tractor pole Posted May 23, 2011 Share Posted May 23, 2011 I have a 91 Loyale wanted to run some seafoam through the vacuum line, according to their website it states that special precautions must be taken when adding seafoam through a vacuum line on subaru opposed engines. will it be as effective if I feed through the vacuum line that goes from the PCV valve to the brake booster? any thoughts? Ben Link to comment Share on other sites More sharing options...
NoahDL88 Posted May 23, 2011 Share Posted May 23, 2011 You'll want to use the smallest vacuum line you can to limit flow, if it flows too much you run the risk of hydrolocking the engine. Just make sure the engine is good and warm before you get started and let it sit for 20 minutes after the bottle is empty. Don't be afraid of all the smoke, that is normal. Link to comment Share on other sites More sharing options...
Ricearu Posted May 23, 2011 Share Posted May 23, 2011 make sure its a vacuum line at the throttle body, otherwise you will only seafoam 2 cylinders Link to comment Share on other sites More sharing options...
monstaru Posted May 24, 2011 Share Posted May 24, 2011 DOO EEEETTT!....and yeah, go for a drive if you can, it can get cloudy in a heartbeat..:grin:cheers, b Link to comment Share on other sites More sharing options...
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