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-   Stock and Super Stock (https://classracer.com/classforum/forumdisplay.php?f=3)
-   -   Heads up runs in Stock & Super Stock (https://classracer.com/classforum/showthread.php?t=61520)

Sean Cour 03-10-2016 12:25 AM
Re: Heads up runs in Stock & Super Stock
 
Quote:
Originally Posted by grncpe (Post 497914)
Thanks, 48mm flows 650-700 cfm. That answers all my questions.
48 mm flows 600cfm.

Ed Wright 03-10-2016 11:19 AM
Re: Heads up runs in Stock & Super Stock
 
Quote:
Originally Posted by Sean Cour (Post 497926)
48 mm flows 600cfm.
Mine shows manifold vacuum above 6000 RPM.
A Quadrajet would be a good bit faster.

Jeff Niceswanger 03-10-2016 04:36 PM
Re: Heads up runs in Stock & Super Stock
 
We dyno'ed with both ... Right at 20 hp difference... But the FI is such a flat powerband it makes up for it ...

Ed Wright 03-10-2016 06:30 PM
Re: Heads up runs in Stock & Super Stock
 
Quote:
Originally Posted by Jeff Niceswanger (Post 497965)
We dyno'ed with both ... Right at 20 hp difference... But the FI is such a flat powerband it makes up for it ...
Same numbers Bobby Warren told me.

Ever try it at the track? Hard to think the flatter torque curve would make up for 20. Bobby didn't seem to think it would.

TinSoldier 3215 03-11-2016 10:38 AM
Re: Heads up runs in Stock & Super Stock
 
If a stock 48mm flows 453 from Gm.... How are they flowing 600 and above? Thanks.

TinSoldier 3215 03-11-2016 10:42 AM
Re: Heads up runs in Stock & Super Stock
 
Sorry..... I recheck my notes. 435 from Gm.

Ed Wright 03-11-2016 10:48 AM
Re: Heads up runs in Stock & Super Stock
 
I never flowed one. Where did you get 435?

ron mattson 03-11-2016 11:16 AM
Re: Heads up runs in Stock & Super Stock
 
We have more heads up races at our local
combo's and association races than most
nationals and divisionals. Just sayin!!

TinSoldier 3215 03-11-2016 11:19 AM
Re: Heads up runs in Stock & Super Stock
 
Ed.... Just Google it.

Ed Wright 03-11-2016 11:43 AM
Re: Heads up runs in Stock & Super Stock
 
OK, thanks.


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