Conversions & Swaps LSX Engines in Non-LSX Vehicles
Sponsored by:
Sponsored by:

Evap delete

Thread Tools
 
Search this Thread
 
Old Jun 11, 2014 | 09:37 PM
  #1  
1929chev's Avatar
Thread Starter
Teching In
 
Joined: Nov 2013
Posts: 30
Likes: 0
From: southestern wisconsin
Default Evap delete

Hey! Little help here please.
I am doing an LS1 swap into 1968 ElCamino.
We sent the ECM out to have the VATS, Evap and cats turned off.

What is the best way to clean up the engine bay? Trying to get rid of all the vacuum hoses from the evap system. Just block them off???

What about the vents in the valve covers??? plugged them? put filters on?
The driver side valve cover has the 1.5" hole in the back for evap venting. plug it?

Thanks
Reply
Old Jun 11, 2014 | 10:29 PM
  #2  
ryanleiker's Avatar
TECH Resident
iTrader: (2)
 
Joined: Jun 2013
Posts: 755
Likes: 0
From: Wichita, KS
Default

What year is your motor?
I don't think that valve cover port is EVAP, I believe it's PCV, which some use and some don't... It evacuates crankcase pressure gases back into the intake of the motor... which some use a catch can or just a breather vented to atmosphere. I would not plug this hole, as it will probably just blow off.

Any more specifics which hoses and lines you're wanting to clean up? There are different strategies for each port/passage, Also depending on what your vehicle purpose will be: racing, highway cruising, show cruises? Forced induction? N/A?
Reply
Old Jun 11, 2014 | 10:58 PM
  #3  
bczee's Avatar
TECH Senior Member
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (12)
 
Joined: Jan 2006
Posts: 6,670
Likes: 6
From: Concord, CA
Default

+1 as above.. you can just plug the EVAP (purge Valve) at the intake port.
As far as the PCV, for anything like a Mild build or less, I would recommend using the PCV if possible. As there are some benefits of keeping Back pressure down and keeping your Crank Seal from blowing out.
If you can, switch over to the LS6 PCV System with the Lifter Valley cover. And a Catch Can to help.

BC
Reply
Old Jun 12, 2014 | 08:15 AM
  #4  
1929chev's Avatar
Thread Starter
Teching In
 
Joined: Nov 2013
Posts: 30
Likes: 0
From: southestern wisconsin
Default

My bad.

That is the PCV at the rear of the driver side valve cover.

The only problem with trying to do something there is that the windshield wiper motor is right there. Very limited amount of room to put anything in there.

I am using a 1998 LS1 6 speed from out of a Trans Am.

Thanks I really appreciate your help breez
Reply
Old Jun 12, 2014 | 08:24 AM
  #5  
1929chev's Avatar
Thread Starter
Teching In
 
Joined: Nov 2013
Posts: 30
Likes: 0
From: southestern wisconsin
Default

Ryan
Thanks for the tip. using a 1998 LS1 from a Trans am. We are just trying to eliminate a lot of the junk under the hood.

Sure like your build. Great job.
Reply




All times are GMT -5. The time now is 05:13 AM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE