07-15-2022, 02:30 AM | #141 | |
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Re: Engine temp rises when I get to cruise speed
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If enough people think I should remove them for the summer months, I could certainly do that. Anyone want to add their experience with no stats??? I'm just pissed that they won't good on it after they "assumed I couldn't fit a larger core" I think it's a BS excuse. Let's see what I can figure out I don't need my motor at 180*, but I don't like 210* either. Thanks Tinker! |
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07-15-2022, 02:37 AM | #142 | |
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Re: Engine temp rises when I get to cruise speed
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One day. |
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07-15-2022, 10:17 AM | #143 | |
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Re: Engine temp rises when I get to cruise speed
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07-15-2022, 08:27 PM | #144 | |
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Re: Engine temp rises when I get to cruise speed
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Removed the head, the gasket showed leaking down the center , new gasket cured it Had a 46 big truck, the flea market truck, always 2 ton load, put in a 49 merc engine, split the exhaust, put a new 69 mustang 302 muffler on it for the second muffler , pulling a hill that bank would overheat, had to throttle by temperature, put a second stock muffler and the problem went away. amazing that a muffler for a 302 was too restrictive for 1/2 of a flathead. Last edited by Kurt in NJ; 07-15-2022 at 08:34 PM. |
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07-16-2022, 04:02 PM | #145 |
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Re: Engine temp rises when I get to cruise speed
Been away testing the race car for Speedweek so I'm just catching up on what's happening. Its going to be interesting to see if the shroud modification accomplishes anything. Its best to try one thing at a time however the shroud modification's may be the last experiment.
Ronnieroadster
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07-17-2022, 05:47 AM | #146 |
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Re: Engine temp rises when I get to cruise speed
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07-17-2022, 05:52 AM | #147 | |
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Re: Engine temp rises when I get to cruise speed
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The exhaust issue is also vey intriguing. I'm using 12" long Smitty's mufflers. The system has very few minor bends except the 90* bends where the exit the side of the car. Thank you, Joe Last edited by jrvariel48; 07-17-2022 at 10:16 AM. |
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07-17-2022, 06:01 AM | #148 | |
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Re: Engine temp rises when I get to cruise speed
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I'm very skeptical about the shroud mod doing anything so it's actually the first thing I did. I'm also not 100% sure this particular fan without the shroud will do much either. I believe the fan and shroud are designed together so I don't know if the fan by itself will be enough. I'm going to try testing it today if the weather holds up. If that fails, I'll change my initial timing to 12* and see how that goes. After that I'll change jets to richen things up a bit Before I remove the shroud, I owe a phone call to Sam from CCI, the makers of the fan/shroud, to let him know what happened. He was pretty confident that this would do the trick. I'll ask him if that fan could be run effectively without the shroud. Thanks Joe |
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07-17-2022, 10:25 AM | #149 |
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Re: Engine temp rises when I get to cruise speed
This test is being done without the grille/lower grille pan.
First test complete-nothing changed. 73* outside temp. I cut the shroud and moved it higher as recommended by the manufacturer. I drove the backroads at 10-20, 20-30 and 30-40 mph and the temp stayed at about 190*. As soon as I got on the highway past 55mph it went up to 205* after about 2 minutes off of the highway, the temp dropped back to 190* Test 2 complete-nothing changed 79* outside temp Fan and shroud stayed the same. I bumped up my initial timing to 12* Temp went up to 190* again cruising at low speeds and shot up to 205* again at higher speeds. Right now it seems to point to the radiator. As I was taking the car apart on Friday I have to tell you I was not happy! Lee from Brassworks is really a pompous guy and is not taking any blame for this and that pisses me off. I did speak to Chuck at CAR here in Jersey that ronnieroadster recommended and he'll build me a 4" core. I don't have a problem fitting the 4" core I just can't get a puller in there. This is where Lee "ASSUMED" I needed a 2 5/8" core. That's just dumb, plain and simple. I told him I WILL NOT run two fans and this will be his excuse for not accepting responsibility. I know a puller fan is better, but it's hard to believe a pusher can't get the job done. Thanks, Joe Last edited by jrvariel48; 07-17-2022 at 10:31 AM. |
07-17-2022, 11:33 AM | #150 |
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Re: Engine temp rises when I get to cruise speed
Get a real radiator in there and your pusher fan will likely be just fine. Pompous guys really annoy me....fragile egos.
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07-17-2022, 11:59 AM | #151 |
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Re: Engine temp rises when I get to cruise speed
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07-17-2022, 01:33 PM | #152 | |
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Re: Engine temp rises when I get to cruise speed
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A puller fan with a shroud creates a vacuum within the entire shroud. A pusher fan creates a turbulence beyond the perimeter of the blades that prevents free air flow at those points beyond the perimeter of the blades.
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07-17-2022, 04:06 PM | #153 |
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Re: Engine temp rises when I get to cruise speed
I guess the only real way to tell is to put this puller fan on another radiator
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07-17-2022, 04:12 PM | #154 |
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Re: Engine temp rises when I get to cruise speed
Joe I use a relatively small diameter puller electric fan that I located between the blower pulleys and idler assembly on both of the family Deuces. Since the fan is only needed around town once you have a radiator that's working better the size of the fan I feel will not need to be very large. Todays electric fans are really thin thanks to the pan cake type motors actually thinner than the much older fans I have from the last century.
To test how much of the radiator core the fans I use actually pull air threw on my Deuces if I put a sheet of paper at any location on the outside of the grill the paper will stay in place I'm surprised on how well just a small puller works. Ronnieroadster
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07-17-2022, 04:43 PM | #155 | |
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Re: Engine temp rises when I get to cruise speed
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Thanks Joe |
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07-17-2022, 05:11 PM | #156 |
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Re: Engine temp rises when I get to cruise speed
Joe here's the dimension first the core is 3-1/2 inches thick remember this is a 32 so the original radiator support and mounting is no more than 3 -1/2 inches wide. The core is a staggered tube design with full fins from side to side the tube count side to side is 27.
I'm not able to count the the number of tubes from front to back due to the staggered arrangement but I will say there's a lot of them maybe less than seven but is hard to tell. Since the tape was out measured the fan as well its 12 inches in diameter and being old its 4 -1/2 inch's out from the core.
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I use the F word a lot no not that word these words Flathead , Focus and Finish. "Life Member of the Bonneville 200 MPH Club using a Ford Flathead block" Owner , Builder, Driver of the First Ford Flathead bodied roadster to run 200 MPH Record July 13, 2018 LTA timing association 200.921 in one and a half miles burning gasoline. First ever gas burning Ford flathead powered roadster to run 200 MPH at Bonneville Salt Flats setting the record August 7th 2021 at 205.744 MPH |
07-17-2022, 05:17 PM | #157 | |
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Re: Engine temp rises when I get to cruise speed
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07-17-2022, 05:18 PM | #158 |
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Re: Engine temp rises when I get to cruise speed
FWIW, everything else being equal, and if my memory serves me correctly, you can simply extrapolate coolant temps at different ambient temps based on the difference between the ambient temp you wish to theorize about. For example, if you have a coolant temp of 205F at 80F ambient, and want to know what the coolant temp would be at 100F (under the exact same operating conditions), you would simply add the difference between the two ambient temps to the coolant temp. So, under the same conditions, at 100F ambient, the coolant temp would be 225F. At least that is how we used to calculate coolant temps at higher than available ambient temps.
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07-18-2022, 02:19 AM | #159 | |
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Re: Engine temp rises when I get to cruise speed
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Thanks Joe |
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07-21-2022, 08:41 AM | #160 |
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Re: Engine temp rises when I get to cruise speed
Been following this from page one,...... any updates?
Thanks!
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