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How to wire and running hose for a TPI?

Old May 30, 2010 | 02:02 PM
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How to wire and running hose for a TPI?

Hey all!

New to the forum.

Basically. Did a V8 swap 350 Motor with a tuned port injection into an S10.

Now im stuck trying to wire and run hoses for a rogue system I know little about.

Can any1 help me out? whether they have a tutorial or a website that will tell me?

THANKS!
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Old May 30, 2010 | 05:57 PM
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: How to wire and running hose for a TPI?

Originally Posted by ScaredBuilder
Now im stuck trying to wire and run hoses for a rogue system I know little about.
More info needed .
What computer and engine harness are you using?
What year TPI? .There are differences in operation

If you are not running EGR then this is the basic vac hook up


Last edited by vetteoz; May 30, 2010 at 07:33 PM.
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Old May 30, 2010 | 06:44 PM
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Re: How to wire and running hose for a TPI?

Im using a custom computer from Street and Performance that has to plug into my s10's computer so they will co-operate and gauges work.

the year TPI im unsure.
Maybe a pic of it will help!


Ill get a pic of the wiring harness from street and performance ASAP (they custom tailored it for a Chevy S10)

As for EGR i need it to pass emissions so...Im un-sure of whether i need to run it at the moment.
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Old May 30, 2010 | 06:55 PM
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Re: How to wire and running hose for a TPI?

I doubt this will help much. Anyways I am running the EGR one of the fuse boxes is labeled EGR.

More info on this. This is my Dad's and I project and he has all this stuff figured out but I wanna learn my truck too!
Attached Thumbnails How to wire and running hose for a TPI?-0530001850.jpg  
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Old May 30, 2010 | 07:33 PM
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: How to wire and running hose for a TPI?

Originally Posted by ScaredBuilder
Im using a custom computer from Street and Performance that has to plug into my s10's computer
If you have custom harness it should all be plug and play.The harness should be laid out so the connectors line up with the right sender or injector
Changed dia above to show typical EGR hook up .EGR solenoid can be positioned anywhere on the vac line to EGR valve
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Old May 30, 2010 | 07:41 PM
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: How to wire and running hose for a TPI?

Some back ground reading on TPI swaps
http://chevythunder.com/chevythunder%20introduction.htm

Good details of TPI system operations
http://www.hotrodhandbooks.com.au/eBooks/TPI/IX.html
Refers to stock wiring harness but functions are the same on yours and most custom harness use factory colors for ease of hookup
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Old May 31, 2010 | 10:16 AM
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Re: How to wire and running hose for a TPI?

how would i find out what the wires are for the s10. I forgot to label as i removed.
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