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Reply to "New engine/low HP"

George and friends,
Dennis Antennucci is running an 850 cfm carb. I would have thought that when I took my carb in to have it set up for the new stroker engine, they would do what was necessary to make it work well. I've heard of smaller carbs set up to flow like larger carbs, it didn't even dawn on me that I might not have enough carb to get the job done. When you mention another 40 HP from an 850, that sounds good. I just figured my carb would be correct for my application when I got it back from the carb shop. At this point, could I possibly gain 40 horses by switching to an 850?
Art


quote:
Originally posted by george pence:
quote:
Originally posted by Daniel_Jones:
...He'd gain a bunch by moving to a Yates intake....


David's engine builder dyno'd the motor with both intakes, I don't have the figures before me, but the Yates intake made something like 40 bhp more above 5000 rpm. David did indeed elect to run the Yates intake. For every extra bhp the Yates intake made above 5000 rpm, the motor lost an equal amount below 5000 rpm. I would have selected the Performer personally. You probably know that about me by now.

quote:
Originally posted by Daniel_Jones:
...your carb is a limiting factor. ... X = 834 CFM flow rating required....


Good point Dan, I glossed right over the carb last night. I have witnessed the 750 Holley take motors into the 500 bhp range, and the HP series, which weren't around 20 years ago, will do even better. But I can't argue that you can probably bolt 40 bhp on by going to an 850 HP carb, especially on a 377 stroker motor. On the street I would advise Art to run the smaller carb. Isn't Dennis A runnng a 750?

quote:
Originally posted by Daniel_Jones:
...I offered up a Strip Dominator, Blue
Thunder, Boss 351, and Torker for a dyno test but I don't think he's interested.


From the "aluminum containmant facility"! Show off! LOL...... Wink

Dan, you're the man! Your friend on the DTBB
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