wire loom & vacuum lines
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Joined: Jan 2004
Posts: 328
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From: LONG ISLAND , NY
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
wire loom & vacuum lines
Hey guys, I finally dropped my motor in my 86 T/A today 
. Its finally starting to come together after almost 2yrs. I just need to ask what size vacuum lines and how long are the sections or lengths of lines that i will need. Im converting from carb to TPI and i have the new painless wiring harness installed and i need to know what sizes of wire loom to get to cover the wiring harness. I have been told i can get all this at pep boys, but i just need to know the sizes from all u guys whove done this before. Thanks,
. Its finally starting to come together after almost 2yrs. I just need to ask what size vacuum lines and how long are the sections or lengths of lines that i will need. Im converting from carb to TPI and i have the new painless wiring harness installed and i need to know what sizes of wire loom to get to cover the wiring harness. I have been told i can get all this at pep boys, but i just need to know the sizes from all u guys whove done this before. Thanks, 
Supreme Member
Joined: Jun 2000
Posts: 1,295
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
my suggestion is to estimate your lengths and get several feet of each. reason i say that is cuz you are gonna need different sizes of each and you don't want to be short. vac line is cheap. wire loom can be a little much. i'm getting ready to put my engine back in in a couple of weeks and i did a lot of rerouting, so most of my wiring can't be completed until the engine goes in. i plan on ordering several different sizes of each so i only have to do it once. you will probably have several "tee's" in your wiring, so hard to say from here.
Thread Starter
Member
Joined: Jan 2004
Posts: 328
Likes: 0
From: LONG ISLAND , NY
Car: 86 T/A
Engine: 2000 TPI 5.7L vortec L31
Transmission: 700R4
Originally posted by thunderstick
my suggestion is to estimate your lengths and get several feet of each. reason i say that is cuz you are gonna need different sizes of each and you don't want to be short. vac line is cheap. wire loom can be a little much. i'm getting ready to put my engine back in in a couple of weeks and i did a lot of rerouting, so most of my wiring can't be completed until the engine goes in. i plan on ordering several different sizes of each so i only have to do it once. you will probably have several "tee's" in your wiring, so hard to say from here.
my suggestion is to estimate your lengths and get several feet of each. reason i say that is cuz you are gonna need different sizes of each and you don't want to be short. vac line is cheap. wire loom can be a little much. i'm getting ready to put my engine back in in a couple of weeks and i did a lot of rerouting, so most of my wiring can't be completed until the engine goes in. i plan on ordering several different sizes of each so i only have to do it once. you will probably have several "tee's" in your wiring, so hard to say from here.
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