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#4693136 - 03/13/18 06:40 AM Does anybody remember Free Valve?
poikaa Offline

Registered: 02/21/14
Posts: 16
Loc: Ishpeming, Michigan
I had used this product for the first time in the late 1960s. As an oil additive it would quiet noisy lifters almost straight away! Adding it to your oil would keep the oil from gunking up. It could be added to the fuel. Had this weird smell like going bad fish!
I have not seen it in years but I do have a bottle left over from the late 1970s.... Made by Allied Precision Products out of Florida.... so old it does not have a UPC label on it!

Seems that Sea Foam may be the same type of product.


#4693150 - 03/13/18 07:15 AM Re: Does anybody remember Free Valve? [Re: poikaa]
Trav Offline

Registered: 11/20/06
Posts: 19294
Loc: MA,
I don't remember that one but this was common back then also. It did work.

ASE L1, Master. Deutsch Meisterbrief.

#4693159 - 03/13/18 07:44 AM Re: Does anybody remember Free Valve? [Re: poikaa]
Eddie Offline

Registered: 12/07/03
Posts: 9649
Loc: Florida, Cape Coral
My father used RESLONE to achieve lifter sticking.
CX5 Touring 2.5L :-)

#4693369 - 03/13/18 11:55 AM Re: Does anybody remember Free Valve? [Re: poikaa]
The_Nuke Offline

Registered: 07/21/13
Posts: 313
Loc: D/FW Metroplex
I've never used FreeValve, but I have used SeaFoam before, and as far as it goes:

Edited by The_Nuke (03/13/18 11:57 AM)
2012 Dodge Charger
- R/T with pursuit pkg.
- 5.7L + A5 + 2.65
"'s got cop tires, cop shocks, cop suspension..."

#4699783 - 03/19/18 02:29 PM Re: Does anybody remember Free Valve? [Re: poikaa]
urrlord Offline

Registered: 09/25/08
Posts: 662
Loc: central ga
Isn't a fishy odor indicative of a PEA ingredient?So maybe it was a very strong cleaner.

#4744342 - 05/01/18 10:33 AM Re: Does anybody remember Free Valve? [Re: poikaa]
purelux Offline

Registered: 09/27/05
Posts: 104
Loc: pennsylvania
Remember laws were allowed even more then vs now to be claimed and cryptically worded to be confusing. My neighbor told me a story of lifetime plugs he bought in the mid 60's. They lasted I think 6 months, he contacted them for a replacement. Response was simple and concise "well that was the lifetime of the plugs thank you for your purchase".

#4744431 - 05/01/18 12:13 PM Re: Does anybody remember Free Valve? [Re: poikaa]
dave1251 Offline

Registered: 07/15/05
Posts: 8698
Loc: Maricopa, AZ
Fishy? It could be bioester based thus a good solvent.
make the inside of your engine oil cap white.
don't use.