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Chipper Chapman · 04-26-2022, 06:01 PM

Mine likes 4.33 in F weight, 4.56 in G weight. They don’t have a ton of RPM on tap. With the 350hp combo 4.56 would likely be okay in the lighter class, but the cam doesnt seem to increase RPM range by much.

04-26-2022, 06:01 PM	#2
Chipper Chapman Member Join Date: Jan 2004 Location: Belmont N.S. Canada Posts: 473 Likes: 246 Liked 166 Times in 71 Posts	Re: Gear ratio/ Tire size Mine likes 4.33 in F weight, 4.56 in G weight. They don’t have a ton of RPM on tap. With the 350hp combo 4.56 would likely be okay in the lighter class, but the cam doesnt seem to increase RPM range by much. __________________ Chris Chapman 1969 Chevelle NHRA F-G/SA 1090