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Re: The Real Difference: Hemi vs Ford & Chev

To: "Dick J" <lsr_man@yahoo.com>, <land-speed@autox.team.net>
Subject: Re: The Real Difference: Hemi vs Ford & Chev
From: "landspeedracer" <landspeedracer@msn.com>
Date: Wed, 26 Dec 2001 21:39:11 -0500
Dick

Here are some intake numbers for a new Brodix chevy ported head @28" H2O.

.200" - 156 cfm
.300  - 237
.400  - 301
.500  - 347
.600  - 374
.700  - 395
.800  - 401

JB
----- Original Message ----- 
From: "Dick J" <lsr_man@yahoo.com>
To: <land-speed@autox.team.net>
Sent: Wednesday, December 26, 2001 7:31 PM
Subject: The Real Difference: Hemi vs Ford & Chev 


> Specifically, I was comparing intake flow of a
> stock 1955 Chrysler 354 hemi and a ported
> Chrysler 354 hemi with some figures I had in a
> magazine for common SBC GM and aftermarket heads.
>  I found that the old hemi outflowed any of the
> heads listed in the article I had. I can't find
> the magazine with the SBC numbers as I have just
> boxed up a bunch of magazines in my annual
> cleanup to make room for new Christmas
> subscriptions.  If anybody has flow numbers for
> SBC though, I would like to compare them with the
> old hemi.  Here's what the 1955 Chrysler hemi
> flowed at 28 inches:
> .200 lift  121 stock   125 ported
> .300 lift  178 stock   200 ported
> .400 lift  212 stock   261 ported
> .500 lift  225 stock   287 ported
> .600 lift  233 stock   313 ported
> .700 lift              416 ported (modified for
> racing)
> 
> Personally, I think those numbers look pretty
> good, even today.  Does anybody have any numbers
> on any SBC that flows more than that?  Most
> old-time hemi guys felt that the smaller Desoto
> flowed even better than the Chrysler, because the
> ports were straighter.  I dunno, my motors are
> all nearly stock, but I still love every rusted
> bolt in them!
> 
> Dick J   

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