[DeTomaso] Holley Carb jet extension-stalls on braking

[clay willmott]

If I do stroke the engine to around 398 or so would the 800 cfm carb then be about right?
I hate to buy a diff carb right now.  Is the only down side wasting a little more gas cause I dont drive it a whole lot.
I may pull the engine/tranny this winter for a 3.77 gear and stroke it to around 398 or maybe the 408.

Am I about the only person with an 800 cfm on a stock engine?

Thanks
Clay
From: MikeLDrew at aol.com
Date: Tue, 28 Jul 2009 19:46:52 -0400
Subject: Re: [DeTomaso] Holley Carb jet extension-stalls on braking
To: claywillmott at hotmail.com; charlesmccall at gmail.com; detomaso at realbig.com



In a message dated 7/28/09 12 01 30, claywillmott at hotmail.com writes:





My engine is rebuilt and I was told had 480 HP where I bought it which was a total fallacy.

It had around 270 HP on Chasis Dyno recently thus I assume it is "roughly" stock.  A 71 pushbutton should have 330 hp as I recall.



>>>That's 310 hp, and that's engine horsepower, which translates into about 230-240 at the wheels.



I was shocked today when holley told me I had a 800 cfm also.



>>>Without a doubt it's too big for your motor.   FWIW my 569 hp 427 side-oiler in my Cobra made peak power with an 850 double-pumper, but driveability was crap.   I switched to a 750 DP (which some say is 'too small' for a pumped-up 427), perhaps gave up a little power, and gained 1000% improvement in driveability.



I have a 700 DP on my built 351C in my Pantera and that's just about perfect IMHO.



Mike








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