Re: fuel octane/additives
Seafoam does make more smoke because of the crud it cleans out. I had a jeep cherokee with a lot of miles that ran rough when I purchased it. I dumped some in the tank and sprayed the aerosol down the throat and it looked like it was on fire. I've used it on all my vehicles now.
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1972 K10 4wd Swb 350, 4 speed, 205 t-case Sold
1971 Cheyenne 2wd Lwb 350 4 speed Sold
1972 K5 blazer 4WD auto A/C
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