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Re: race car wiring help [Re: CMcAllister] #2874702
01/15/21 01:09 PM
01/15/21 01:09 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
I Live Here
Dragula  Offline
I Live Here

Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
I have to re-do my 70 Cuda street/strip car, and I have been looking at the Smart Wire....Expensive, but it does a lot. Thoughts?

Last edited by Dragula; 01/15/21 01:09 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: race car wiring help [Re: Dragula] #2874725
01/15/21 01:43 PM
01/15/21 01:43 PM
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
C
Cab_Burge Online work
I Win
Cab_Burge  Online Work
I Win
C

Joined: Aug 2003
Posts: 43,007
Bend,OR USA
Does it do more than you need? If so get what you need to save on the costs and excess wiring twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: race car wiring help [Re: CMcAllister] #2874731
01/15/21 01:56 PM
01/15/21 01:56 PM
Joined: Jan 2003
Posts: 8,005
Tulsa OK
Bad340fish Offline
master
Bad340fish  Offline
master

Joined: Jan 2003
Posts: 8,005
Tulsa OK
Originally Posted by CMcAllister
The all in one boards, ribbon cables, kits, printed circuit panels, etc. are nice until something in them fails. How many people carry spares?

I still like to source my components, build my own system for the requirements of the car in question. And be able to carry spare parts and easily identify and fix any issue at the track.

I have specific ways of organizing and putting a system together. No kit really fits what I like to do. So why buy it and only use half of it?


Valid point, and I don't trust the ribbon cables when it comes to stuff like that.

My relay panel has extra circuits so in the event of a failure I can move two wires and be back in business. Being a street car I try to built in some redundancy and ease of service into the package and that works out well for the track also. Changing an MSD box on the side of the highway makes you look at your wiring differently lol.


68 Barracuda Formula S 340
87 "Chrysler" Conquest
Re: race car wiring help [Re: dvw] #2874735
01/15/21 02:05 PM
01/15/21 02:05 PM
Joined: May 2016
Posts: 629
Ct
W
Wirenut Offline
mopar
Wirenut  Offline
mopar
W

Joined: May 2016
Posts: 629
Ct
Originally Posted by dvw
My wiring diagrams.
Doug


Man,
You never cease to amaze me !!!!!!!!!

Do you sleep????

LOL

Re: race car wiring help [Re: CMcAllister] #2874743
01/15/21 02:22 PM
01/15/21 02:22 PM
Joined: May 2016
Posts: 629
Ct
W
Wirenut Offline
mopar
Wirenut  Offline
mopar
W

Joined: May 2016
Posts: 629
Ct
Originally Posted by CMcAllister
The all in one boards, ribbon cables, kits, printed circuit panels, etc. are nice until something in them fails. How many people carry spares?

I still like to source my components, build my own system for the requirements of the car in question. And be able to carry spare parts and easily identify and fix any issue at the track.

I have specific ways of organizing and putting a system together. No kit really fits what I like to do. So why buy it and only use half of it?


I agree with this .
If it’s a basic race car this is fairly simple . Draw it out . Look it over , keep it simple . As dvw said locate relays near the heavy loads and keep a spare relay in the race tool box .

Label things as it makes troubleshooting under pressure easier . Tag wires with a label, and label fuses and relays

Re: race car wiring help [Re: Dragula] #2874758
01/15/21 02:51 PM
01/15/21 02:51 PM
Joined: Sep 2003
Posts: 19,237
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

Joined: Sep 2003
Posts: 19,237
north of coder
i couldn't find a smart wire site.
do you have a link ? TIA !
beer

Re: race car wiring help [Re: moparx] #2874811
01/15/21 05:03 PM
01/15/21 05:03 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
I Live Here
Dragula  Offline
I Live Here

Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY

Last edited by Dragula; 01/15/21 05:04 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: race car wiring help [Re: Dragula] #2874897
01/15/21 08:52 PM
01/15/21 08:52 PM
Joined: Jun 2005
Posts: 482
Michigan
B
BigFish69 Offline OP
mopar
BigFish69  Offline OP
mopar
B

Joined: Jun 2005
Posts: 482
Michigan
Thanks Doug for the wiring diagrams I've been drawing it out looks real similar to mine question what's the ign. wire with the switch looping back to the battery peg on the relay for? Is that required because it a push button start

Last edited by BigFish69; 01/15/21 08:56 PM.
Re: race car wiring help [Re: BigFish69] #2874944
01/15/21 11:25 PM
01/15/21 11:25 PM
Joined: Mar 2006
Posts: 9,791
MI, usa
dvw Offline
master
dvw  Offline
master

Joined: Mar 2006
Posts: 9,791
MI, usa
Originally Posted by BigFish69
Thanks Doug for the wiring diagrams I've been drawing it out looks real similar to mine question what's the ign. wire with the switch looping back to the battery peg on the relay for? Is that required because it a push button start

The yellow wire with the switch is for bumping the motor for valve lash. It is mounted on the engine side of the firewall.
Doug

E25.JPG
Last edited by dvw; 01/15/21 11:26 PM.
Re: race car wiring help [Re: dvw] #2874981
01/16/21 07:32 AM
01/16/21 07:32 AM
Joined: Jan 2003
Posts: 8,005
Tulsa OK
Bad340fish Offline
master
Bad340fish  Offline
master

Joined: Jan 2003
Posts: 8,005
Tulsa OK
I would highly recommend adding a bump button like that, I am glad I did!


68 Barracuda Formula S 340
87 "Chrysler" Conquest
Re: race car wiring help [Re: Bad340fish] #2875025
01/16/21 10:33 AM
01/16/21 10:33 AM
Joined: Aug 2009
Posts: 1,314
Ohio
J
jlatessa Offline
pro stock
jlatessa  Offline
pro stock
J

Joined: Aug 2009
Posts: 1,314
Ohio
Talk about sanitary.....I'm impressed!!

Joe

Re: race car wiring help [Re: Dragula] #2875093
01/16/21 01:46 PM
01/16/21 01:46 PM
Joined: Jan 2005
Posts: 176
Sterling Heights, MI
John_T_Brown Offline
member
John_T_Brown  Offline
member

Joined: Jan 2005
Posts: 176
Sterling Heights, MI
SmartWire is what I have used for years, it allows you to do things that are not possible with the ordinary analog wiring. The only thing that I would say about this system is if you are computer literate you'll be fine, if not get someone that knows computers and programming to set it up for you. SmartWire is a typical PDM (Power Distribution Module) that is designed for racing. It has one power input from the battery and can be controlled by any number of switches you desire (both analog and programmed). The number of loads is up to you... all you need to do is program them. smile

405.jpg

If it ain't broke fix it anyway!
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