i would give jag performance a call. they are in san antonio. dont go to century. yes it is much easier than to a 80e. hell if you order a tranny and need help installing it give me a call. ill help. unless you are going to take it up there. dont know of good ones around here.

 

The weakness of a stock cooler is that when the engine gets hot, so does the tranny (example hot day with A/C on in traffic) With a aux cooler you can pretty much cook engine (not that you want to) and not hurt tranny. For long tranny life you want to try to keep it below 200F with short bursts up to 220 or so not a problem. A few things happen as temps go up. The oil breaks down quicker the hotter it gets and the seals in tranny have their life shortened when trannies start getting up to 240 or more regulalry and clutchs fail sooner because if the oil is hot going into the clutch, it get even hotter in the pack and if hot enough it starts losing its qualities and breaking down under heat and pressure between discs.

 

I've pulled my 1957 Chevy on an open car trailer 160 miles in 90's weather and the absolute highest my trans temp got to was just a click BELOW 200, with a stock cooler. Has anyone else experienced trans temps in the 240 range as Snoman is talking about in their truck??

 

N O P E

 

Pull a real load with a high stall up a hill on a hot day with A/C on and you cannot always use locking converter becase load is heavy. You live a sheltered life. I have seen Ford power strokes with automatics overheat and blow oil backing a heavy load up a grade. None of my SUV's or truck with automatics go without a aux cooler and I have one tranny 25 years old and still going strong because of it and it has had a wicked life too. I have little doubt that the 700R4 in my burb would not have lasted 170k and 15 years and still being going strong if I had relied on its stock cooler on a dozen plus cross country trips and traviling through southwest passes heavily loaded in summer at 100 degrees plus with A/C on!!! It was out there last year and it is going back again next year too.

 

Trans problems suck. I almost in th same boat. My trans is slipping from 2-3. No idea when its gonna **** on me. Either way, when it does Im hitting up JAG for a built 65E. Which will probably be in a month. Wink, wink!!

 

Temperature did not kill your transmission. A torque converter stalling at 2600RPM is completely fine with a stock cooler.

Your tranmission failed from removal of torque management combined with a shift kit set up to shift so firm the tires chirp. No 4L60-E, not even a built one, will hold up to sharp shifting under full power.

You can monitor the trans temp with a scanner. I assure you it was fine.

 

I know a guy that works at a dealership and that is all he does,(repair transmissions, specialist). Alot of my friends have had it repaired by him and have not had any problems on stock transmissions. I dont know if he is into repairing them for racin??? The best thing is that since he works at the dealership it is for sure that all his parts are new OEM , and I believe he gives real good warranty on the job too, from what my friends say he is alot cheaper than any transmission shop. He is located about 25 miles from Houston. Let me know if interested....

 

i have a stock cooler with stall, shift kit and have no problems, i monitor my trans temps and have never gone over 190

 

Thats what I was saying. But according to SNOMAN, I've lived a sheltered life because I haven't had my trans temps in the 240 range!


I have been a part of 2 threesomes in my younger days and really never considered the fact that my life was sheltered...until I started thinking about trans temperatures!