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Search: Posts Made By: Tech @ BG
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Forum: Carburetors
05-10-2007, 07:42 AM
Replies: 30
Views: 5,575
Posted By Tech @ BG

Re: demon issues

No problems with your Berryman's...

You should be able to get a kit through any Barry Grant distributor.
Forum: Carburetors
05-09-2007, 09:41 PM
Replies: 30
Views: 5,575
Posted By Tech @ BG

Re: demon issues

You'll be able to soak everything.

No seals around the shafts to worry about.

Best bet is to go through each of the holes with your cleaner, and spray them out with some compressed air.

No,...
Forum: Carburetors
05-09-2007, 10:52 AM
Replies: 19
Views: 1,066
Posted By Tech @ BG

Re: Carb Size????

At your elevation you'll probably need to go down 3 jet sizes in both the primary, and secondary sides of the carburetor.
Forum: Carburetors
05-09-2007, 10:49 AM
Replies: 30
Views: 5,575
Posted By Tech @ BG

Re: demon issues

OK, at least we know the engine is working OK, and we can move forward.

I'd go through the carburetor, clean it out, install new gaskets, and put it back to a baseline to start with.
Forum: Carburetors
05-08-2007, 09:28 PM
Replies: 19
Views: 1,066
Posted By Tech @ BG

Re: Carb Size????

Yes, you will need to jet down a bit for your elevation. Yes, it is a dual feed carburetor.
Forum: Carburetors
05-08-2007, 07:37 AM
Replies: 30
Views: 5,575
Posted By Tech @ BG

Re: demon issues

Kent,

You're probably going to want to be somewhere close to about 16 degree BTDC on a combination like yours. That is going to be the first thing you'll need to check. It sounds like there...
Forum: Carburetors
05-08-2007, 07:33 AM
Replies: 19
Views: 1,066
Posted By Tech @ BG

Re: Carb Size????

If you ordered a dual feed carburetor, you'll need a dual feed fuel line. If you're going to be going to a larger displacement engine in the future a 650 will be a good choice, if this is pretty...
Forum: Carburetors
05-07-2007, 07:59 AM
Replies: 19
Views: 1,066
Posted By Tech @ BG

Re: Carb Size????

What are the engine, & driveline specs of the combination you're working on?
Forum: Carburetors
05-07-2007, 07:57 AM
Replies: 30
Views: 5,575
Posted By Tech @ BG

Re: demon issues

Looking at the lift numbers the duration numbers he has listed are most likely the advertised numbers not the @ .050", so he should be OK.

The first thing we'd want to do is get the idle situation...
Forum: Carburetors
05-02-2007, 08:38 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

70/77 would be the baseline jetting for the 750 Mighty Demon... with annular boosters.

67/74 would be the baseline jetting for a 750 Speed Demon... with annular boosters.

May have been some...
Forum: Tech / General Engine
04-30-2007, 07:26 AM
Replies: 5
Views: 896
Posted By Tech @ BG

Re: Need Help setting base timing on aftermarket combo

Two quick questions:

1) Did you check TDC with this specific balancer setup? Different balancers have different marks.

2) Have you tried using a non-adjustable timing light?
Forum: Carburetors
04-30-2007, 07:19 AM
Replies: 1
Views: 610
Posted By Tech @ BG

Re: Need some info on my carb

If it is a carburetor that we modified there would be a part number and serial number etched into the side of the main body with a scribe. If you can get us these numbers we can tell you what you...
Forum: Carburetors
04-17-2007, 01:08 PM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Either the R45TS, or an Autolite 26.
Forum: Carburetors
04-17-2007, 08:00 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Mikz86TA,

Honestly I wouldn’t do much more adjusting until you’ve got the car where you can drive it. Reason being is that you can get the idle so lean that the car won’t drive properly. We can...
Forum: Carburetors
04-16-2007, 03:07 PM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Mikz86TA,

Sorry about that, missed the replies somehow.

There isn't going to be a set amount of vacuum, that will vary depending on how the combination all comes together.

Is the off...
Forum: Carburetors
04-13-2007, 07:54 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Mikz86TA,

Sounds like you're going in the right direction. Didn't mention anthing about the float levels since with them low it wouldn't hurt you at this point.
Since you've re-adjusted...
Forum: Carburetors
04-12-2007, 11:15 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Yes, squares on the front and rear...

No problem, we can make modifications from where we're at to get you there.
Forum: Carburetors
04-12-2007, 07:44 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

MikZ86TA,

The carburetor is definitely acting too big on your combination. Have you recently changed the ignition timing or idle RPM? As far as we’re you’re at on the butterflies like xpndbl3...
Forum: Carburetors
04-12-2007, 07:02 AM
Replies: 22
Views: 2,774
Posted By Tech @ BG

Re: Demon "Badman" Induction System

We've already go the prototype BBC intakes done and will begin dyno testing with them as soon as we finalize the SBC calibration.
Forum: Carburetors
04-11-2007, 10:21 AM
Replies: 22
Views: 2,774
Posted By Tech @ BG

Re: Demon "Badman" Induction System

Yes we will, but don't have the exact time frame on them yet.
Forum: Carburetors
04-11-2007, 07:17 AM
Replies: 9
Views: 1,279
Posted By Tech @ BG

Re: HP limit for this Carb??

With all else working properly (actually getting the power to the ground) to run 11.00's would take 445 HP at the wheels, which with an 18% (average) loss through your driveline you'd need to have at...
Forum: Carburetors
04-11-2007, 07:10 AM
Replies: 40
Views: 3,047
Posted By Tech @ BG

Re: Running Badly Under Load

Your cam profile is most likely going to want more than 12 degrees intial timing. You're probably going to have to be between 14 and 16 degrees initial for optimal performance. Now the timing isn't...
Forum: Carburetors
04-11-2007, 07:06 AM
Replies: 22
Views: 2,774
Posted By Tech @ BG

Re: Demon "Badman" Induction System

We should have them available late summer for the SBC applications. We'll be working on other combinations after that. We're in the final stages of drivability testing right now. Actually getting...
Forum: Carburetors
04-11-2007, 07:03 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

If she's that lean, even after idling down the return road going up a few jet sizes should take care of that for you.
Forum: Carburetors
04-10-2007, 09:21 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

How does your MPH compare to the other carburetors you had on the car?

Also, have you got to do a plug check at WOT yet, or are you planning on doing this when you go to the track next month?
Forum: Carburetors
04-10-2007, 09:15 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

OK... Need you to pull her off real quick, and just check how much of the primary, and secondary transfer slots are exposed right now. No need to make any changes just yet.
Forum: Carburetors
04-09-2007, 02:36 PM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

If you can check where you have the mixture screws, float levels, and timing that should help us start pointing you in the right direction. Do you know how much vacuum the engine is making at idle...
Forum: Carburetors
04-09-2007, 09:29 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Mikz86TA,

A 750 may be a touch big, but we should be able to get it to run properly on this combination. You really should get a PCV valve into the system to prevent from oil fouling your...
Forum: Power Adders
04-06-2007, 11:09 AM
Replies: 11
Views: 497
Posted By Tech @ BG

Re: Let me know what you think of my planned engine build

If you haven't modified the baseplate to pressurize the throttle shafts, enclosing the entire carburetor in a box will eliminate that problem.

Also, different types of bonnets, and boost levels...
Forum: Carburetors
04-06-2007, 08:49 AM
Replies: 22
Views: 2,774
Posted By Tech @ BG

Re: Demon "Badman" Induction System

Thanks for the interest in our new Inline carburetors.

Let’s first start off with a standard 4bl carburetor: The 4bl carburetor was designed out of packaging convenience not performance in mind....
Forum: Carburetors
04-06-2007, 08:34 AM
Replies: 8
Views: 1,214
Posted By Tech @ BG

Re: 850 carb too much carb for my combo?

Our carburetors are built more specifically than some other brands, so going too large is going to hurt performance.

It can lead to:
-Rich idle
-Poor Throttle Response
-Lean at WOT

On your...
Forum: Carburetors
04-06-2007, 07:56 AM
Replies: 10
Views: 1,231
Posted By Tech @ BG

Re: Need a bracket

Get the kit from Bowtie Overdrives www.700r4.com it will make your life, and the life of your transmission much easier!
Forum: Carburetors
04-06-2007, 07:48 AM
Replies: 2
Views: 658
Posted By Tech @ BG

Re: Is this a good carb?

We offer a 650 Speed Demon for the 330 HP crate engines in either mechanical or vacuum secondary. Mechanical Secondary P/N 1282010C330, Vacuum Secondary 1282010VE330. A mechanical secondary...
Forum: Power Adders
04-06-2007, 07:41 AM
Replies: 11
Views: 497
Posted By Tech @ BG

Re: Let me know what you think of my planned engine build

Whomever you decide to use for a carburetor make sure you let them know whether you're using an enclosure or a bonnet. This will make a big difference in the carburetor calibration.
Forum: Carburetors
04-06-2007, 07:35 AM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Let's start out with a few questions:

1) What combination (engine, driveline) are you working with?
2) Is it rich at idle, WOT, or both?
3) What do your plugs look like?
4) Do you know where...
Forum: Carburetors
04-05-2007, 04:47 PM
Replies: 49
Views: 3,107
Posted By Tech @ BG

Re: Anyone want to guess my carb???

Have you tried going back to the Stock Jetting yet?

We apologize if the carburetor had the wrong jets in it from the factory, just fax us a copy of your receipt with your address and we'll gladly...
Forum: Tech / General Engine
02-26-2005, 11:27 AM
Replies: 18
Views: 6,028
Posted By Tech @ BG

You can order the 525 Road Demon Jr. Carburetor...

You can order the 525 Road Demon Jr. Carburetor with either an electric, or manual choke.
Forum: Tech / General Engine
02-25-2005, 03:52 PM
Replies: 18
Views: 6,028
Posted By Tech @ BG

It should work very well on a combination like...

It should work very well on a combination like this.
Forum: Tech / General Engine
02-25-2005, 07:03 AM
Replies: 18
Views: 6,028
Posted By Tech @ BG

If you're using the stock cam in the engine, a...

If you're using the stock cam in the engine, a 525 Road Demon should work really well. It will give you better throttle response, acceleration, and drivabilty than a larger carburetor would.
Forum: Tech / General Engine
02-24-2005, 04:55 PM
Replies: 18
Views: 6,028
Posted By Tech @ BG

What camshaft are you using?

What camshaft are you using?
Forum: Organized Drag Racing and Autocross
02-24-2005, 04:51 PM
Replies: 17
Views: 1,384
Posted By Tech @ BG

First you need to pick a pump that will handle...

First you need to pick a pump that will handle the type of HP your engine is rated for. That you should be able to get from your engine builder. Next you'll need to find a pump that can handle the...
Forum: Carburetors
02-24-2005, 04:45 PM
Replies: 8
Views: 1,056
Posted By Tech @ BG

If it is only doing this on the primary side,...

If it is only doing this on the primary side, swap the N&S with the secondary side to see if the problem follows the N&S or stays with the bowl. This will help you find the problem much quicker. ...
Forum: Tech / General Engine
02-14-2005, 11:32 AM
Replies: 4
Views: 514
Posted By Tech @ BG

With a 2800 Stall speed you're on the borderline...

With a 2800 Stall speed you're on the borderline between using a mechanical secondary and vacuum secondary. If you stick mechanical secondary a 650 is a better choice. It will give you crisper...
Forum: Aftermarket Product Review
02-10-2005, 09:36 AM
Replies: 90
Views: 14,383
Posted By Tech @ BG

Since we're still in the developemental stages on...

Since we're still in the developemental stages on these heads at this point we can say specifically how they would work on your application. Once we get through some more of our developemental...
Forum: Carburetors
01-23-2005, 10:51 AM
Replies: 3
Views: 690
Posted By Tech @ BG

Spacer

As said before spacers should be used as a tuning aid, not an end all be all you need to have one or not. A Spacer can crutch having something too small or too big in the intake tract (carburetor,...
Forum: Carburetors
01-20-2005, 12:37 PM
Replies: 3
Views: 561
Posted By Tech @ BG

You can have the problem you're having from being...

You can have the problem you're having from being too rich, or too lean. Looking at the plugs should let you know which you are. From there you can determine what tuning is needed.
Forum: Carburetors
01-20-2005, 05:56 AM
Replies: 3
Views: 561
Posted By Tech @ BG

Have you pulled a spark plug yet to see what it...

Have you pulled a spark plug yet to see what it looks like?
Forum: Aftermarket Product Review
01-19-2005, 01:33 PM
Replies: 90
Views: 14,383
Posted By Tech @ BG

We can't answer that until we determine how they...

We can't answer that until we determine how they are working. Multi valve heads generally use less lift than a 2 valve setup would.
Forum: Aftermarket Product Review
01-19-2005, 01:09 PM
Replies: 90
Views: 14,383
Posted By Tech @ BG

Can't answer that at this point since we're still...

Can't answer that at this point since we're still in the developmental stages. Onces we get closer to release we'll have more specific information available.
Forum: Aftermarket Product Review
01-19-2005, 01:01 PM
Replies: 90
Views: 14,383
Posted By Tech @ BG

Not at this point, we need to see how the...

Not at this point, we need to see how the production units perform, and sell before we decide completely where to go next.
Showing results 1 to 50 of 66
 
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