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Discussion Starter · #1 ·
Has anyone used msd coils on a 5.3? are they worth the money? do they last as long or any problems with them? any feedback would be appriciated my truck a 04 sierra 5.3
 

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haz 12"s!
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We already have the best coils around. MSDs are a serious waste of $$$$.
 

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I don't have a truck
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10,439 Posts
Nope. Not unless your OEM ones are toast. Even so, they wouldn't provide any gains over stock.
 

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haz 12"s!
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no "real world" gains but they ohm about a 10th of what OEM ones do and they do look better.
 

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HOT AIR BALLOON OWNER
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I have some. :)
 

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Your HID Preferred Vendor
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no "real world" gains but they ohm about a 10th of what OEM ones do and they do look better.
resistance is optimized for lots of things. less resistance means possible radio interference, etc. i have them on my 82, but i bought it with them on it.
 

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haz 12"s!
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4,531 Posts
resistance is optimized for lots of things. less resistance means possible radio interference, etc. i have them on my 82, but i bought it with them on it.
Could but they also arent solid core race wires. I have them with no problems. They are also too short to worry about radio interference, unlike the Gen3 stuff.
 

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haz 12"s!
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People make well over 1000hp on stock coils. Im sure theres people making 1500-2000 with them but no one I can think of off the top of my head.
Ive seen 1400rwhp with FI. Thats some spark. It was done with truck coils and not F body coils. Our trucks have a hotter spark.
 

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Ive seen 1400rwhp with FI. Thats some spark. It was done with truck coils and not F body coils. Our trucks have a hotter spark.
Yea, my friends LSX has truck coils. But its only made 800 so far, with 5lbs of boost and 5K rpm. It'll spin to over 8K and have a lot more boost when its tuned and done. When it was on the dyno a line popped off the dry sump pump so they havent made a decent pull with it yet even at low boost.
 

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GMFS Member
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4,390 Posts
buy them. worth their weight in gold. :imo
 
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