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The all new Barry Grant Street Demon carb
#1226348
05/02/12 10:29 PM
05/02/12 10:29 PM
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Joined: Jan 2003
Posts: 17,844
S.E. Michigan
ZIPPY
OP
I Live Here
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OP
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S.E. Michigan
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It appears to be a 3 barrel, AVS/Thermoquad influenced design. You can even order it with a plastic main body. ... only 625cfm, though? Might be ok for a 318?  And it has both Ford AND Chevy trans kickdown hookups...which is very helpful? Hmm  http://barrygrant.com/images/StreetDemonBrochure.jpg
Rich H.
Esse Quam Videri
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226349
05/02/12 10:37 PM
05/02/12 10:37 PM
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Joined: May 2004
Posts: 2,864
IN
Irun5snd8th
master
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master
Joined: May 2004
Posts: 2,864
IN
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I thoought BG was out of business Guess I was mistaken.
AFCO, Rons Fuel Injection sponsored Dodge Challenger
Mention Street Lethal Motorsports
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Re: The all new Barry Grant Street Demon carb
[Re: Irun5snd8th]
#1226351
05/02/12 10:43 PM
05/02/12 10:43 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I thoought BG was out of business Guess I was mistaken.
They were in bankruptcy but pulled out of it
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226353
05/03/12 09:11 AM
05/03/12 09:11 AM
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Joined: Feb 2005
Posts: 2,709
NJ central
Scamp408
master
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master
Joined: Feb 2005
Posts: 2,709
NJ central
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Quote:
Quote:
I didn't think there was a market for something like this.
Same here, which is why I am trying to understand
It seems to be the answer to a question nobody asked?
Anyway it should be interesting to see who gets one and how it works out.
I was just shopping for some idle feed restriction jets for my Race Demon...found both the big J and the big S don't have them listed on their website, then I found a post here where Brad H. stated it doesn't look like the quick fuel or other brands of jets will fit correctly in the hole in a BG carb, so then I thought I might have to try BG direct tomorrow. Then stumbled across that carb, and began to ponder how they came up with that product idea.
It was enough of a "Now what the heck is that?" moment, thought I would put it up here...
Im looking for Idle Feed restrictors also and nothing found.I contacted demon and they are not produced at this time.
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Re: The all new Barry Grant Street Demon carb
[Re: Scamp408]
#1226354
05/03/12 09:24 AM
05/03/12 09:24 AM
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Joined: Jan 2003
Posts: 17,844
S.E. Michigan
ZIPPY
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OP
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S.E. Michigan
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Oh lovely, that figures  Thanks for the input even if it's bad news, guess I will call them anyway....in the (unlikely) event they log customer call topics, maybe it will help show a little bit of a demand for them. Might look into the quick fuel ones anyway since they're more readily available....maybe if the od of the restrictor jet was reduced slightly or a counterbore was added to the metering block they could be made to work. I'd rather not be cutting on the metering block, though.
Rich H.
Esse Quam Videri
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226355
05/03/12 09:34 AM
05/03/12 09:34 AM
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Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
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I thought I heard Holley bought Demon?
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: The all new Barry Grant Street Demon carb
[Re: an8sec70cuda]
#1226356
05/03/12 09:42 AM
05/03/12 09:42 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I thought I heard Holley bought Demon?
I think they did... not positive
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Re: The all new Barry Grant Street Demon carb
[Re: MR_P_BODY]
#1226357
05/03/12 10:00 AM
05/03/12 10:00 AM
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Joined: Jan 2003
Posts: 1,606
westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,606
westerly, ri. usa
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demon carbs now a divison of holley
all parts are sold as is, all parts are considered used no warranties or returns
paypal/check/money order, shipping is from zip 02891, buyer pays paypal fees 24% IRS 1099A plus 3% of part price, check/money order preferred
site is not monitored 24/7 there might be a delay in response
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Re: The all new Barry Grant Street Demon carb
[Re: 440lebaron]
#1226358
05/03/12 11:27 AM
05/03/12 11:27 AM
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Joined: Jan 2003
Posts: 17,844
S.E. Michigan
ZIPPY
OP
I Live Here
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OP
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Joined: Jan 2003
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S.E. Michigan
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Yep I sort of gathered that....their area code changed from Georgia to Kentucky so that pretty much tells the tale.
I'm on the phone with them right now, am not expecting miracles but it doesn't hurt to let them know...
Rich H.
Esse Quam Videri
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226359
05/03/12 11:49 AM
05/03/12 11:49 AM
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Joined: Jan 2003
Posts: 17,844
S.E. Michigan
ZIPPY
OP
I Live Here
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OP
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S.E. Michigan
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I gave them the part number for the ifr set, at first they couldn't figure out what it was...then I told them what it was, no longer produced but will most likely go back into production towards the end of this year if things go according to plan.
Nice guy on the phone and he explained what HPI's plan is for Demon: bring street carbs back ASAP, then race carbs later. He stated most of the machining operations and programs need to be reworked and it's taking a long time.
Rich H.
Esse Quam Videri
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226360
05/03/12 11:51 AM
05/03/12 11:51 AM
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Joined: Jan 2003
Posts: 1,606
westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,606
westerly, ri. usa
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square carbs dont seem to sell very well, what happened to predator carbs??
all parts are sold as is, all parts are considered used no warranties or returns
paypal/check/money order, shipping is from zip 02891, buyer pays paypal fees 24% IRS 1099A plus 3% of part price, check/money order preferred
site is not monitored 24/7 there might be a delay in response
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Re: The all new Barry Grant Street Demon carb
[Re: AndyF]
#1226362
05/03/12 01:24 PM
05/03/12 01:24 PM
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Joined: Nov 2003
Posts: 5,160
Texas
dannysbee
master
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master
Joined: Nov 2003
Posts: 5,160
Texas
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Looks like there would be a market to me. Looks like the perfect carb for street rods or cruisers and street machines as well as a retrofit carb for older carbureted cars and trucks still on the road.
Getting old just means you were smarter than some and luckier than others.
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Re: The all new Barry Grant Street Demon carb
[Re: dannysbee]
#1226363
05/04/12 10:43 AM
05/04/12 10:43 AM
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Joined: Jan 2003
Posts: 17,844
S.E. Michigan
ZIPPY
OP
I Live Here
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OP
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Joined: Jan 2003
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S.E. Michigan
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I hope you are right, hope they sell lots of them. Quote:
square carbs dont seem to sell very well, what happened to predator carbs??
That was pretty near the same as my thought process, but I hope I'm wrong.
Rich H.
Esse Quam Videri
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226364
05/04/12 10:52 AM
05/04/12 10:52 AM
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Joined: Nov 2003
Posts: 5,160
Texas
dannysbee
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master
Joined: Nov 2003
Posts: 5,160
Texas
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Someone needs to talk to them about making a strip kit for the older avs and thermo quads. They could sell a lot of those.
Getting old just means you were smarter than some and luckier than others.
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Re: The all new Barry Grant Street Demon carb
[Re: mikeysmopars]
#1226367
05/04/12 11:55 AM
05/04/12 11:55 AM
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Joined: Jan 2003
Posts: 9,875
Weddington, N.C.
Streetwize
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master
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Posts: 9,875
Weddington, N.C.
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Looks like a strategic move by Holley to move into the Edelbrock AFB/AVS space which a lot of "hobbiest/non-racers" seem to prefer over the typical 4150/4160 style carb. Holleys previous attempts at an AFB style "open top/cast in float bowl" carbs have  never really caught on. So is this a 500 CFM "small venturi" carb that they get 625 out of with the Goggle style big 3 barrel? I'll wait for the 1000cfm version off the 800 body, I have an 800AVS on my 427 Cobra that I'm extremely happy with on a 500 hp motor where Tractibility on the roll-on is better and a double pumper is maybe not the best fit for.
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Re: The all new Barry Grant Street Demon carb
[Re: Streetwize]
#1226368
05/25/12 02:26 PM
05/25/12 02:26 PM
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Joined: Dec 2006
Posts: 3,533
Indiana
Fury Fan
master
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master
Joined: Dec 2006
Posts: 3,533
Indiana
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BG is listing these as having 1 3/8" primary bores, which would basically be OEM sizes for smallblocks. From http://ramchargercentral.com/engine/thermoquad-guide/:Quote:
The Thermo-Quad was available with two primary throttle bore sizes, 1-3/8"
and 1-1/2". Flow ratings (CFM) vary depending on the source, but
the TQs with the 1-3/8" bores are listed as 750-800 CFM and those with the
1-1/2" primary throttle bores are rated at 800-850 CFM. All TQs have the
2-1/4" diameter secondary throttle plates. The primary bore size depended
on application. In general, all 78 and later 318s and 360s and all 340s had
the smaller bore. Earlier 360s varied depending on application, most 400s
and all 440s had the large bore. The 9000 series have the small primary bore
and were rated by Carter at 800 cfm. Later TQs (ie, Lean Burn and ESA
applications, feedback systems) are quoted with less flow ratings, but
this is due to the control of the carburetion system, not the inherent
flow capability of the basic carburetor. The internal metering is set for
leaner running conditions for Lean Burn. Either bore size can be tuned
to run well on most engine combinations. The smaller bore offers a slight
increase throttle response but less overall flow. The different bore sizing,
ie. speadbore, is an aspect that can lead to increased fuel economy while
delivering similar wide open throttle (WOT) performance to an equivalent
standard bore configuration. The adjustability of the TQ and the
spreadbore configuration allows the use of a large CFM carburetor on
a small displacement engine.
I'm curious how well this would work on a '65 413HP? I'm not sure I want to be a guinea pig for it, although if it's a bad fit I believe Summit would take it back with no questions.
And I wonder if an OEM 1 1/2" baseplate could be installed, would it fit and would it work well???
Last edited by Fury Fan; 05/25/12 02:28 PM.
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Re: The all new Barry Grant Street Demon carb
[Re: ZIPPY]
#1226369
05/25/12 06:59 PM
05/25/12 06:59 PM
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Joined: Oct 2007
Posts: 1,031
Raleigh N.C
hemiparts
"Missile Pilot"
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"Missile Pilot"
Joined: Oct 2007
Posts: 1,031
Raleigh N.C
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Quote:
Yep I sort of gathered that....their area code changed from Georgia to Kentucky so that pretty much tells the tale.
I'm on the phone with them right now, am not expecting miracles but it doesn't hurt to let them know...
I just sent my demon back today to be checked out and it went to Dalahoga (sp) Ga. Sales maybe handled through Holley but tech must still be in GA.
Chris
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Re: The all new Barry Grant Street Demon carb
[Re: cogen80]
#1226371
05/26/12 09:32 AM
05/26/12 09:32 AM
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Joined: Jan 2003
Posts: 8,940
Holly/MI
Dean_Kuzluzski
master
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master
Joined: Jan 2003
Posts: 8,940
Holly/MI
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Interesting product! The old Holley 3-barrel required a single-plane or you had to clearance the spot between the two secondary bores at the intake due to the oblong shape of the long/wide blade??? They would look cool  and be fun (1250 cfm) on an old school T-ram! 
R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
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Re: The all new Barry Grant Street Demon carb
[Re: Dean_Kuzluzski]
#1226372
11/07/12 12:19 AM
11/07/12 12:19 AM
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Joined: May 2004
Posts: 4,920
Joplin, MO USA
Robbins
master
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master
Joined: May 2004
Posts: 4,920
Joplin, MO USA
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I'm getting ready to bolt one on my 446 in my 1986 RC that I basically built for towing and hauling my family around. I'm hoping that it does well.
I just done a search in Google to see if someone as tried this already and found this thread.
Moparlee
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Re: The all new Barry Grant Street Demon carb
[Re: Cuda367]
#1226374
11/08/12 08:11 AM
11/08/12 08:11 AM
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Joined: May 2004
Posts: 4,920
Joplin, MO USA
Robbins
master
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master
Joined: May 2004
Posts: 4,920
Joplin, MO USA
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Well I'm not sure if I should post this here, but what a fight. They really didn't engineer this for us mopar guys at all.
The throttle bolt (that they say is for Chrysler and that is sold separately) wouldn't fit my accelerator cable at all.
Either side of the bolt stud....then you have to put the cable up high so that it will clear the carb stuff on the throttle linkage.
Took my four hole 1 in spacer out of it and that seem to help that, but now my three piece kick down won't even go on now cause of the throttle being to low.
They need to make bracket like Holley, and Edelbrock makes.
I guess that I have one of those and I'll try and just modify it to fit the Street Demon.
Moparlee
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Re: The all new Barry Grant Street Demon carb
[Re: Robbins]
#1226375
11/08/12 09:23 AM
11/08/12 09:23 AM
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Joined: Apr 2007
Posts: 2,826
NY usa
540challenger
master
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master
Joined: Apr 2007
Posts: 2,826
NY usa
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Quote:
Well I'm not sure if I should post this here, but what a fight. They really didn't engineer this for us mopar guys at all.
The throttle bolt (that they say is for Chrysler and that is sold separately) wouldn't fit my accelerator cable at all.
Either side of the bolt stud....then you have to put the cable up high so that it will clear the carb stuff on the throttle linkage.
Took my four hole 1 in spacer out of it and that seem to help that, but now my three piece kick down won't even go on now cause of the throttle being to low.
They need to make bracket like Holley, and Edelbrock makes.
I guess that I have one of those and I'll try and just modify it to fit the Street Demon.
there is a bracket out there for the other demons to use your stock cable and kick down , I wonder if it fits this new version hmmmmm
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