LSx and thirdgen evap/charcoal canister question
Thread Starter
Joined: Nov 2000
Posts: 1,022
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From: Newington, CT
Car: 88 IROC
Engine: 5.7 RamJet
Transmission: T56
Axle/Gears: Dana44 4.10
LSx and thirdgen evap/charcoal canister question
Ok I did a search and saw that a few had said it's possible to use the stock thirdgen style purge canister, but not exactly how.
My question isn't technically for an LSx swap but I am using the same style throttle body. So I am wondering if it is possible, where does the vacuum line connect to? Obviously there's no place on the TB itself, so if anyone has done this how did you go about it?
My question isn't technically for an LSx swap but I am using the same style throttle body. So I am wondering if it is possible, where does the vacuum line connect to? Obviously there's no place on the TB itself, so if anyone has done this how did you go about it?
Joined: May 2006
Posts: 580
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From: Elk City OK
Car: 92 25th anv z28
Engine: 346 TC78 Turbo
Transmission: 4L80E
Axle/Gears: 3.25 9"Nodular, Strange axles
Re: LSx and thirdgen evap/charcoal canister question
You may have to "T" off the vacuum line for the power booster or drill and tap the plenum for a new fitting. Drilled and tapped mine for a boostline in front of the driver side runner. Pretty easy.
Thread Starter
Joined: Nov 2000
Posts: 1,022
Likes: 0
From: Newington, CT
Car: 88 IROC
Engine: 5.7 RamJet
Transmission: T56
Axle/Gears: Dana44 4.10
Re: LSx and thirdgen evap/charcoal canister question
Ok adding a fitting to the plenum is no problem as I already need to do that for my HVAC.
I just wasn't sure which type of vacuum source was needed.
I just wasn't sure which type of vacuum source was needed.
Joined: May 2006
Posts: 580
Likes: 0
From: Elk City OK
Car: 92 25th anv z28
Engine: 346 TC78 Turbo
Transmission: 4L80E
Axle/Gears: 3.25 9"Nodular, Strange axles
Re: LSx and thirdgen evap/charcoal canister question
Doesn't have to be a ported vacuum or anything. Constant is fine. Its regulated by the purge valve
Thread Starter
Joined: Nov 2000
Posts: 1,022
Likes: 0
From: Newington, CT
Car: 88 IROC
Engine: 5.7 RamJet
Transmission: T56
Axle/Gears: Dana44 4.10
Re: LSx and thirdgen evap/charcoal canister question
Yeah that makes sense. Didn't really think of that.
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