Hi, newbie to the forum here. I am a recent owner of a beautiful 66 mustang in great shape. No major issues. My thing is - I would like to do my best to maintain it. I had a friend suggest using RESTORE oil additive to keep the engine running well. He also suggested some type of RESTORE product for the transmission. Would like to know from yall if this is a good idea. Thanks in advance!
opoblete
Your friend is misguided.
NEVER use additives in your oil or fuel.
If there is something your oil lacks, then buy a different oil with the proper additive package already built in. Invariably, changing the additive package in what you put in the crankcase will increase wear and sludge formation - not decrease it. This also applies to transmissions. These products are best described as "snake oil" and mostly serve to separate money from your wallet into theirs.
And welcome to VMF!
NEVER use additives in your oil or fuel.
If there is something your oil lacks, then buy a different oil with the proper additive package already built in. Invariably, changing the additive package in what you put in the crankcase will increase wear and sludge formation - not decrease it. This also applies to transmissions. These products are best described as "snake oil" and mostly serve to separate money from your wallet into theirs.
And welcome to VMF!
There are only two additives I would EVER use and then only for specific issues.... Marvel Mystery Oil as an engine oil additive as a solvent to treat a plugged lifter and as a fuel supplement for solvent cleaning and Berryman B12 Chemtool as a fuel treatment as a solvent and also treat intake valve and combustion chamber deposits.
No.
The transmission additives often have chemicals that soften or swell seals and gaskets. They may help for a short time but often cause more damage than good in the long run.
The transmission additives often have chemicals that soften or swell seals and gaskets. They may help for a short time but often cause more damage than good in the long run.
I am very much against such additives, with just a couple of exceptions. Years ago Consumer Reports (I believe) did some testing and found Restore engine additive had some very small effect at restoring some lost compression and oil pressure to an old and ailing engine. So as sort of last ditch effort to get a few more miles out of a dying engine it might have some value. A long time back but I seem to recall their testing procedures I find fairly convincing.
All that said, if your engine isn't dying or very sick.....no.
There are two, and only two, transmission additives I would use. One is Lubegard platinum. You would use it if in a professional's opinion your transmission has "sticking" valves. I have had this stuff actually work and free up some valves.
The second is some stuff called "Shudder Fix" which basically a dose of friction additives for vehicles with lock up torque converter and basically does NOT apply to our old cars unless they've had something like a 1994 or newer transmission swapped in.
Neither additive should cause any long term issues. UNLIKE about every other one. Like Hemikiller says, they might have a short term effect but are poison in the long run. They swell the seals up so bad the transmission rebuilder will curse you and your additive.
OK, and every once in a while a manufacturer will requite some special snake oil they've come up with to add to the fluid of very specific transmissions in very specific circumstances (some Ford remans for example) but those absolutely do not apply here.
I don't call it additive but I've been known to add a quart of cheap transmission fluid to and engine that is very "dirty" and/or gummy inside. As sort of an engine flush and it has to be pretty nasty before I resort to it. Shortly before the vehicles gets an oil change is when I use it. The reason is that transmission fluid is loaded with detergents and is fairly close to 10W oil. Like adding a soap that makes nice with engine oil.
Works well on lacquered and sticky lifters too. Some folks prefer to use Marvel Mystery Oil for that but I've yet to need to try it so I have no personal experience with it.
Basically if your car doesn't have any of those specific problems. Just keep your oil and fluid changed regularly and skip all that other stuff.
All that said, if your engine isn't dying or very sick.....no.
There are two, and only two, transmission additives I would use. One is Lubegard platinum. You would use it if in a professional's opinion your transmission has "sticking" valves. I have had this stuff actually work and free up some valves.
The second is some stuff called "Shudder Fix" which basically a dose of friction additives for vehicles with lock up torque converter and basically does NOT apply to our old cars unless they've had something like a 1994 or newer transmission swapped in.
Neither additive should cause any long term issues. UNLIKE about every other one. Like Hemikiller says, they might have a short term effect but are poison in the long run. They swell the seals up so bad the transmission rebuilder will curse you and your additive.
OK, and every once in a while a manufacturer will requite some special snake oil they've come up with to add to the fluid of very specific transmissions in very specific circumstances (some Ford remans for example) but those absolutely do not apply here.
I don't call it additive but I've been known to add a quart of cheap transmission fluid to and engine that is very "dirty" and/or gummy inside. As sort of an engine flush and it has to be pretty nasty before I resort to it. Shortly before the vehicles gets an oil change is when I use it. The reason is that transmission fluid is loaded with detergents and is fairly close to 10W oil. Like adding a soap that makes nice with engine oil.
Works well on lacquered and sticky lifters too. Some folks prefer to use Marvel Mystery Oil for that but I've yet to need to try it so I have no personal experience with it.
Basically if your car doesn't have any of those specific problems. Just keep your oil and fluid changed regularly and skip all that other stuff.
Welcome to an informative classic Mustang forum, where experience a good advice abounds. NO ADDITIVES!, the exception mentioned by Bart.
Additives usually cause more problems than they solve. A buddy added some sort of engine-renew mirical juice to his Toyota pickup just because it had high miles, no other problems. His engine locked up. Despite the advertised warranty on the bottle, they paid zero dollars for his engine replacement.
On the other hand, I have a Chevy Avalanche with +200K miles that devloped a massive oil leak at the rear main seal. I added AT-205 after seeing it tested on Project Farm (YouTube). After almost a year and 20K miles, it's still doing great. Sometimes you get lucky.
On the other hand, I have a Chevy Avalanche with +200K miles that devloped a massive oil leak at the rear main seal. I added AT-205 after seeing it tested on Project Farm (YouTube). After almost a year and 20K miles, it's still doing great. Sometimes you get lucky.
No chance this is some kind of paid research for the RESTORE company? Hmmmmmmmmmm, come on guys, I call BS
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