Slip and slide transmission
Sorry to say that even one drive with screwed up throttle pressure linkage, the damage is done. You can correct the linkage and get some life out of it, buy depending on how much you drive it will probably die within 6 months to year. Ask how I know.... Just make sure at full throttle it's all the way back and tight. With the lokar cable you need to make sure it starts moving instantly as soon as you touch the throttle. Also the cable will stretch so account for that and keep an eye on it. You may need to change to a different ratio lever on the trans or at least drill holes to get the pull right, it's all about geometry. Please don't listen to people who adjust it to move there **** points around, this can do more harm then good.
Also it depends on the horse power of your engine. The more power you put to it, the more pressure your trans will need. So yours may not be happy with the slack... The slack can be ok, depending on application, as long as it pulls the trans lever as far back as it will go at full throttle or close to it.