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10-09-2011, 12:02 AM | #1 |
Registered User
Join Date: Jan 2010
Location: Fishersville, VA
Posts: 39
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Wiring harness questions
I have an 8.1L 4l80e in my 76. I just got my wiring harness and computer from Howell Engineering... what is everyone using as a grommet thru the firewall for the wiring harness? Where are you taking it thru the firewall? Also what are you using for mass air flow (stock sensor or one from a company like JET)? Any help with any of this would be great. Also did anyone have any issues with the harness being tight or just a little short in a few areas? Thanks!
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8.1l 496 4l80e |
10-09-2011, 10:28 AM | #2 |
Registered User
Join Date: Aug 2010
Location: Alta Loma, CA
Posts: 610
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Re: Wiring harness questions
I wrapped my harness with convoluted tubing and passed it through the firewall using a PCV/breather grommet with the same ID.
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67 5.3L Build |
10-09-2011, 12:08 PM | #3 |
meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Wiring harness questions
the HELP! tree's in most parts stores have a few different grommets you can check out. I actually was able to re-use an existing grommet for my main trunk of wiring, but bought a few smaller ones for the other pass throughs I have.
Places like Parker that sell fittings and hose usually also carry some grommets.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD
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10-09-2011, 05:08 PM | #4 |
Registered User
Join Date: Jan 2010
Location: Fishersville, VA
Posts: 39
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Re: Wiring harness questions
Ok that gives me some ideas for a grommet but where in the firewall need you pass thru, directly behind the intake or one side or the other. The engine that I got is a crate engine and Ive pieced everything together so far so there has been no extra parts to reuse so to speak. Just wondering what everyone has been doing. I know that the computer is meant to go under the hood but Im wanting to clean that up and smooth most of it out. Thats why I want it inside. Thanks again fellows!
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8.1l 496 4l80e |
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