motec setup i made
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Thread Starter
Honda-Tech Member
Joined: May 2001
Posts: 2,523
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From: 604 whp NorCaL
Re: motec setup i made (Arturbo)
thanks for the compliments everyone, it took a long time to build.
yes, everything is mounted on plexiglass. about the wire harness itself, it is partially raychem (milspec), partially standard heat shrink, and the connectors are milspec contacts in a plastic case.
this actually started as a prototype. The real harness that i wanted to make was going to be full raychem heatshrink, but while building this harness i discovered a couple things that i didn't like about raychem.
first, a little background info. i was given a formula atlantic engine harness w/ full raychem heatshrink & boots to examine, and when i took it home i found out why I had gotten it for free. apparently, the harness had been rubbing on something and wore thru the raychem heatshrink to the point where a couple wires actually went past the insulation.
at this point, i decided to cut it open to see what i could learn, and found that the raychem heatshrink was really soft, which explains the frayed wires. in comparison, standard heatshrink has a harder texture, and is significantly more difficult to cut and i make the educated guess that it would survive better against abrasion. heat/fire wise, I would assume that the raychem is superior.
one thing i commend raychem for though is their boots/splitters. they are extremely difficult to cut thru, and appear very abrasion resistant.
in the immediate future, i plan on making a full raychem wire harness for experience, but at this point i'm not totally impressed, and i'm not sure if it justifies the cost.
95% of the cost of this project was spent on the motec system itself, to build the harness didn't take too much money, just a lot of my time.
yes, everything is mounted on plexiglass. about the wire harness itself, it is partially raychem (milspec), partially standard heat shrink, and the connectors are milspec contacts in a plastic case.
this actually started as a prototype. The real harness that i wanted to make was going to be full raychem heatshrink, but while building this harness i discovered a couple things that i didn't like about raychem.
first, a little background info. i was given a formula atlantic engine harness w/ full raychem heatshrink & boots to examine, and when i took it home i found out why I had gotten it for free. apparently, the harness had been rubbing on something and wore thru the raychem heatshrink to the point where a couple wires actually went past the insulation.
at this point, i decided to cut it open to see what i could learn, and found that the raychem heatshrink was really soft, which explains the frayed wires. in comparison, standard heatshrink has a harder texture, and is significantly more difficult to cut and i make the educated guess that it would survive better against abrasion. heat/fire wise, I would assume that the raychem is superior.
one thing i commend raychem for though is their boots/splitters. they are extremely difficult to cut thru, and appear very abrasion resistant.
in the immediate future, i plan on making a full raychem wire harness for experience, but at this point i'm not totally impressed, and i'm not sure if it justifies the cost.
95% of the cost of this project was spent on the motec system itself, to build the harness didn't take too much money, just a lot of my time.
Honda-Tech Member
Joined: Jun 2002
Posts: 5,273
Likes: 1
From: Traverse City, Michigan, USA
Re: motec setup i made (Hatch4urSnatch)
Looks good SEFI, might have to think on this for my SpeedPro install(my gf has claim to the plexi-glass, maybe ill go ricer-ific and use one of those CF RacePlates) 
Thread Starter
Honda-Tech Member
Joined: May 2001
Posts: 2,523
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From: 604 whp NorCaL
Re: motec setup i made (ekb18c)
not all of them have plugs because this started out as my prototype. i suppose i should have sat down and figured out what connectors and plugs i needed, but since I wasn't sure exactly how the harness would end up looking, i just kept it simple by ordering a bunch of 4 pin and 12 pin non booted connectors.
it's not exactly what i want just yet, there's a couple things i still want to try, but i need to finish other parts of my car, and this will do for now to get the car running.
i would say though that the $1250 motec charges to build a milspec harness isn't really that bad, after building this comparatively half-***, but equally time consuming harness myself.
it's not exactly what i want just yet, there's a couple things i still want to try, but i need to finish other parts of my car, and this will do for now to get the car running.
i would say though that the $1250 motec charges to build a milspec harness isn't really that bad, after building this comparatively half-***, but equally time consuming harness myself.
