351W with Demon 750 carb Running Rich

CBHumphrey · 09-13-2008, 08:23 AM

Engine running rich. Need to know if I am overcarburated. have
351W small block, mild compression, Trick Flow heads, Hurricane Intake. Still running rich. What's the deal with the air bleeds on the Barry Grant 750 carburators?

goodyear1984 · 09-15-2008, 05:23 PM

well first need to know what carb that you have (mighty,speed,race,road)

k now what are the cam specs,compression ratio,how high are you reving it.

i have went tru the same thing with a demon carb the mighty and race carbs are made for low signal(low vaccum) basically big cam and higher reving engines.let me know more info so i can help

09-13-2008, 08:23 AM	#1
CBHumphrey Registered Member Join Date: Sep 2008 Posts: 2	351W with Demon 750 carb Running Rich Engine running rich. Need to know if I am overcarburated. have 351W small block, mild compression, Trick Flow heads, Hurricane Intake. Still running rich. What's the deal with the air bleeds on the Barry Grant 750 carburators?

09-15-2008, 05:23 PM	#2
goodyear1984 Registered Member Join Date: Dec 2006 Location: new york Posts: 482	Re: 351W with Demon 750 carb Running Rich well first need to know what carb that you have (mighty,speed,race,road) k now what are the cam specs,compression ratio,how high are you reving it. i have went tru the same thing with a demon carb the mighty and race carbs are made for low signal(low vaccum) basically big cam and higher reving engines.let me know more info so i can help __________________ 347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.6 1.61 60ft coming soon 9sec et's 1992 mustang gt 2001 gmc 1500 4x4 78 century boat 92 skidoo

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