Lockup Converter Vs Non Lockup

August 25, 2021 Post a Comment

Both converters drive excellent and you wouldnt know the difference till cruise speed When discussing higher end converters they are non lockup for strength. With a lock-up when you get to speed the torque converter will lock-up which creates a direct drive from engine to transmission.

What Is Lock Up Curt Explains How Lock Up Works Youtube

The most popular version of these is a 9 converter that stalls in the 3000-3200 range.

Lockup converter vs non lockup. In hindsight it is pretty simple. With a lock up that goes out the window and the. The problem with towing in OD on a 700R4 is the computer is likely to unlock the converter causing the fluid to heat up or worse overheat.

They work very well on big camturbo combos. You trade off some heat generation from the slippage and efficiency losses for the responsiveness gained. A lock up torque converter has a feature where it will mechanically link or couple the pump and turbine inside of it typically only at highway cruising in order to improve fuel efficency by eliminating slippage.

Do yourself a favour and get a good tranny cooler. No additional heat will be added into the tranny fluid due to slippage during operation. I think you should get a non-lock up converter.

Im just trying to learn lol. 2 Jan 8 2010. If you are going to be towing you want a lock-up torque converter.

A nonlockup converter continually slips at all time. I see lockup and non-lockup options. Fwiw lock up converters give minimal gains in efficiency around 10.

This ruins the lubrication properties of the ATF. Available in various diameters. Just needed a lockup with smaller stall.

New posts New profile posts Latest activity. With a lock-up you loose that mulitplication when the converter is locked. With a lock-up when you get to speed the torque converter will lock-up which creates a direct drive from engine to transmission.

A non lockup will operate around 90 efficiency in the coupling phase so take that fwiw when deciding. -----81 with a 79 z28 front Pic. To run a non-lockup converter you will need to do some special mods to the transmisson or it will burn up when you are in overdrive.

Mark youll definately want a lockup converter. Jun 20 2004 3. Most of your new cars 1985 will have a lock up transmission in it.

Lockup torque converters became popular in the 1980s to meet federal fuel economy standards but they are also beneficial in performance applications. So basically it will give you better gas mileage than a non-lock up model. A non lockup achieves similar coupling through the fluid but there is a loss from heat.

One bad part of the clutch is that everytime it engages a little bit of material is sent into the tranny. When a torque converter clutch. Our web site.

Bigdav160 Nov 4 2011. New posts Search forums. The non-lock up converter doesnt have this clutch in it.

Even driving around town Im into 4th gear at. My question is what. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isnt as much of a concern becuase of the short time youre actually running it.

Lock up converter vs. Im not sure what the mod is or how simple it is to do but A lock up coverter is a good thing so I would stick with it. Edge makes an awesome converter that will really wake up your car.

A non-lockup converter is like keeping your foot partially on the clutch. The two piece input shafts. A converter is a fluid coupling device meaning there is no shaft or anything that connects the engine to the transmission fluid drives the transmission.

Menu Log in Register. Also when a converter is slipping its providing a some torque multiplication. Non-lockup with a good converter is way less hassle less expensive and works well.

No lock Howdy Im having an issue just now I was sent a non-lockup torque converter for my 700R4 and it slips unless Im on the throttle hard. It is continuously slipping. What are the differences and identifying features of a lock up torque converter and a non lock up.

Oh yeah the 74 is from behind a 360 the 78 is a 318. You need to. A non-lock-up torque converter will add more heat.

I am not sure if the either is a lockup or not. Current visitors New profile posts Search profile posts. Because theres no cooling during lockup.

You can manually lockup a converter through a switch when racing but it will put a lot of added stress to the clutch s inside of the converter making them wear and also it can cause damage to your transmission. Towing will add heat to the transmission. There is no lockup clutch so at cruise there is some slippage 200-300 rpm usually.

Thats the reason you cant run a non-lockup converter on a lockup trans. I have to check my hydraulic diagrams at work but I thought the cooler circuit was cut off in lockup with the 700R4. My understanding is that a lockup converter is intended for fuel economy so would a non-lockup be better for performance.

Why even use the non-lockup. With a lock-up its like you took your foot off the clutch. Lol a lock up converter has a clutch in it that when the clutch is applied the converter becomes locked to the engine so there is no slippage.

A lockup has to have a mech or electronic way of coupling the Input and output shafts. This will help extend the life of the transmission. Search Advanced search New posts.

Both are 727s the 74 from a short tailshaft the 78 is the normal 18 12 I think. But even for a performance transmission you wont spend much time under load out of 4th gear. Apr 6 2001 Location.

I only need to run the 78. I becomes a direct connection between the converter and trans. I have a 78 D100 need to replace the TC and hoping the one from my 74 will work.

There is not enough room to have the lockup clutch with a. It took no less than four calls to Summits tech line before I was able to fugue out the right questions to ask to rectify the issue. The lock-up has advantages especially if the car is highway driven fuel economy is better and the converter creates no heat in lock-up allowing the longevity of a 200-4R.

A non-lock-up torque converter will add more heat.

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