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Homebrew Seafoam

This topic is in the MVS Volvo Repair Database » DIY Homebrew Seafoam
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mecheng
Posts: 1271
Joined: 27 Mar 2014, 19:49
Year and Model: 1998 Volvo S70 T5
Location: Ontario, Canada
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Post by mecheng »

You can make Seafoam treatment much cheaper than buying it.
This is the reference I used but to simplfy it and give you more info:

Typical Seafoam application is 473mL

Therefore for a 4:2:1 ratio

270 ml Diesel
135 ml Coleman Camping Fuel
68 ml 99% Rubbing alcohol

The Diesel lubricates the fuel pump and valves. The Naphtha (Coleman camping fuel / aka White Gas) is the detergent. The rubbing alcohol removes water in the system (not sure this is vital in all cases).

The idle in my car is very smooth now and it seems a bit more peppy. Make sure you add it to a full tank of gas.

http://hildstrom.com/projects/seafoam/
1998 Volvo S70 T5 - SE - 240km - Sold July 2018
1997 Volvo 850 GLT - 190km
Boost is my drug of choice

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