Demon carbs ae a good carb if you win the crap shoot of getting a good one. Most that we have put on at my shop have metal filings or other things in them. If I can't talk my customer out of one we automatically disassemble them to clean out the crap and debure the holes in the metering plates.

Here is a good story about a Demon carb costing a customer an engine. He bought a brand new 290 HP GM crate engine for his 34 Ford coupe. It ran about a hundred miles and got a terrible knock. He removed the engine and had a shop check what was going on. They found an unidentifyable piece of very hard metal in the cylinder. They had no idea where it came from or what it was. He was going around with GM over the warranty so to be able to drive his car he borrowed a engine from his friend. He drove it most of the summer with the loaner engine. When his 350 got fixed he reinstalled it in his coupe. While he was removing his DEMON carb to put it back on the 350 a piece odd looking metal fell out of the venturi. It was about 1/4" around with little spikes sticking out of it. That was the same looking piece as what wnet though his engine. It turns out that they put the carb bodies in a burnishing machine full of these little hardened steel pieces to polish the bodies to a nice finish. Apparently two of them got stuck in the carb and their wonderful quality control guys did not catch it. It cost my customer a lot of money as of course GM denied the claim on the engine after what was found. My advise is to take your Demon carb and "put it where the son don't shine". He is lucky he didn't ruin the loaner engine with the 2nd piece still stuck in there.

I bought the same carb for my ZZ4 and it kept flooding, I finally had to tear my new carb down only to find it was full of metal fillings. I cleaned and reassembled it and it was fine after that. I do not feel anyone should have to work on a expensive new carb except to fine tune it, so I called Barry Grant’s help line just to give them a heads up of my problem and all they kept saying was to change my engine timing, no mater what I said it was change my timing. I don’t think I will ever buy a carb from them again but if you do don’t expect any support or knowledge from Barry Grant’s tech line.

Well, Doug Schriefer, manager at Barry Grant has not answered letter, fax, emails, phone calls on this problem since my first attempt on July 17....about 105 days. Hello, Vic Edlebrock...ship that old faithful AFB. Are they still $38.17 like they were back in 1961 when they were introduced by GM ? ha, ha.

Fun with old cars, Jim

Holley, Edelbrock and Demon owners,...I feel your pain. I mean,...I use to. Remember,...

Carburators are the reason Fuel Injection was invented.

blksheep...directly injected...in Charlotte

Just spoke to tech in a very prominent NASCAR shop near Lowes Motor Speedway , NC.

He said their team refuses to go near Barry Grant carbs........too many problems.

As far as the metal shavings, we’ve found some carburetors (less than 1% of what we manufacture) with some debris in them, which is unacceptable. The goal is to have absolutely none, and to build the best product possible.

Since the majority of our products are made from billet components there is a higher chance of these types of issues than with cast components.

In the past a carburetor could have had trapped debris, and pass a flow test, but while getting bounced around during shipment the debris could become dislodged.

We have instituted the following changes to prevent these problems:

1) A vacuum system has been installed in all areas where drilling or machining is done to remove any debris from the parts.

2) A timed lock system has been installed on the pressure washer for the metering blocks to ensure they are flushed for the proper time.

3) Metering Blocks, and Main Bodies go through ultra sonic cleaning before final assembly.

4) Gaskets come from a sealed area to prevent debris from getting on the gaskets before the carburetors are assembled.

5) As always all carburetors are flow tested to proper specifications.

We appreciate the support, and feedback from our customers, and as always use this information to continually improve the quality, of our products, and services.

Technical Support,

Barry Grant, Inc.

www.barrygrant.com

Well, hello TECHBG, aka Doug Schriefer of Barry Grant. I notified you of this high liability problem in a phone conversation way back on July 17. Then followed it up by your requested fax and letter. Repeated the fax plus 4 phone calls through August 2 = no response. So here comes internet chat room warnings. Each time the above posts were made, each was sent to tech-sales@barrygrant.com count them and check the date of each..........today you are now concerned ??

Look at the carb ?? I made it clear before...the jesus clip was never installed on your assemby line or checked before boxing. What is there to look at? ...a clip was installed. Had my customer crashed, we would have had 6 lawyers serving interogitories to my shop, your distributor, and Barry Grant, Inc.

There are many more automotive web sites that received this jesus clip warning.

A refund in full will resolve this = $395 plus $9 shipping to BG. Upon receipt , BG will get the carb.

Jim, 410 535 1933

Jim,

We have multiple technicians who will log in under the same name which is why we log in under Tech @ BG or Tech AT BG on the 230 + message boards that we monitor. We take all feedback positive and negative extremely seriously.

Technical support

Barry Grant, Inc.

The metal fillings didn’t bother me as much as being treated like I was stupid. Their was no small amount of metal either, their was enough to fill the palm of my hand in the front bowl alone but to be told to change my timing repeatedly and ignored every time I said I had it all under control and I just wanted them to know of my problem so they could work on it so someone else wouldn’t have to do what I did, I didn’t want anything other than to make them aware of the situation.

Steve,

We are truly sorry for the issues you had, and the impression that you got from our technical department. Not being part of the original conversation it would be impossible to comment on what was or was not said, but we can assure you it would not have been our intention to make you feel bad. If you still have the carburetor we would be more than willing to work with you to try and rectify the problem.

Steve,

Technical Support,

I hate to tell you this anglia48 but my trouble was with the zz4 specific carburetor. Do you friends a favor and tell them to buy a Holley.

I'm the guy that IbuildM is refering to I've sat on the phone on hold waiting to talk with somebody at Barry Grant so many times for so long I was wondering if they were still in bussiness. I sent an email or two and got no response either, the pieces are shaped like a ball with a rib around it they are manufactrued by kramer industries to be used in burnishing systems evidently the folks at Barry Grant forgot to check if any were stuck in the carb, cost me over a grand to fix the one engine and I was real lucky not to lose my friends loaner. Believe me when I found the second piece stuck in the carb I tore it all the way down and found lot's of other tid bits in the jet holes and air passages mainly metal shavings from tapping and drilling steps. I will not buy a Barry Grant carb again and if you do tear it apart and rebuild it first thing, kinda defeats buying a new carb doesn't it!!!!

Rick

Steve/BG tech......tried to make land line contact...on hold 28 minutes even though #2 in quay. Finally left my phone. Also left my phone for Doug Schriefer again.

Call me at 410 535 1933, Maryland. Jim Mothershead

Finally got through to BGTECH = Steve, author of above replys: " I do not know what you are talking about. I did not respond to any web sites, SR.com or any other chat room. Those are people that have too much time on their hands. Barry Grant is not interested." end quote, BGTECH, Steve, who is the only Steve there.

What do you think "idle" Street Rod Builders ??

Jim Mothershead