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Search: Posts Made By: Weaverman
Forum: GS Boxers 10-05-2014, 07:29 AM
Replies: 30
Views: 2,180
Posted By Weaverman
Mudguard

I removed mine immediately because I thought it looked DORKY!
Forum: Old's Cool 05-02-2011, 08:37 AM
Replies: 15
Views: 1,883
Posted By Weaverman
x2 with Bill...they most likely just need...

x2 with Bill...they most likely just need cleaning and fresh grease. However, you will need to properly set the preload. This will require a special tool...a simple tool. Search around here for...
Forum: Airheads 04-11-2011, 12:16 AM
Replies: 20
Views: 2,832
Posted By Weaverman
Nothing?

Nothing from anybody on the rebuildable GS driveshafts?
Forum: Airheads 04-09-2011, 11:49 PM
Replies: 20
Views: 2,832
Posted By Weaverman
Magi - Comments on the Beenershop shaft?

I'm finding myself in need of another driveshaft for my '93 GS. The HPM Guy shaft just isn't working out. I know you were already asked what you thought of the Beemershop driveshaft, but you didn't...
Forum: Old's Cool 03-13-2011, 10:05 AM
Replies: 17
Views: 1,239
Posted By Weaverman
Problem with the taller tire is that it...

Problem with the taller tire is that it undoebtedly will get wider as well, which you can't accomodate.

The speedo probllem is just one of those "airhead deals". Even though my bike is pristine,...
Forum: Old's Cool 03-13-2011, 09:14 AM
Replies: 17
Views: 1,239
Posted By Weaverman
My '94 GS speedo gyrates like a hula girl almost...

My '94 GS speedo gyrates like a hula girl almost all the time. I recently found out (via speeding ticket) that the high point that it gyrates to is closer to the actual speed than the low point. I...
Forum: Old's Cool 03-03-2011, 04:08 PM
Replies: 6
Views: 1,118
Posted By Weaverman
You'll love her! Eventually. It takes a while. ...

You'll love her! Eventually. It takes a while.

Looks like a pretty nice example...good for you!
Forum: Airheads 03-03-2011, 03:43 PM
Replies: 20
Views: 2,036
Posted By Weaverman
Looking this situation over, it was apparent to...

Looking this situation over, it was apparent to me that the factory found it cheaper to use sealant. Since they can assemble very quickly, they probably weren't very concerned about sealant starting...
Forum: Airheads 03-03-2011, 07:22 AM
Replies: 20
Views: 2,036
Posted By Weaverman
And there's your winner! I used the...

And there's your winner! I used the Loctite...perfect application for it. I also used the o-ring and coated it with a film of silicone grease, as I did with the pushrod tube seals. It went...
Forum: Airheads 03-02-2011, 08:11 PM
Replies: 20
Views: 2,036
Posted By Weaverman
Supershaft - I saw the "push rod seals" (not the...

Supershaft - I saw the "push rod seals" (not the pushrod tube seals) on the breakdown, but my bike doesn't have any. The quantity on the breakdonw has an "x" in the box. What are these about? I'm...
Forum: Airheads 03-02-2011, 05:57 PM
Replies: 100
Views: 7,536
Posted By Weaverman
Yes, it's the acceleration that increases.

Yes, it's the acceleration that increases.
Forum: Airheads 03-02-2011, 03:18 PM
Replies: 20
Views: 2,036
Posted By Weaverman
Thanks Andy! Yes, I'm hip to the rest of it. I...

Thanks Andy! Yes, I'm hip to the rest of it. I just wondered about the base o-rings v. sealer. this bike has never been apart, so the factory used sealer, not a ring. If everyone puts them...
Forum: Airheads 03-02-2011, 01:35 PM
Replies: 20
Views: 2,036
Posted By Weaverman
R100 jug sealing

A call out for experienced advice! I'm not an airhead guru.

I'm getting ready to button up the top end on my '94 GS. When I pulled the jugs off the old girl I noticed the factory used a small...
Forum: Airheads 03-02-2011, 11:34 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Oh...one other thing regarding dynos. The...

Oh...one other thing regarding dynos. The comment was made that meaningful data can't be gained below 3000 RPM. That's only true for the poor folks who have to use hydraulic brakes. The guys...
Forum: Airheads 03-02-2011, 11:23 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Yea, I mis-spoke myself on the piston speed...

Yea, I mis-spoke myself on the piston speed issue. The max velocity remains the same. I sure wish I still had the kinematic spreadsheet I made years ago when I was heavily into this stuff. It would...
Forum: Airheads 03-02-2011, 09:43 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Anotherguy - Agree. And I doubt the engineers...

Anotherguy - Agree. And I doubt the engineers really ever get it WRONG. They just might not have designed it exactly the way everyone wants. Engineering is definitly one of those pursuits where you...
Forum: Airheads 03-02-2011, 09:29 AM
Replies: 100
Views: 7,536
Posted By Weaverman
I can easily drop into the beer and strippers...

I can easily drop into the beer and strippers theme...
Forum: Airheads 03-02-2011, 08:39 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Supershaft - Good! Just wondered where you stood...

Supershaft - Good! Just wondered where you stood with that. No Googling?? C'mon! That's today's library! Not saying we should hang our hats on info we get from Forums, but there are various other...
Forum: Airheads 03-01-2011, 06:21 PM
Replies: 100
Views: 7,536
Posted By Weaverman
No Googling now...explain it in your own words!

No Googling now...explain it in your own words!
Forum: Airheads 03-01-2011, 06:12 PM
Replies: 100
Views: 7,536
Posted By Weaverman
Fair enough. I don't now all about anything! ...

Fair enough. I don't now all about anything!

But since you do, tell us how rod length impacts spark timing?
Forum: Airheads 03-01-2011, 02:22 PM
Replies: 100
Views: 7,536
Posted By Weaverman
Anotherguy - yes! It's about the area under the...

Anotherguy - yes! It's about the area under the curve (in the horizontal axis range you use...RPM). A nice peak is good if you run right up there and then stay there for the duration...like a drag...
Forum: Airheads 03-01-2011, 01:56 PM
Replies: 100
Views: 7,536
Posted By Weaverman
What bike is running 13+:1 reliably? In...

What bike is running 13+:1 reliably?

In research or development of an engine design, MBT is a crucial study. Maybe it can't be reached intially...that's why you continue development. Dick with...
Forum: Airheads 03-01-2011, 12:56 PM
Replies: 100
Views: 7,536
Posted By Weaverman
MBT definition

Supershaft - I think I need to further or better define MBT. The term has been around forever in GM, and many people say "Mean Best Torque". We looked it up today in the GM Test Code, and the acronym...
Forum: Airheads 02-28-2011, 01:36 PM
Replies: 100
Views: 7,536
Posted By Weaverman
Supershaft, if what you're thinking about MBT...

Supershaft, if what you're thinking about MBT timing always being attainable, why do they make premium fuel? For rich people?
Forum: Airheads 02-28-2011, 01:31 PM
Replies: 100
Views: 7,536
Posted By Weaverman
Hahaa! Yup...just follow the 'net! The...

Hahaa! Yup...just follow the 'net!

The best thing on topic here, since the original question had to do with jetting, is to think about fuel. You never know what you're going to get at the pump...
Forum: Airheads 02-28-2011, 12:12 PM
Replies: 100
Views: 7,536
Posted By Weaverman
There's only one "best"! Consider a...

There's only one "best"!

Consider a "simple" application; one without adjustable timing. Let's say you're tuning a Sprint Cup car or NHRA Pro Stock car (or a Grand Prix hydroplane, or a kart,...
Forum: Airheads 02-28-2011, 11:52 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Lornce - Kinda sorta. I was a spark...

Lornce - Kinda sorta. I was a spark plug/ignition/combustion system engineer at AC for about 25 years. AC was a GM subsidiary (later Delphi, now a zero). I was responsible for all GM V8s. It doesn't...
Forum: Airheads 02-28-2011, 11:25 AM
Replies: 100
Views: 7,536
Posted By Weaverman
It depends on which parameter you're tuning. ...

It depends on which parameter you're tuning. When developing an engine, the first variable you start analyzing is MBT, since it impacts losses directly. Fuel mapping comes later.
Forum: Airheads 02-28-2011, 11:09 AM
Replies: 100
Views: 7,536
Posted By Weaverman
It's used to differentiate between fuel v. spark....

It's used to differentiate between fuel v. spark. MBT pertains to spark timing (Mean Best Torque).
Forum: Airheads 02-28-2011, 11:02 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Needing to have the choke on until the engine is...

Needing to have the choke on until the engine is good and hot can be a sign of getting the jetting right. I have worked with many bikes that are jetted to the tits for most power and they are VERY...
Forum: Airheads 02-28-2011, 10:48 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Lornce - correct. I commented on that. To get...

Lornce - correct. I commented on that. To get specific readings you would need to cap the injection ports.

Benjava - +1 on that. See above.
Forum: Airheads 02-28-2011, 10:46 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Not aware of CV carbs negating air temp? Very...

Not aware of CV carbs negating air temp? Very interesting. Even if there were some "warming" contribution to the IAT (Inlet Air Temp) at idle or part throttle by the slides, I don't see how it...
Forum: Airheads 02-28-2011, 10:03 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Midlman - where are you located geographically?

Midlman - where are you located geographically?
Forum: Airheads 02-28-2011, 09:38 AM
Replies: 100
Views: 7,536
Posted By Weaverman
The air injection system on your bike is a "post...

The air injection system on your bike is a "post burn" sytem. Doesn't have any impact on what's going on in the combustion chamber, only on how bad your emissions are! It's an effort to clean up...
Forum: Airheads 02-28-2011, 09:03 AM
Replies: 100
Views: 7,536
Posted By Weaverman
Negatory, Supershaft. Extra fuel is how you...

Negatory, Supershaft. Extra fuel is how you avoid detonation.

Of course, carbon buildup can be the source of detonation. Most "carbon" (or more accurately, combustion deposits) you find in your...
Forum: Airheads 02-27-2011, 10:53 PM
Replies: 100
Views: 7,536
Posted By Weaverman
That extra fuel keeps her tickin' on for miles...

That extra fuel keeps her tickin' on for miles and miles. A little additional fuel goes a long way towards cooling down combustion chamber components.

Since the bike has off-road capabilities,...
Forum: Airheads 02-27-2011, 09:41 PM
Replies: 100
Views: 7,536
Posted By Weaverman
You think that's running too fat on top? I think...

You think that's running too fat on top? I think it looks like a pretty good power enrichment curve for a large-bore air cooled twin.

My '94 owner's manual claims 56.1 lb/ft & 58 bhp, so even...
Forum: Old's Cool 02-25-2011, 10:28 PM
Replies: 11
Views: 2,182
Posted By Weaverman
I'm not sure what the Relative Air Density...

I'm not sure what the Relative Air Density comments are about...anyone care to elaborate? I know what RAD is and what factors contribute to its value, but not sure it has any relevance to cold...
Forum: Old's Cool 02-24-2011, 10:28 AM
Replies: 11
Views: 2,182
Posted By Weaverman
Heat range selection

I'm going to have to jump in here real quick and comment on heat range and cold starting. Heat range has EVERYTHING to do with cold starts. Look at it this way...if we weren't worried about cold...
Forum: Old's Cool 02-21-2011, 04:44 AM
Replies: 5
Views: 1,092
Posted By Weaverman
The big problem with fiberglass tanks today is...

The big problem with fiberglass tanks today is the ethanol in the fuel. Many boats have been forced to undergo fuel tank replacement or be scrapped due to the EPAs allowance of ethanol in our fuel....
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