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Flame trap 94 850 NA Topic is solved

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Flame trap 94 850 NA  Topic is solved

Post by GlennG2759 » Sun Mar 31, 2019 8:11 pm

8 mos. ago. before knowing about MVS I replaced my PCV system on my 94 850 NA so I didn't do the 5/8 hose mod.
The glove test was quite improved, but it still inflates but doesn't stand up and give me the high five like it did. I do have minimal smoke out the dipstick and noticed some oil under the spark plug cover, oil filler cap gasket replaced with pcv job. I threw my flame trap away. I've looked all over the site to get opinions on enlarging the flame trap housing hole from the stock 1/4 to as large as I could go, couldn't find anything definitive. Would this increase vacuum. Flame trap housing does not have the vacuum line from pass. side of IM, just line from separator box. Just looking to minimize pressure for a couple of mos. until I get to it. Thanks in advance

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