The harm it does is to the wallet. When you drive normally it is very
likely you will not notice any wear to the valve seats. It may help in
extreme circumstances but even then I have my doubts. The industry
earned billions from the scare they introduced when leaded petrol was
phased out. In the end it was only a handful of cars that had problems
with valve seat wear. Even lead substitute could not prevent that.
I do not think this stuff will harm the engine.
Kees Oudesluijs
Op 9-7-2019 om 23:38 schreef John O'Brien:
> Follow up - I found a phone number for Redline on the older bottle and
> called them. The guy I talked to said the new stuff is not as
> concentrated as the older formula, so you need to use more. The UPC
> code is the same, so they tried to hide the fact that they made it
> less concentrated. Kinda disappointed in that but at least I know.Â
> Just thought I'd share that in case anyone else is using it, and
> hadn't noticed the change.
>
> Kees, I use it to try to reduce valve seat wear, since my car has not
> had the valve seats changed to hardened. Some folks on this list
> recommended this product as being the best choice at the time. I'm
> just trying to make the engine and head last as long as possible with
> minimal rebuild expense. Do you think there is any harm in using it?
>
> John
>
> On 7/9/2019 2:32 PM, Kees Oudesluijs wrote:
>> That is called marketing. I very much doubt if you should use any at
>> all.
>>
>> Kees Oudesluijs
>>
>>
>>
>>
>> Op 9-7-2019 om 21:14 schreef John O'Brien:
>>> I have been using Redline Lead Substitute in my Healeys for several
>>> years, based on recommendations from this forum. I bought several
>>> bottles a few years ago, and am getting close to being out, so I
>>> ordered more. The old bottles said a 12 oz. bottle would treat 120
>>> gallons (use 1 oz. per 10 gallon)Â The new bottles say the 12 oz.
>>> bottle treats 25 gallons. Did they change the product or change the
>>> recommended usage rate on the same product? I suppose I should
>>> follow the new recommended usage rate, but it made the stuff more
>>> expensive to use. Anyone have any insight or suggestions? Or is
>>> there a new greatest and best lead substitute i should be using
>>> instead?
>>>
>>> John O'Brien
>>>
>>> '65 BJ8 (Madelyn)
>>>
>>> '61 Bugeye (Lucy)
>>>
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