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Baffled Grommets

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Old Apr 6, 2025 | 02:54 PM
  #1  
ZZ42Fast's Avatar
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From: Rugby, England
Car: 1988 IROC Vert
Engine: 355 ZZ4
Transmission: T5 Manual
Baffled Grommets

hey all, I'm trying to sort out PCV sucking up a load of oil. I want to try baffled grommets but it's tricky to know what to get? I need one for PCV and the other for the passenger side elbow. Does anyone know exactly what to go for?


https://www.summitracing.com/parts/mor-68772
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Old Apr 6, 2025 | 03:17 PM
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From: Fl
Car: 5.3L turbo 2800lbs RWD
Engine: Prefer 3L Iron & 5.3L Aluminum
Transmission: 4l80e
Axle/Gears: 3.512
Re: Baffled Grommets

How about, measure the crankcase pressure first to see whether its blowing oil out or not
Set the crankcase pressure negative at wot/cruise/idle, like an OEM engine

then it will suck oil in, instead of blow it out
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Old Apr 6, 2025 | 04:36 PM
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From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Baffled Grommets

Competition Products
type valve cover grommet in the search box

Power Products, Valve Cover Grommet, 3/4" ID, w/Baffle, PCV, Each - Competition Products
Power Products, Valve Cover Grommet, 1" ID, w/Baffle, Breather, Each - Competition Products
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Old Apr 7, 2025 | 02:51 AM
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From: Rugby, England
Car: 1988 IROC Vert
Engine: 355 ZZ4
Transmission: T5 Manual
Re: Baffled Grommets

Thanks, this is perfect
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