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Author
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Topic: holley vs. demon
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V-8
Gearhead Posts: 112
From: Turkey/istanbul
Registered: Dec 2003
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posted 12-05-2003 10:47 PM
   
there any guys using demon carb on his/her FORD.
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capri man
Gearhead Posts: 3953
From: doerun, ga.
Registered: Nov 2000
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posted 12-06-2003 07:14 AM
save yourself a lot of headaches, go with the holley!!!!------------------
mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft. http://www.angelfire.com/ny5/billswebsite/pg06.html
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V-8
Gearhead Posts: 112
From: Turkey/istanbul
Registered: Dec 2003
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posted 12-06-2003 08:11 AM
yes.i heard some problems with demon carbs.
750hp im going to try on my 351w.
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CometGT1974
Gearhead Posts: 238
From: Asheville, NC USA
Registered: Jan 2002
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posted 12-06-2003 10:28 AM
They both make good carburetors......
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Bloose
Gearhead Posts: 287
From: Milwaukee, WI
Registered: Dec 2001
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posted 12-06-2003 12:28 PM
I have a Mighty Demon 650 DP on my '68 Fairlane w/289. I had a Holley 650DP first that I had big problems with. Though, the problems I had were likely because it was set up wrong and I didn't have the knowledge at the time to get it right. My second carb was a Road Demon. It was much better than the Holley but still a probelm. Misses and stumbles at differnt RPM's no matter what I did. I tried the BG tech line and they were little help. I was going to go with another Holley but after I got off the phone with Holley's tech line I realized they also were no help. So I settled on the MD 650DP. IMHO it is just like a Holley only made much nicer. It works pretty much the same, uses many of the same parts but the fit and finish is top notch. The MD 650 I now have runs great, no stumbles no misses. It ran great when I bolted it on and the few adjustments I made made it even better. At $500 I thought it was a bargain for what I got.HTH,
B-loose
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kid vishus
Gearhead Posts: 5027
From: middle of NC
Registered: Oct 2000
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posted 12-06-2003 12:39 PM
quote:
Originally posted by CometGT1974:
They both make good carburetors......
That's a matter of opinion.
Personally, I wouldn't trade a cheeseburger Happy Meal for a Demon carb of any kind. Especially considering the best "out of the box" carb is still from Holley, but has HP tagged on the name. 
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capri man
Gearhead Posts: 3953
From: doerun, ga.
Registered: Nov 2000
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posted 12-06-2003 01:19 PM
yup kv, thats the biggest problem with a holley. people wont take them out of box and try them. most of the time they will work great with just an idle adjustment. but for some reason, they want to tear them apart and start changing things first.------------------
mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft. http://www.angelfire.com/ny5/billswebsite/pg06.html
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N266fords
Gearhead Posts: 906
From: Spokane ,WA USA
Registered: Apr 2003
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posted 12-06-2003 01:23 PM
quote:
Originally posted by kid vishus:
That's a matter of opinion.Personally, I wouldn't trade a cheeseburger Happy Meal for a Demon carb of any kind. Especially considering the best "out of the box" carb is still from Holley, but has HP tagged on the name.
I would trade it for a happy meal then sell it and buy a few big kids happy meals at Burger king instead. LOL< Bruce
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CometGT1974
Gearhead Posts: 238
From: Asheville, NC USA
Registered: Jan 2002
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posted 12-06-2003 01:49 PM
quote:
Originally posted by kid vishus:
That's a matter of opinion.
Ok, how about I re-phrase that.... They've both made good carbs and they've both made not so good carbs.  I know too many guys going superfast with the Demon carbs to say that every Demon is not a good carb!!!!!! That's a fact. [This message has been edited by CometGT1974 (edited 12-06-2003).]
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ted
Journeyman Posts: 30
From: Central Texas
Registered: May 2003
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posted 12-06-2003 11:12 PM
I've used both and it's not like comparing apples to apples. The Demon carbs are air flowed differently and do not compare on a cfm to cfm basis to a Holley. You'll have to use a smaller Demon to get a comparable cfm performance or rating of a Holley. Currently running a 650 Speed Demon with vacuum secondaries and running 9.70's @ 134 mph.------------------
Ted E.
Fe's are plenty fast, but "Y"'s are fun when they run in the nines.
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CometGT1974
Gearhead Posts: 238
From: Asheville, NC USA
Registered: Jan 2002
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posted 12-07-2003 10:39 AM
Aren't the demons wet flowed??
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Clark
Gearhead Posts: 600
From: Rowlett,Texas
Registered: Aug 99
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posted 12-12-2003 01:07 PM
Couldn't help but weigh in, I have a 625 Road Demon sitting on top of my 393W, got a good deal, happy with the carb.Yes, Comet they are wet flowed. ------------------
69 393W Sportsroof Deluxe [This message has been edited by Clark (edited 12-12-2003).]
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