C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

PCV valve question

Thread Tools
 
Search this Thread
 
Old May 14, 2003 | 03:37 PM
  #1  
kromberg's Avatar
kromberg
Thread Starter
Le Mans Master
25 Year Member
Conversation Starter
All Eyes On Me
Photogenic
 
Joined: Jan 2001
Posts: 5,786
Likes: 6
From: Lafayette Colorado
Default PCV valve question

What is it exactly and what would happen if it where to be removed?

Keith

Reply
Old May 15, 2003 | 09:40 AM
  #2  
kromberg's Avatar
kromberg
Thread Starter
Le Mans Master
25 Year Member
Conversation Starter
All Eyes On Me
Photogenic
 
Joined: Jan 2001
Posts: 5,786
Likes: 6
From: Lafayette Colorado
Default Re: PCV valve question (kromberg)

Anyone....

Reply
Old May 16, 2003 | 08:53 PM
  #3  
brrymnvette's Avatar
brrymnvette
Drifting
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2003
Posts: 1,809
Likes: 10
From: ST LOUIS MO
Default Re: PCV valve question (kromberg)

I know this is dumb to post with out an answer but I'll have one for you when my brain fart goes away. I just went totally blank. :withstupid: :_dupe: :confused:
Reply
Old May 16, 2003 | 08:55 PM
  #4  
runamuk's Avatar
runamuk
Le Mans Master
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Jul 2002
Posts: 7,370
Likes: 8
From: Slave to the evil empire
Cruise-In V Veteran
St. Jude Donor '04
Default Re: PCV valve question (kromberg)

The PCV valve relieves crank case pressure and is basically a check valve that allows the pressure from the crank case to vent to the intake manifold and not the other way :cheers:
Reply
Old May 17, 2003 | 01:25 AM
  #5  
QuickSilver2002's Avatar
QuickSilver2002
Melting Slicks
 
Joined: Mar 2002
Posts: 2,931
Likes: 2
From: Tx
Default Re: PCV valve question (runamuk)

Almost all motors have some blowby. This is basically gasses(along with other stuff) that gets past the rings and into the crankcase during the combustion process. This creates positive pressure and harmful gasses in crankcase, so it needs to be vented out. Instead of just venting this really bad fuel like stuff into the atmosphere, the PCV system is used to vent it back into the intake so it can be more efficiently consumed in the next combustion process. The PCV system is also suppose to create a vacuum in the crankcase that helps the rings seal (reducing blowby).

The valve itself is there to only allow gasses in and not out (a one way check valve). You could remove it, but you would need to cap the nub on the intake. You would also end up with a nasty smell in the engine bay, more pollution in the air we breathe, and possibly more blowby in your motor.

I would keep it hooked up.



[Modified by QuickSilver2002, 6:26 AM 5/17/2003]
Reply

Get notified of new replies

To PCV valve question





All times are GMT -4. The time now is 06:52 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE