C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Odd spot to mount MSD.... What do you think???

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Old Jul 3, 2003 | 11:18 PM
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Default Odd spot to mount MSD.... What do you think???

Don't have any pictures, but I had a 6 items installed the other day, MSD ignition being one of them. The shop didn't tell me where they were going to mount it, but when I showed up, the guy who did the work had fabbed a little bracket and using the bolts on top of the intake manifold, attached the ignition directly on top of the engine... Is this going to be OK?

:confused:

Looks rather funny, but seemed like a decent idea, plus he didnt' make a hole anywhere in my car or move anything around. He said it was the place with the most room and lest heat that he could find... :smash:
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Old Jul 4, 2003 | 07:33 AM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

I think I would want a cooler place to put it, maybe something with air flow around it.

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Old Jul 4, 2003 | 09:15 AM
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Default Re: Odd spot to mount MSD.... What do you think??? (mackeyred96)

I mounted mine on top of my battery. I had a couple problems that seemed to be heat related with it. After about half hour drive on hot day the box would fail. I'm sure it was the box because I could jump out and unplug it and go back to stock and the car would run fine, then I could replug it and it wouldn't work. I sent the box back 3 times under warranty. They kept saying they couldn't find anything wrong with it. They said it would be fine to mount it where I did too. I checked the temp on the unit when it would fail and it was running about 140 as shown on my temp gun. They said that should be fine. It hasn't failed yet this year and it's in the same spot. When it fails again I'm sending it back and then when I get it back I'm going to mount it inside somewhere. Sorry so long, just thought you might like to know.
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Old Jul 5, 2003 | 12:42 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

It'll fry on top of the intake. I mounted mine behind the drivers side wheel well below the battery. Its mounted to the wheel well wall with brackets. I had to cut away part of the battery brace to get it to fit. It's one of the coolest spots in the engine compartment and unless you know where to look it can't be seen. :D :D :D
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Old Jul 5, 2003 | 12:53 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

I beleive that will be way to hot for the MSD. I know when I was drag racing, most people mounted them in the car. But in the vette, you'll still want to get it where it can be as cool as possible. On top of intake will be very hot in my opinion.
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Old Jul 5, 2003 | 01:50 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

mine was mounted on the driver's side, under the master cylinder. it's very close to the exhaust manifold, but i've never had no troubles about it getting hot. there is a metal shield over it tho.
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Old Jul 5, 2003 | 03:01 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (corvettemaster)

There IS a chunk of metal between it and the intake manifold, which I know won't get rid of much heat, but do you think it's enough to keep it from messing up? I don't really have the know-how to put it anywhere else myself.

I drove Austin - Lubbock, and the unit didn't feel too hot, but the metal it was on got pretty hot.


[Modified by BowTieBlood, 2:01 PM 7/5/2003]
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Old Jul 5, 2003 | 03:54 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

I remember reading in a magazine (long time ago) that these MSD boxes should be mounted as far away from the firewall as possible on street cars. The reason was these units put out alot of electromagnetic interferance which could cause radio or ECM problems. Did you encounter anything like that when you drove the car home?

I don't have an MSD box, but I've been considering it. If I buy one, I will probably mount it on the driver's side, forward of the wheel well (near the carbon canister). Looks like a relatively cool, dry place that's far enough from the firewall that it won't interfere with any of the car's electronics.


[Modified by TheCorvetteKid, 2:55 PM 7/5/2003]
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Old Jul 5, 2003 | 04:12 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

Wonder if that mechanic also puts his NOS bottle INSIDE the engine compartment somewhere next to the EXHAUST/HEADERS.. :crazy: :lol:

I'd move the MSd off of there.. besides it prolly looks like crap.. :U
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Old Jul 5, 2003 | 05:49 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (MrNuke)

Yea, it looks kinda poopiety, but as for the electronics....... no problems with any of them.
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Old Jul 5, 2003 | 05:57 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

I don't have any tools with me here in Lubbock either, kind of thought I'd see how it went with it there...

How much do you think a shop would charge me to have them mount it somewhere else and re-wire it?

Otherwise I gotta drive back to Austin and have them re-do it, or do it myself.

Also, can someone post pictures of where their MSD is mounted? Would help a lot.


[Modified by BowTieBlood, 4:58 PM 7/5/2003]
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Old Jul 5, 2003 | 05:58 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

That's a weird place all right, I just mounted mine right near the charcoal canister
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Old Jul 6, 2003 | 09:33 PM
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Default Re: Odd spot to mount MSD.... What do you think??? (BowTieBlood)

I drilled holes in the frame next to the charcoal canister and mounted my MSD digital 6 plus there.

Lets just say I have given up on the MSD after not one, not two, but three MSD digital 6 plus units failed leaving me stranded on the road.

Dont know whether heat, vibration, water (it claims its completely waterproof), did it, but all 3 failed.

Ever wonder why road race cars have 2 MSD's? In case one fails....MSD = Might Suddenly Die

Good luck.
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