Thoughts on msd coil packs.
06-02-2007, 11:08 PM
#1
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Thoughts on msd coil packs. If you were changing out your coils would you go with the msd or the truck coils.Were talking new not bone yard stuff that you don't no how much time has on them.BTW this is for hi horsepower app only.
06-03-2007, 01:08 AM
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Originally Posted by gametech
I have MSD coils on my gto strictly as an appearance mod. They make NO difference in power or driveability, they just look nice. BTW, the stock truck coils on my whipple blown silverado are still fine at 240k miles.
06-03-2007, 08:05 AM
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The deal is i can get a set of msd coils for dam near the same money as the truck coils.I just wanna make sure there is no problems with them.
06-03-2007, 11:45 AM
#7
Originally Posted by tuff
The deal is i can get a set of msd coils for dam near the same money as the truck coils.I just wanna make sure there is no problems with them.
Nobody can argue that they are def better then the stock ones. Its just that the stockers are so good there really isn't a reason to change them.
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06-03-2007, 11:46 AM
#8
FormerVendor
I had the MSD coils fail on the dyno on a supercharged LS1. Halfway through a run power dropped straight down about 80 horsepower and the car started misfiring. (this was after a few full pulls were made and the car was running great). After a cool down I made another run and the exact same thing happened, dropping about 80hp in the middle of the run. My only other experience with those coils was a stock car that came in with a misfire problem and the coils were leaking all over the engine, so I decided to swap on a set of truck coils.
With the truck coils on and no other changes the car made a clean pass and their was no longer the 80hp drop in the middle of the run, but damage was allready done as the car was burning coolant out of the exhaust.
The car came to our shop with those coils but from now on I will not tune any LS1 cars with the MSD coils. I don't know exactly what was happening when they failed but the engine showed major detonation upon teardown and had blown headgaskets and a cracked block.
With the truck coils on and no other changes the car made a clean pass and their was no longer the 80hp drop in the middle of the run, but damage was allready done as the car was burning coolant out of the exhaust.
The car came to our shop with those coils but from now on I will not tune any LS1 cars with the MSD coils. I don't know exactly what was happening when they failed but the engine showed major detonation upon teardown and had blown headgaskets and a cracked block.
