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M120 · 02-13-2023, 02:05 PM

I replaced a 7AL2 with a 6AL between rounds after having the car shutdown on return road. Before it shut off the tach was jumping all over the place and would barely run.
I was racing an index class using weight to run the index. I didn't change weight after replacing with 6AL and ran exactly the same ET.
This was with a ZZ4 engine making around 380 hp . 11 second Chevelle

02-13-2023, 02:05 PM	#9
M120 Junior Member Join Date: Apr 2012 Location: Atco, NJ Posts: 32 Likes: 19 Liked 22 Times in 12 Posts	Re: MSD Ignition box I replaced a 7AL2 with a 6AL between rounds after having the car shutdown on return road. Before it shut off the tach was jumping all over the place and would barely run. I was racing an index class using weight to run the index. I didn't change weight after replacing with 6AL and ran exactly the same ET. This was with a ZZ4 engine making around 380 hp . 11 second Chevelle