Sinister_Z28

Juat like the title says will my stock LS1 coil packs fit LS3 coil pack brackets? Any info or advice is appreciated.

lemons12

iTrader: (71)

Iirc most of them will but not all..

Im sure you could rig something up fairly simple however.

Sinister_Z28

Should i just upgrade coil packs then or will stock LS1 coil packs be ok for a 408?

lemons12

iTrader: (71)

Stock ls1 coils will take you a long way. I would keep them.

Sinister_Z28

Ok. So would anyone have a part number for stock ls3 coil pack brackets?

luigiandme

iTrader: (2)

12580353

Sinister_Z28

Thanks for the part number ill see if i can find em tomorrow morning when i get off work.

maxpower_454

iTrader: (7)

The LS3 and LS1 coils are a different bolt pattern. Go with the LS3 if you have a choice. If you already have LS1's I'd keep them. There might be a little power in the LS3's but maybe not. I would rally just buy them because they look a lot better than the LS1's

Sinister_Z28

Will LS3 coil packs plug into my LS1 wiring harness?

maxpower_454

iTrader: (7)

From what I've seen on here, the harness that connects all the coil packs together is a direct plug into the harness on an LS1 car.

Sinister_Z28

So basically if i want to run LS3 coils i need to get the wire harness that connects all the coils to the main wiring harness?

luigiandme

iTrader: (2)

They're all the same connector and pinout. Why must you run LS3 coils? LS1 Coils work just fine. and Besides a stock LS1/LS6 fuel rail doesnt clear the LS3 Coils

Sinister_Z28

Well i dont have to run LS3 coils i just need to find a way to mount my ls1 coil packs to the ls3 valve covers that are on my new 408. And i was considering upgrading because my old coils are hideous and old lol. But do any of u guys know a direct fit bolt on mount that puts LS1 coils on ls3 valve covers?