07-05-2022, 02:39 AM | #21 | |
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Re: Engine temp rises when I get to cruise speed
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07-05-2022, 02:47 AM | #22 |
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Re: Engine temp rises when I get to cruise speed
Well... I guess if you have worked it out with them, there might be some more work needed then.
I'm very grateful to them for making a product that we need. Sounds like they are tailoring something specif to you. It'd be hard for me to poop on a company that makes a great product for most over your needs. But I suppose they have to expand their market base as people have to have all the bells. Hope it works out. I'm just a regular flathead putter. With all the mods why wouldn't you just go back to the ebay rad? Not like anyone thinks its original? or need the rad core supports to set up the hood. My guess you are 12v too. It's a track motor in a daily driver. Have fun! Last edited by Tinker; 07-05-2022 at 03:33 AM. |
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07-05-2022, 09:39 AM | #23 | |
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Re: Engine temp rises when I get to cruise speed
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07-05-2022, 10:03 AM | #24 |
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Re: Engine temp rises when I get to cruise speed
Is it possible your new shroud is restricting airflow at speed?
I've seen openings in shrouds with rubber flaps that open at higher road speed to permit more airflow than fan opening permits. Seems to me the engine running 3000 at 60 mph would be working harder than engine running 3000 at 30 mph. |
07-05-2022, 10:06 AM | #25 |
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Re: Engine temp rises when I get to cruise speed
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07-05-2022, 01:37 PM | #26 | |
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Re: Engine temp rises when I get to cruise speed
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While it is a nice piece of craftsmanship, if it don't work, it's useless. I don't want to point to the function of the radiator, but that's what people are saying. The ebay aluminum radiator looks like absolute crap in my car and I only put it in because I ordered the Brassworks unit. Yes it's 12 volt Thanks! Joe |
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07-05-2022, 01:39 PM | #27 |
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Re: Engine temp rises when I get to cruise speed
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07-05-2022, 01:44 PM | #28 | |
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Re: Engine temp rises when I get to cruise speed
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I don't understand how a motor works harder at 60 mph than 30 mph still the same rpm, but that's just me! Thanks Joe |
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07-05-2022, 01:52 PM | #29 |
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Re: Engine temp rises when I get to cruise speed
It takes more work to go 60 mph versus 30 mph. Even though your engine speed may be the same at both speeds, due to different gears, going 60 mph will require more torque.
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07-05-2022, 01:54 PM | #30 |
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Re: Engine temp rises when I get to cruise speed
Something to consider the load on the engine at 60 MPH is greater than at 30 MPH even at the same RPM. The vacuum reading at 60 will be less than at 30 showing the engine is now under greater load. You really need to determine if the radiator is actually dropping temp entering the engine from what it was leaving the engine.
Ronnieroadster
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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 |
07-05-2022, 02:18 PM | #31 |
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Re: Engine temp rises when I get to cruise speed
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07-05-2022, 02:24 PM | #32 | |
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Re: Engine temp rises when I get to cruise speed
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https://www.amazon.com/Four-Seasons-...29593193&psc=1 |
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07-05-2022, 02:46 PM | #33 | |
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Re: Engine temp rises when I get to cruise speed
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That will work one temp gauge at the head and one at the water pump now you can see what's going on with the radiator 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 |
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07-05-2022, 03:36 PM | #34 | |
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Re: Engine temp rises when I get to cruise speed
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When you ran water, did you use anything special or just tap water? Any additive like No-Rosion? Thanks Joe |
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07-05-2022, 03:40 PM | #35 | |
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Re: Engine temp rises when I get to cruise speed
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Stick your hand out the window at 30 mph and you feel the wind drag. Do that at 60 and the drag is no twice as much, it is four times as much, because wind resistance is a function of the square of velocity. So the horsepower required to push that car through the air goes up rapidly with speed. An with the generation of horsepower comes the generation of heat. At 60, air flow through the radiator is not the problem, it is the cooling capacity of the radiator. Need more frontal area, more fin area, good contact between fins and tubes, clean radiator interior. I had the both problems, overheating in traffic and at highway speeds. A cute little aluminum radiator rated for 500 horsepower (a lie) would not do the job, but a good clean stock truck radiator finally solved the overheating issues. |
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07-05-2022, 04:55 PM | #36 | |
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Re: Engine temp rises when I get to cruise speed
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07-05-2022, 06:11 PM | #37 | |
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Re: Engine temp rises when I get to cruise speed
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I used tap water and added water pump lube when I could find it at the local parts stores. Ronnieroadster
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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 |
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07-06-2022, 01:01 PM | #38 | |
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Re: Engine temp rises when I get to cruise speed
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He also asked for pictures for the shroud on my puller because he thinks that could be a potential problem. It may actually be slowing the air down. This is why they use reliefs in their shrouds. I'll be able to get the supply temp gauge in this weekend if all the parts come in time. I'll post the results if that happens. Thanks Joe Last edited by jrvariel48; 07-06-2022 at 01:07 PM. Reason: add to post |
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07-06-2022, 02:08 PM | #39 |
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Re: Engine temp rises when I get to cruise speed
Something that I'd try is to remove the shroud (as it would only help at idle or slow speed) and see what happens. This would be a pretty simple test and might provide you with some additional data points.
My 32 Cabriolet does not have a shroud - it has a stock (recored) radiator, stock fan in stock location, etc.. The engine has been bored to 3 5/16 and total CI is 284. The block was NOS (so no crud buildup). The engine can sit in traffic and not get hot (even on 90 degree days) and it always cools well going down the road (have been up to 75+ a few times). I'd check the AFR first, re-jet the carb to get the cruise setting down a bit, then see what you get. Then (regardless of the AFR), I'd pull the shroud off and see what happens at both idle/slow speed and higher speed cruise. Best of luck! B&S |
07-06-2022, 04:29 PM | #40 | |
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Re: Engine temp rises when I get to cruise speed
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As always, thanks for your input Joe |
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