with the existing cooler I can baffle-mount it, > but if I switch to the larger Stewart/Warner style ol cooler (Van's > part "EA OIL COOLER 20006A") I'll need to firewall mount the cooler > and the baffle behind the #4 cylinder will need a fitting for four > inch SCAT hose. > > So ... whats the collected wisdom on this issue, folks? Chime in if > you have experiences one way or the other. And ... thanks! > > -- Dwight Frye > > > ________________________________ Message 3 > _____________________________________ > > > Time: 03:43:39 PM PST US > From: David Cudney <yenduc@sbcglobal.net> > Subject: Re: RV-List: Oil Cooler Selection > > > Dwight: > > I just finished flying off my hours with an XP IO 360. I used the > factory mount and radiator mounted on the baffling behind # 4 > cylinder. I started flying off my hours in October when daytime temps > here in SOCal were in the high nineties and low 100s. Oil temps did > not go above 220 and as the engine broke in were normally between 180 > and 195. I did do some extra bracing as has been reported by others > to reduce vibration and avoid cracking of the cooler mount and > baffling. I really like the engine -- it did take some practice to > get used to hot starts with the Airflow FI induction system, but it > is easy once you get used to it. > > best wishes > dave RV 7A > > > On Dec 18, 2008, at 2:10 PM, Dwight Frye wrote: > > > > > I am building an RV-7, and am installing the 180HP XP-360 engine with > > an Airflow Performance FI system. I got the stock/standard oil cooler > > in my firewall-forward package (Van's part "EA OIL COOLER II"). > > > > Reading comments from others my impression is that the -7s have a > > tendency to run hot. I'm curious as to the impression other on the > > list > > have about the best oil cooler to run with the setup I intend to > > install. > > Right NOW is the time for me to make a decision, as I'm just starting > > to do some baffle work. > > > > Clearly, if I stick with the existing cooler I can baffle-mount it, > > but if I switch to the larger Stewart/Warner style ol cooler (Van's > > part "EA OIL COOLER 20006A") I'll need to firewall mount the cooler > > and the baffle behind the #4 cylinder will need a fitting for four > > inch SCAT hose. > > > > So ... whats the collected wisdom on this issue, folks? Chime in if > > you have experiences one way or the other. And ... thanks! > > > > -- Dwight Frye > > > > > > > ________________________________ Message 4 > _____________________________________ > > > Time: 03:48:28 PM PST US > From: "Jerry Grimmonpre" <jerry@mc.net> > Subject: RV-List: Oil Cooler Selection > > Check this out Dwight ... it was sent to me by this builder last year, > he installed a SW ... just an idea for you. Jerry > ----- Original Message ----- > From: crunk12 > Sent: Saturday, March 31, 2007 1:05 PM > Subject: Firewall mounted oil coolers > > > Jerry, > Sorry for butting-in but I sent some other -8 builders this pic of my > installation. I've had the airplane in Phoenix in 116 degree weather and > had no problems. (I live in Atlanta) > I hope this will be of some help. This shows the positech which didn't > work from the start, i.e., the first flight. > I replaced it with the S/W and have had no problems since. > I hope this will be of some help. > Jim Crunkleton N802JD > > > I am building an RV-7, and am installing the 180HP XP-360 engine with > an Airflow Performance FI system. I got the stock/standard oil cooler > in my firewall-forward package (Van's part "EA OIL COOLER II"). > > Reading comments from others my impression is that the -7s have a > tendency to run hot. I'm curious as to the impression other on the list > have about the best oil cooler to run with the setup I intend to > install. > Right NOW is the time for me to make a decision, as I'm just starting > to do some baffle work. > > Clearly, if I stick with the existing cooler I can baffle-mount it, > but if I switch to the larger Stewart/Warner style ol cooler (Van's > part "EA OIL COOLER 20006A") I'll need to firewall mount the cooler > and the baffle behind the #4 cylinder will need a fitting for four > inch SCAT hose. > > So ... whats the collected wisdom on this issue, folks? Chime in if > you have experiences one way or the other. And ... thanks! > > -- Dwight Frye > >




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