Ac delco top end cleaners,differences? Pics

[ziggy]

Here's 2 Delco top end cleaners. I know the left black cap is a spray. The stuff on right,is all liquid. Do you pour it in gas tank? Slowly let you brake suck it in? Or is it meant to be a piston soak?its pricey..Amazon $42! Called local Buick dealer,they don't have oil,or gas additive..it would have to be third party ordered with boss ok.
I ordered the spray stuff.wanna try it! And the gas additive part number 88865595

 

[Astro14]

Decades ago - the liquid top end cleaner was poured slowly in the carburetor - until you got to about half the bottle, then you rapidly poured it in and let it choke the engine out.

Let sit for 15 minutes (a piston soak, I reckon) and start the engine back up.

Be prepared for a lot of smoke.

I would imagine the application hasn't changed much - the idea being to end up with some liquid on the piston tops for a bit.

 

[ziggy]

Oh! So the right image is basically a car cleaner?
I bought 2 cans of the left image.funny use INE vacuum line before oil change coming soon.normally Ive been using stp ,that $40 hand from good brake cleaner. 9 minutes empty.sit 15. Much shorter than crc intake bro cleaner,leaving it soak 2 hours. The Delco spray on left,is a15 minute sit thing.

 

[ziggy]

Oh! So the right image is basically a car cleaner?
I bought 2 cans of the left image.funny use INE vacuum line before oil change coming soon.normally Ive been using stp ,that $40 hand from good brake cleaner. 9 minutes empty.sit 15. Much shorter than crc intake bro cleaner,leaving it soak 2 hours. The Delco spray on keft,is a15 minute sit thing.

 

[ziggy]

Here's pic of ingredients. It looks like a weak cleaner.thoughts everyone!? Return it or use it?

 

[nthach]

The old GM TEC(also sold as Motorcraft Carburetor Tune-Up Cleaner, Mopar Combustion Chamber Cleaner and Valvetech Power Head Treatment) is a pretty decent carbon solvent - it was naphtha, oleic acid, ammonium hydroxide and butyl cellosolve as far as I know.

 

[ziggy]

Got it in today.heres ingredients on back.
Heavy,light,medium cleaner?
Planning on running it through vacuum line or past MAS sensor 98 LeSabre before oil change.i saved a metal hook looking attachment off a stp intake cleaner,try n wedge it between throttle n gasket n spray ac Delco stuff in.if not read top of plenum, vacuum line.

 

[DGXR]

Is your LeSabre having starting, running, or driveability issues? Or are you doing this as preventive maintenance?

 

[GMBoy]

Years back that stuff was very good but they weakened it and it's no better than other products like it.