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-   -   BB Chev HP (https://classracer.com/classforum/showthread.php?t=75974)

Dano 04-14-2020 12:16 PM
Re: BB Chev HP
 
my combo for A is 3490 lbs, for B 3698 lbs. I would need enough hp for A and they are 9.8 - 9.90 ?
Am I figuring the class wrong? 402" with Alum Heads and Auto.....8.23 lbs per?

Stan Weiss 04-14-2020 02:03 PM
Re: BB Chev HP
 
Quote:
Originally Posted by HP HUNTER (Post 612220)
9.29 @ 142.24 @ 3600 how much power using your formula?

While vehicle aerodynamics can cause this number to go up or down I think a good middle ground is 710 HP. With track weather BP=29.92 VP=0 Temp=60

Stan

Bob Mulry 04-14-2020 02:19 PM
Re: BB Chev HP
 
Quote:
Originally Posted by GTX JOHN (Post 612212)
There is only one Steve Wann.

I remember him wandering
about the pits when he probable
around 13 telling everyone how he was
kick our butts.

AND sure enough for the last 30 +years.....He certainly has
done that!!
He has good genes....

Comes from a family of racers...

Always a fast and I do mean fast, plus he's good guy.....

Mike Mans 04-14-2020 05:07 PM
Re: BB Chev HP
 
Quote:
Originally Posted by Dano (Post 612242)
my combo for A is 3490 lbs, for B 3698 lbs. I would need enough hp for A and they are 9.8 - 9.90 ?
Am I figuring the class wrong? 402" with Alum Heads and Auto.....8.23 lbs per?
You're right. The A weight for you is 3490 and the B would be 3695 (they always round down to the nearest 5 lb spot).

B Parker 04-14-2020 07:28 PM
Re: BB Chev HP
 
Frank I'm sure it depends on what round your in and what race your at. Several people have done it on red lights and in qualifying. I think it's nuts but it's their car and money. BP

HankN 04-19-2020 08:27 PM
Re: BB Chev HP
 
This is a factor from a B/SA 396 Camaro some years ago.
That one is Fast.
6.14/108.84
9.781/132.58
= 1297
Wonder of the RPM ;-)

Stan Weiss 05-09-2020 06:00 PM
Re: BB Chev HP
 
Quote:
Originally Posted by HP HUNTER (Post 612220)
9.29 @ 142.24 @ 3600 how much power using your formula?


Quote:
Originally Posted by Stan Weiss (Post 612255)
While vehicle aerodynamics can cause this number to go up or down I think a good middle ground is 710 HP. With track weather BP=29.92 VP=0 Temp=60

Stan

You never posted up how much HP it took.


Stan

Bob F 05-09-2020 08:37 PM
Re: BB Chev HP
 
9.03 @143. 3400lb 1970 Buick Gs great air @ Cecil co.
Made 830hp Superflow dyno

Stan Weiss 05-09-2020 10:08 PM
Re: BB Chev HP
 
Quote:
Originally Posted by 1uke (Post 614264)
9.03 @143. 3400lb 1970 Buick Gs great air @ Cecil co.
Made 830hp Superflow dyno

Was 3400 lb with driver? What was your 60 foot time?


Thanks,
Stan

Bob F 05-10-2020 06:31 AM
Re: BB Chev HP
 
Friends car.
3400 with driver so they tell me.
1.22. 9.03@145.5


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