Re: Grounding for battery in the trunck?
[Re: Clanton]
#1722171
01/22/15 07:23 PM
01/22/15 07:23 PM
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Joined: Feb 2014
Posts: 655 Huntsville, AL
Airwoofer
mopar
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mopar
Joined: Feb 2014
Posts: 655
Huntsville, AL
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So anyways, why wouldn't having a separate power and ground buss for the race car stuff not work? So far that MSD seems to be happy the way it is.
Like this in the picture, except not grounded to the chassis... The rest of the stuff like fans, water pump, fuel pumps, lumped in with the car stuff like lights. BTW, this is kinda how the car is wired now and the box sticking into the space a passenger's legs would normally go is a hassle.
I have all that between the seat but I think that could go under the glove box with a hinge to swing down access.
That is exactly what I was thinking of doing!
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Re: Grounding for battery in the trunck?
[Re: Airwoofer]
#1722172
01/22/15 07:32 PM
01/22/15 07:32 PM
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Joined: Mar 2006
Posts: 9,852 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,852
MI, usa
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So anyways, why wouldn't having a separate power and ground buss for the race car stuff not work? So far that MSD seems to be happy the way it is.
Like this in the picture, except not grounded to the chassis... The rest of the stuff like fans, water pump, fuel pumps, lumped in with the car stuff like lights. BTW, this is kinda how the car is wired now and the box sticking into the space a passenger's legs would normally go is a hassle.
I have all that between the seat but I think that could go under the glove box with a hinge to swing down access.
That is exactly what I was thinking of doing!
How about behind the glove box, door swings down Doug.
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Re: Grounding for battery in the trunck?
[Re: FastmOp]
#1722174
01/23/15 02:15 AM
01/23/15 02:15 AM
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Joined: Aug 2003
Posts: 43,228 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
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I stuck my new plug wires on the ohm meter. Going through the cap and wire I can see a big difference between the Taylor's and Fire cores. I went with the HEI style cap lugs, (male) over the mopar style (female) The Taylor's were 1.4 ohms
Fire cores were .13 ohms.
One thing you need to remember on how the spark travels down the spark plug wires and how your testing the conductor that carrys the spark, electricity, (the ohm meter uses it low voltage internal battery to conduct the ohm test with minimal voltage) will always take the easiest path that will carry the load. The ohm test is testing the easeist path with very low voltage and almost no amps You should probally take the connectors off of each end of the spark plug wires and test the inner graphite nylon core that the ignition spark will travel down to the the spark plug, not the tiny outer stainless wires that the spark won't travel due to it having a lot higher restitance than the inner core, when new, do to the overall length. Spark plug wires wear out with use, the higher the resitance to the spark the faster they wear out I've seen the inner graphite coating burnt off of the nylon centers on the early radio suppression spark plug wires that didn't have the outer stainless wire wrapped around them like a lot of the new Hi Po wires for racing have now I had a miss that had affected the three shorter wires,#4,6 and 8, on the passenger side of my old 440 powered bracket Duster. It would start to miss the last three hundred feet of the 1/4 mile,those plugs look a litle different, not fouled, but not as clean as the rest of the plugs. I ohmed the wires and found those three wires where not testing like the rest of the wires and took them apart to find out why Be careful when it comes to racing and trouble shooting, it can drive you absolutely nuts
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Grounding for battery in the trunck?
[Re: FastmOp]
#1722175
01/23/15 10:25 PM
01/23/15 10:25 PM
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Joined: Oct 2003
Posts: 7,506 Az
Crizila
master
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master
Joined: Oct 2003
Posts: 7,506
Az
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Quote:
I stuck my new plug wires on the ohm meter. Going through the cap and wire I can see a big difference between the Taylor's and Fire cores. I went with the HEI style cap lugs, (male) over the mopar style (female) The Taylor's were 1.4 ohms
Fire cores were .13 ohms.
Comparing apples and oranges. Doesn't have anything to do with which wire is best. You can use an ohm test with wires of the same Mfg. Obviously the longer wires will test a little higher than the shorter ones, but what you are looking for is one wire that is way out of wack. What hurts wires is heat, improper removal, Lots of on and off the plugs ( especially when they are still hot ). I only used heat jacketed wires. I use lots of dielectric grease inside the plug boots, use a boot puller when I can, give the boots a little twist to break them loose from the plug before I tug on them, never pull on the wire to remove them and try not to remove/install them hot when I can. I like HEI style caps, keep the wires separated as much as possible, and don't run any other wiring near them. I do use the chasis for a ground on my non-electronic race car.
Fastest 300
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Re: Grounding for battery in the trunck?
[Re: 72Swinger]
#1722177
02/04/15 12:27 AM
02/04/15 12:27 AM
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Joined: Nov 2006
Posts: 733 jacksonville,FLORIDA
slammedR/T
super stock
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super stock
Joined: Nov 2006
Posts: 733
jacksonville,FLORIDA
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Applied some of my Moparts/Monte Smith learned knowledge on my engines ground strategy today. Also went ahead and routed my charge wire from the alternator in 4/0 AWG. I feel more confident the chances of a bunch of electrical gremlins wont get me this go around.
2000 Dakota R/T, 408 magnum, 727, Indy heads 1000cfm 4150 carb, 93 octane fuel. motor; 10.258 @ 132.78 200 shot; 9.262 @ 144.69 racemagnum
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Re: Grounding for battery in the trunck?
[Re: 72Swinger]
#1722180
02/04/15 11:40 PM
02/04/15 11:40 PM
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Joined: Jan 2003
Posts: 5,762 Hot Rod Ridge
FastmOp
master
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master
Joined: Jan 2003
Posts: 5,762
Hot Rod Ridge
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5 inches long X 2 inches wide X .375 thick.Its about 3 pounds lol. I went with some brass screws I had, small are 6-32. I'd go larger next time. Large screws are 10-24. The small ones are no fun to tap.use a lot of WD40. I'll have my isolators in the morning and the Copper lugs for the big screws and should get farther along soon. This is one of my last projects. It's almost ready to try again. Our tracks open in 24 days
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Re: Grounding for battery in the trunck?
[Re: FastmOp]
#1722181
02/05/15 01:06 AM
02/05/15 01:06 AM
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Joined: Feb 2011
Posts: 4,302 Nebraska
72Swinger
master
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master
Joined: Feb 2011
Posts: 4,302
Nebraska
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Cool Richard, keep us informed with whatever changes occur with the new HD ground setup and how the car runs, good or bad.
Mopar to the bone!!!
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