2 tenths from just a TCC Lockup switch?

[ANDYS87]

I just read an article that said that installing a switch to lock up the TCC will lower these car's 1/4 mile time by 2 tenths. Is anyone doing this? I'd like more info. I guess Kenne Bell used to sell this switch.....but any Radio Shack switch will do. The article says to connect one end of a switch to pin F of the ALDL, and the other to ground. With this switch "on" (grounded) the torque converter will lock up in 2nd, 3rd, and 4th gears. I was wondering if the 2 tenths claim is true, if you activate the switch before launch, and is there any harm in locking up the converter this way???

 

[shanks]

I've heard that it will make the car quicker. It is vary hard on the converter imho. the lock up clutch is just like a clutch on a manual trans car but weaker, if you can lock it when the car is stationary the engine will stall. Not sure if you can get it to lock in first on a 200r4.

hth


Evan

 

[speedfreakv6]

Yes it will lock in 1st .i had one on my car just a toggle switch .but didnt pick up 2 tenth that i think is b.s .personaly do not use anymore ,not good on trans or mounts.like i said that is my personal opinion .other people might say diff.to each his own

 

[JDSfastGN]

Yes it will lock in 1st .i had one on my car just a toggle switch .but didnt pick up 2 tenth that i think is b.s .personaly do not use anymore ,not good on trans or mounts.like i said that is my personal opinion .other people might say diff.to each his own

I don't believe its possible to lock in 1st gear. When you lock it on the starting line it will not lock until the 1-2 shift. The fluid path to the converter for lockup is not open when in 1st if i remember correctly. Yes it is hard on the converter but i usually gain a couple mph and at least a tenth when i lock it.

 

[Russ Merritt]

Every car is differant. Some cars (like mine) don't like lock-up till the end of the track. Others like it right into 2nd. Def will mph better and usually will go quicker. All depends on the car.... The best of both worlds as you can race a lock-up converter either way (locked or unlocked) and enjoy the lock-up on the highway headed home.

 

[LV GN]

I just read an article that said that installing a switch to lock up the TCC will lower these car's 1/4 mile time by 2 tenths. Is anyone doing this? I'd like more info. I guess Kenne Bell used to sell this switch.....but any Radio Shack switch will do. The article says to connect one end of a switch to pin F of the ALDL, and the other to ground. With this switch "on" (grounded) the torque converter will lock up in 2nd, 3rd, and 4th gears. I was wondering if the 2 tenths claim is true, if you activate the switch before launch, and is there any harm in locking up the converter this way???

i have watched the gallina's get as much as 8tenths and 8 mph by locking the converter. i used to get 4 and 4 when i ran a lock up converter

 

[Grumpy]

hmmmm...guess I better tell my wife and daughter no to lock up the converter anymore ... only have over 100k on each car you will gain at lease .2 & 2 mph .... ummmm doesn't lock in first gear :biggrin:

 

[Blazer406]

Yes it will lock in 1st .i had one on my car just a toggle switch .but didnt pick up 2 tenth that i think is b.s .personaly do not use anymore ,not good on trans or mounts.like i said that is my personal opinion .other people might say diff.to each his own

That is not telling the whole story..... stock type converters are very weak in the lock-up clutch and might not make much of a difference on ET or MPH....especially if the lock-up clutch is already almost or completely fried......... converters like the Precision Industries Vigilante multiple-disk lock-up has a far greater chance of survival and has many more times the "clutch surface area" than the stocker.... therfore making it muuuuch harder to slip.... IMHO....

IMHO..... you want a high stall converter for that bigger turbo (like a TE45A) and want to still drive it on the highway and be able to lock-up for cruising....and still want to be able to lock-up some at the track w/o the converter frying the lock-up clutch..... you need something like the Vigilante multiple-disk...... you get the best of both worlds..... I am mainly referring to high 10 second cars and slower.... 9 second or faster cars can and probably will torch the lock-up clutch more frequently.....

Just my $0.02

 

[LV GN]

That is not telling the whole story..... stock type converters are very weak in the lock-up clutch and might not make much of a difference on ET or MPH....especially if the lock-up clutch is already almost or completely fried......... converters like the Precision Industries Vigilante multiple-disk lock-up has a far greater chance of survival and has many more times the "clutch surface area" than the stocker.... therfore making it muuuuch harder to slip.... IMHO....

IMHO..... you want a high stall converter for that bigger turbo (like a TE45A) and want to still drive it on the highway and be able to lock-up for cruising....and still want to be able to lock-up some at the track w/o the converter frying the lock-up clutch..... you need something like the Vigilante multiple-disk...... you get the best of both worlds..... I am mainly referring to high 10 second cars and slower.... 9 second or faster cars can and probably will torch the lock-up clutch more frequently.....

Just my $0.02

you are right on the money and well said. a mid 10 sec and faster car will find more effiency and reliability with a non lock up converter.