IHRA HP Rating 1973 - 2 BBL 307 Nova ?

MR DERBY CITY · 07-15-2025, 05:49 PM

[QUOTE=Jeff Niceswanger;714366]One more time. I've stated this 3 times now. They are using NHRA indexes and subtracting .3...……...[/QUOTE) WOW , twice you told us they are using the NHRA indexes and ADDING 3 tenths ….Now I am totally confused …..

Mike Taylor 3601 · 07-15-2025, 06:38 PM

NHRA index ... IHRA add .30 (slower)

Jeff Niceswanger · 07-15-2025, 06:54 PM

[QUOTE=MR DERBY CITY;714368]

Quote:

Originally Posted by Jeff Niceswanger

One more time. I've stated this 3 times now. They are using NHRA indexes and subtracting .3...??...[/QUOTE) WOW , twice you told us they are using the NHRA indexes and ADDING 3 tenths ?.Now I am totally confused ?..

Ha Ha And you know better than that.... I fixed it.

MR DERBY CITY · 07-15-2025, 07:01 PM

[QUOTE=Jeff Niceswanger;714374]

Quote:

Originally Posted by MR DERBY CITY

Ha Ha And you know better than that.... I fixed it.

Hey Dude, the Wangers have never lied to me …..LOL.

07-15-2025, 05:49 PM	#1
MR DERBY CITY VIP Member Join Date: Feb 2014 Location: Derby City, USA Posts: 3,631 Likes: 1,081 Liked 7,908 Times in 1,513 Posts	Re: IHRA HP Rating 1973 - 2 BBL 307 Nova ? [QUOTE=Jeff Niceswanger;714366]One more time. I've stated this 3 times now. They are using NHRA indexes and subtracting .3...……...[/QUOTE) WOW , twice you told us they are using the NHRA indexes and ADDING 3 tenths ….Now I am totally confused …..

07-15-2025, 06:38 PM	#2
Mike Taylor 3601 VIP Member Join Date: Oct 2008 Location: Somerset,Ky Posts: 1,369 Likes: 348 Liked 292 Times in 101 Posts	Re: IHRA HP Rating 1973 - 2 BBL 307 Nova ? NHRA index ... IHRA add .30 (slower)