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How do you like the new Demon carbs? #1647452 07/17/14 01:14 AM 07/17/14 01:14 AM
Joined: Aug 2005 Posts: 1,043 Motown, Mi P PAULS_340 OP super stock
PAULS_340 OP super stock P Joined: Aug 2005 Posts: 1,043 Motown, Mi	Is the jury out on these carbs yet?http://thumbs3.ebaystatic.com/d/l180/pict/271538488646_1.jpg Still looking for LM29H1B415501, '71 Demon 340

Re: How do you like the new Demon carbs? [Re: PAULS_340] #1647453 07/17/14 06:27 PM 07/17/14 06:27 PM
Joined: Jan 2003 Posts: 1,643 A certified culture free zone. 74RALLYE top fuel
74RALLYE top fuel Joined: Jan 2003 Posts: 1,643 A certified culture free zone.	I'm curious to. I have a 440 that needs something like a 750 Street Demon. Bump.

Re: How do you like the new Demon carbs? [Re: 74RALLYE] #1647454 07/17/14 07:48 PM 07/17/14 07:48 PM
Joined: Aug 2005 Posts: 1,043 Motown, Mi P PAULS_340 OP super stock
PAULS_340 OP super stock P Joined: Aug 2005 Posts: 1,043 Motown, Mi	I'm really wondering about the new style Street Demons that resemble the original ThermoQuads. 625 and 750 cfm 8211488-Carb.jpg (66 downloads) Still looking for LM29H1B415501, '71 Demon 340

Re: How do you like the new Demon carbs? [Re: PAULS_340] #1647455 07/17/14 08:01 PM 07/17/14 08:01 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	Pretty much a clone of a Thermo-Quad with a couple mods. They screwed up by not making a 1000fm.

Re: How do you like the new Demon carbs? [Re: ScottSmith_Harms] #1647456 07/17/14 09:23 PM 07/17/14 09:23 PM
Joined: Jan 2003 Posts: 12,085 Benton, IL. D DaveRS23 Special needs idiot
DaveRS23 Special needs idiot D Joined: Jan 2003 Posts: 12,085 Benton, IL.	Calling them a clone may not be the best way to describe the new Street Demons. There are several key differences between the Thermo-quad and the new Demons. But there are some similarities. There are quite a few tests including one with a small block A body. Try Google. Master, again and still

Re: How do you like the new Demon carbs? [Re: DaveRS23] #1647457 07/18/14 07:33 PM 07/18/14 07:33 PM
Joined: Jan 2003 Posts: 1,643 A certified culture free zone. 74RALLYE top fuel
74RALLYE top fuel Joined: Jan 2003 Posts: 1,643 A certified culture free zone.	What about the composite body vs the aluminum body? Composite is better heat wise, but how long would it keep it's shape without warping?

Re: How do you like the new Demon carbs? [Re: 74RALLYE] #1647458 07/18/14 08:53 PM 07/18/14 08:53 PM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	Good reviews so far. https://www.youtube.com/watch?v=DPOuEOkazVc

Re: How do you like the new Demon carbs? [Re: PAULS_340] #1647459 07/18/14 09:29 PM 07/18/14 09:29 PM
Joined: Jan 2004 Posts: 921 Chicago illinois ChinooK440 super stock
ChinooK440 super stock Joined: Jan 2004 Posts: 921 Chicago illinois	I have no experience with these carbs, But am interested in them as well. One thing i noticed in the ads is the size of the primaries on the 750 version is 1-11/16� which is awfully big to be a true spread bore . It seems that they just increased the size of the primary bores from the 1 3/8" size on the 625 to make the 750 which kind of defeats the purpose of the spreadbore design ?

Re: How do you like the new Demon carbs? [Re: PAULS_340] #1647460 07/19/14 12:53 PM 07/19/14 12:53 PM
Joined: Jan 2003 Posts: 1,643 A certified culture free zone. 74RALLYE top fuel
74RALLYE top fuel Joined: Jan 2003 Posts: 1,643 A certified culture free zone.	All I can find on the 750 cfm Street Demon is great reviews and glowing magazine articles. The single complaint I found was that the screws on the top side were very tight. I'm a pessimist so I expect to find something negative or an application where the Demon is not well suited. At $354 it's priced right. I'm trying to choose between the Demon, the Holly Street Avenger and the Street Avenger Ultra. The Demon reads like it's the best and cheapest, but what about in the real world on a low vacuum engine?

Re: How do you like the new Demon carbs? [Re: ChinooK440] #1647461 07/20/14 08:14 AM 07/20/14 08:14 AM
Joined: Jun 2008 Posts: 10,847 Oakdale CT gdonovan I Live Here
gdonovan I Live Here Joined: Jun 2008 Posts: 10,847 Oakdale CT	Quote: One thing i noticed in the ads is the size of the primaries on the 750 version is 1-11/16� which is awfully big to be a true spread bore Its not a true spreadbore, it is designed to fit on a squarebore intake. One reason I suspect there is no model rated over 750 CFM. 8214013-streetdemon.jpg (41 downloads) "I think its got a hemi"

Re: How do you like the new Demon carbs? [Re: gdonovan] #1647462 07/20/14 11:37 PM 07/20/14 11:37 PM
Joined: Jan 2003 Posts: 1,643 A certified culture free zone. 74RALLYE top fuel
74RALLYE top fuel Joined: Jan 2003 Posts: 1,643 A certified culture free zone.	A 750 Demon is in the mail. I'll be setting it on my 440 by the end of the week. I ordered a pack of step up springs as well.

Re: How do you like the new Demon carbs? [Re: 74RALLYE] #1647463 07/21/14 11:51 AM 07/21/14 11:51 AM
Joined: Jan 2003 Posts: 12,085 Benton, IL. D DaveRS23 Special needs idiot
DaveRS23 Special needs idiot D Joined: Jan 2003 Posts: 12,085 Benton, IL.	Good choice! Let us know how it works for you. This question has been asked a lot lately. Master, again and still

Re: How do you like the new Demon carbs? [Re: DaveRS23] #1647464 07/21/14 09:57 PM 07/21/14 09:57 PM
Joined: Jul 2007 Posts: 461 Detroit Michigan stinger mopar
stinger mopar Joined: Jul 2007 Posts: 461 Detroit Michigan	thinking of giving up on my ole DP trying to make it more street friendly

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