School me on converters please.
School me on converters please. Ok, so how much has converter technology changed. I have an LS swamped C4 with a 4L60E and a 3500 converter.
I was reluctant to go with a stall that high because I had a 3000 stall in my 81 PU with a TH350 and it was almost unbearable to drive at low speeds/RPMs.
The difference is amazing the only time I notice the stall at all is backing up or idling though a parking lot.
What gives?
Also, I have been advised not to manually shift my 4L60 because it can cause damage but when I shift it manually the Veh has way more power and is a lot quicker.
I was reluctant to go with a stall that high because I had a 3000 stall in my 81 PU with a TH350 and it was almost unbearable to drive at low speeds/RPMs.
The difference is amazing the only time I notice the stall at all is backing up or idling though a parking lot.
What gives?
Also, I have been advised not to manually shift my 4L60 because it can cause damage but when I shift it manually the Veh has way more power and is a lot quicker.
Manually shifting isn't really harmful when upshifting to a higher gear, it is harmful when manually downshifting the car from what I've been told and have read.
I have a few threads saved at home I think that have good info and I'll try to post them when I get home.
I have a few threads saved at home I think that have good info and I'll try to post them when I get home.
I dont know the inner workings and what has changed, but I know where you are coming from. I had a few 2500-3000+ converters built locally out of old gm cores that I ran in a few sbc applications and one bbc build quite a few years a go. They all pretty much sucked in comparison to my tci 3800 in my SS. I think thats why so many people are afraid to put one in their car. The newer ones are much tighter, and hit way harder. Having lockup is huge too.
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The GM 245mm core has had a lot to do with the improvements in converters available to the average consumer. When it became popular (more than 10 yrs ago) it gave converter builders a lot more options to work with over older designs. There are quite a few different stator designs alone that come in these converters from GM, before you start modifying them. Pumps come in all different fin angles, etc. It's a nice "modular" converter that you can buy a boxload of cores, cut them all apart, and have a selection of parts to build just about any converter from ranging from a 300 HP street cruiser to a 1000+ HP strip converter.
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jake, what leaps & bounds are missing from todays converters? what should a converter do that it cant ? thx orig poster you should search for an old thread called " converter education".
My opinion on 2 of the major advancements are CNC machines and data logging. With CNCs we are capable of making converters hold 1000+ HP even with lock up. And with data gathering we have learned a lot on how the converter works going down the track and as a DD. Letting us really fine tune exactly how you want to converter to work.
Chris
Chris