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| Transmission temps. | Login/Join |
DRR Top Comp |
Who all monitors transmission temperatures? Pan temps? Line temps? Like to know how much hotter this temp is than pan for those who know. What is your peak temps? What coolers do you like? Part of my decision for the cooler will be based on where I mount it on the car due to size. Going to start pulling car apart today to make decisions on what goes where. I am building a new Altered. On my Front Engine Dragster I really do not remember what transmission temps were. When I got the data logger monitored it and there was no issues then ended up damaging the wire to sensor. Never bothered to fix it as it was not an issue. New car I am thinking I will do the Derale fluid control valve inline before cooler to help build heat in the transmission. Banjo used one and I think it is a good idea. Also may use a good cooler with fan and a thermostat. When temperature reaches 180* in LINE the control valve opens to the cooler. (pan will be cooler than line temp) Then put a thermostat in the pan and set it when temp reaches certain temp the fan comes on to help even more. Put the thermostat on the ignition switch so it will only run with ignition on and when hot enough. Goal is to have the transmission be able to stay with in a good range with out having to worry about it or do a bunch of junk like remote cooler etc. Just trying to build a system that is simple and maintains the temps I want. I will use the Allison Transynd fluid as it does appear to be best from some of the guys that are hard on the transmission. I do not have any problems with my old car and transmission temperatures but do want to design my new car to work as good as possible and eliminate any potential issues. Asking about the temperatures to get an idea what sensors to get for fan control. Thanks in advance. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | ||
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| DRR Elite |
of course you will, you first read about it from me right here years ago. You're welcome. | |||
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| DRR S/Pro |
Curly, on the GTO we monitor line pressures and pan temp. No cooler 5- 6 rounds never gets over 150. Using ATI 20 wt Super F. Pretty happy with their fluids. We do blow cool air on the converter and chill the motor between rounds. I do realize we probably have more time between rounds than y’all do? But we have hot lapped it and still no heat issues. All Hughes big glide and converter. Yes we tow back too. I don’t know how hot you run your combo so that comes into play. Raceless in California! | |||
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DRR S/Pro |
Yea you did and I wish I would of tried it years ago, it would of saved me a whole lot of burnt fluid. I just took my trans apart that I ran most of all last season and it looked brand new inside. I will never run any other fluid | |||
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| DRR Elite |
Glad I help you Steve along with the few others here that won't admit it and won't admit they read everyone of my posts. | |||
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| DRR Sportsman |
I am using the transynd based on the recommendations from yourself and others. Thank you. It's a community when it is at it's best. I should say switching to. I was using Lucas and then ATI Super F. Going to go with the transynd. BG | |||
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DRR Sportsman |
Fluid came out in 1998. Engineer was Tom Johnson AKA Mr Transynd. Was a Fluids Engineer for Allison.. When it came out i switched to it Put it in the 89 F350 E4OD/4R100. Tom Johnson Quote.. I developed TranSynd for Allison. It will take all the heat the transmission can deliver. Max converter out temperature is 330F (intermittent). Only oil analysis can tell you the true condition of your TraSynd at any given time. Test the transmission once a year. | |||
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| DRR Pro |
I admit I try to read everyone's posts on DRR; good, bad or anything else. I'm sure I miss some, including some of the famous forum posts of ED. I use some, little or none of the information provided. A good many reads/posts are used for cheap entertainment, plain & simple!  I consider myself more of a lurker than a poster with less than 600 posts in 14 years on DRR & a lot less on a few other forums. As for transynd, I haven't felt the need to try it, but I keep my options open. I use ATI Super F & see no reason to switch. I race in high heat conditions (Vegas), double enter & see the short turn times pretty often in the late rounds. I have no heat issues & have no reason to change at this time. 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3000 lbs. Pump Gas 436 | |||
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| DRR Sportsman |
Good background information. I think the post that swung me was one of the fast dragster guys that said he burned up everything but Transynd. If it will live in that it will live in my slow door car. Looking forward to giving it a whirl. B King - I was VERY happy with Super F. Going to try thr Transynd and compare. BG | |||
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DRR Pro |
I understand why BigSteve would need so much protection but I am always curious on why most bracket cars need Transend. I have abused my trans running high gear only during our double races in the dead middle of summer making both finals multiple times using Redline lightweight synthetic. Zero problems. I'm not trying to bash anyone or anything I just just wonder why is all. ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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| DRR Elite |
I first spoke to Tom Johnson in 2003 and have been using Transynd ever since. Still have his cell # and the original specification and test data submitted by Tom and J.F. Hartz, dated 4/27/99 | |||
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| DRR S/Pro |
Severe? That place is a blast furnace! Great place to test the best! Raceless in California! | |||
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| DRR Sportsman |
I understand exactly what you mean. I guess I am hoping it will run even cooler than the ATI. I agree with you it is probably OVERKILL but I'm going to see. BG | |||
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| DRR Elite |
it does | |||
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DRR S/Pro |
We told you about HYDO about 9 years ago Big Steve, LOL. Keeping the Socialists and NEO-LIBERALS at bay with FACTS one post at a time !!! Freedom isn't free !!! Thank a veteran, they will actually appreciate it. | |||
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| DRR Pro |
What's the ideal temp range for trans fluid? I don't data log or even have trans temp gauge. I start shooting the pan with a temp gun when getting hot lapped. I think the highest I've ever seen was 160*. I see no reason to lower it anymore & prefer a certain amount of heat to be retained in trans & engine. My system works for me & I guess that's all that matters. I'm not burning up parts/fluid or breaking stuff. 1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3000 lbs. Pump Gas 436 | |||
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| DRR Sportsman |
Here is a case in point from years past. On the ford service trucks i had 13K to 16.5k using the recommend fluid (Diesel units) for the trans. We would have to from time to time, have to replace the front pump seals. . Big *** transmissions. Due to a from pump seal leaking and or dripping at times. Nothing wrong with hard parts. Did not matter who's seal was installed. OE or After. Switched to the 295. Mind you same coolers. the leakage stopped totally. We never ran trans temp gauges. The guys we had discussed this with on the seals. It is not a seal issue. It is a heat issue. Made sense. Seals getting too soft with the heat. and drip, drip.On average the temps decreased from about 205 to 190 under load with a temp gun at the pan. If the fluid can support 80K Lbs going down the road. EX 4000 series Allison, it will work fine in my beater rack. | |||
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| DRR S/Pro |
So when I look at the Allison site they list a ton of different fluid approved for the Allison transmission. What is the difference in the Transynd fluid? I see they are all TES295, and some are TES468 approved. I presume this is like the difference between anyone's 20W50 motor oil and VR1 (IE I know the VR has additional Zinc), just wondering where the difference is that everyone is seeing. We have run Cat HYDO for a long time for the same reasons mentioned here but it does tighten the converter up about 250RPM. This sounds interesting and would like some more information. Also, where is the best place to purchase Transynd? Keeping the Socialists and NEO-LIBERALS at bay with FACTS one post at a time !!! Freedom isn't free !!! Thank a veteran, they will actually appreciate it. | |||
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| DRR Elite |
$44 is currently the cheapest online. https://dmaxstore.com/products...=12_31&product_id=41 I buy it by the case and cheaper from my local GM Truck Center. TES-295 is the spec. Since Transynd first hit the market, Mobil 1 Delvac trans fluid has been tested to TES-295 and approved for Allison by Tom. There may be others now. I'll stick with the original and what I have used for 17 years. Note Amsoil has never been tested and therefore their claims of meeting the spec are baseless. | |||
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| DRR S/Pro |
Steve, this is where I am getting it. https://dmaxstore.com/products...12_149&product_id=41 If you buy a case of 6 gallons the price drops to $40 a gal https://dmaxstore.com/products...2_149&product_id=233This message has been edited. Last edited by: Big Steve, | |||
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