Wog's '78 Wild Child build

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pidjones
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Re: Wog's '78 Wild Child build

#631

Post by pidjones »

Don't make the runners so big that you loose velocity in them.
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Re: Wog's '78 Wild Child build

#632

Post by Track T 2411 »

I'd be concerned how the sharp angles would affect flow. I'm not an engineer, but it seems to me that the exit from the carb and entrance into the head at such steep angles significantly affects the cross-sectional area.
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Re: Wog's '78 Wild Child build

#633

Post by wog »

Both comments makes sense. With all of your feedback, I'll make it work. Just trying to make it unique, not just mount them on top of the heads. I like the stacks in the middle, and I have long legs. :IDTS:
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Re: Wog's '78 Wild Child build

#634

Post by robin1731 »

Track T 2411 wrote:I'd be concerned how the sharp angles would affect flow. I'm not an engineer, but it seems to me that the exit from the carb and entrance into the head at such steep angles significantly affects the cross-sectional area.

I was thinking the same thing. A more rounded exit entry would flow better. If you to kame the tube a little smaller I.D. at the entrance to the head that would help velocity some. Port matching everything would help too.

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Re: Wog's '78 Wild Child build

#635

Post by wog »

Without cutting the frame, I can't get them inside, so I figured I'd buy Randakk's manifolds.
But here's my dilemma...
20200606_132840.jpg
20200606_132935.jpg
Do you guys that run them just get used to it and bring your knees out?

I'm pondering this...
20200606_132741.jpg
20200606_133155.jpg
The end angle would be a little different for each and one would be about a 1/4" longer.
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Re: Wog's '78 Wild Child build

#636

Post by Track T 2411 »

I think that version would work out best for knee room. I doubt the difference in runner length would make any significant impact on performance. My 2 cents...
"I have no special talent. I am only passionately curious." - Albert Einstein

"He that is good with a hammer tends to think everything is a nail" - Abraham Maslow

"If you can't take the time to do it right the first time, how are you ever going to find the time to do it over?" -Unknown

Current Rides:
'Grumpy' - '81 Standard, now fully dressed.
'Layla' - '81 Standard w/dealer installed fairing and Hondaline bags.
'Scarlett' '76 'Survivor' nekkid as a j-bird!

Under Construction:
The 'Jalopy' '78-'79 Mash-up
'Quikie' '81 gl1100I back on the lift, project with the step-son!

In The Shed:
'81 gl1100I barn find aka "Josie, the farmer's daughter." (almost comatose build)
'77 gl1000, roller parts bike.
'82 gl1100I, 'Old Crusty' titled roller parts bike (free!)
'82 gl1100I, My first 'Wing, and an expensive lesson!
New2U Bike? Read Me.
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Re: Wog's '78 Wild Child build

#637

Post by wingrider »

I find being shorter, (30” inseam) makes it so I don’t hit the stuff. :-D
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Re: Wog's '78 Wild Child build

#638

Post by Oldewing »

I am 6 3 and my knees hit enough it was a deal breaker.

Like the forward lean fix, looks cool.
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Re: Wog's '78 Wild Child build

#639

Post by ericheath »

I contemplated moving them forward like that. It’s probably best. I recall others saying a good second gear shift and they smacked them. Subaru runners sweep down and then back up and down again. I’m assuming it’s to help with flow. Google them if you want them inside. I’m 5’10” and my carbs would hit easily with my left knee. They were smaller than Weber’s.

I think (what do I know??) the slanted ones would work well and give better throttle response.
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Re: Wog's '78 Wild Child build

#640

Post by wog »

I'll play around with making the tubes a little shorter. That will also help with leg clearance.
There will be a fine line to not go too short and have the end's start to really oval out.

Are sync screws not needed because of individual air intakes?

I plan on making the manifolds out of steel as it matches the ID better than the alum.
Last edited by wog on Tue Jun 09, 2020 2:24 pm, edited 1 time in total.
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Re: Wog's '78 Wild Child build

#641

Post by wog »

Just playing around, and won't go this route, but here's another way. Would need to make an interface for the carb bottoms and cut the two lower elbows and re-weld to the correct angle. But seems like it would work...
20200608_145448.jpg
20200608_145455.jpg
20200608_145547.jpg
20200608_145610.jpg
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Re: Wog's '78 Wild Child build

#642

Post by wog »

Starting to merge my crazy ideas into something that might work.
20200609_132831.jpg
20200609_133823.jpg
Thinking of the front air filters having a beveled down shape so won't need rain covers??

And I might have posted this before, but the intakes can handle the 400 degree heat for powder coating. :IDTS:
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Re: Wog's '78 Wild Child build

#643

Post by wog »

More progress...
20200617_165812.jpg
20200617_163539.jpg
20200617_163551.jpg
My knees clear the back of the carbs by an inch or so.

I know it looks like a long distance between the carbs and the heads, but still much closer then the old setup.
20200617_170532.jpg
I'll use this (that I rarely use) to get both sides ground parallel.
20200617_153008.jpg
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Re: Wog's '78 Wild Child build

#644

Post by ericheath »

:2thumbs :2thumbs
Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
77 Wing. black
83 Wing, in pieces
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Re: Wog's '78 Wild Child build

#645

Post by wog »

20200620_152817.jpg
20200620_152835.jpg
20200620_153151.jpg
Got to redo this side and shorten the rear tube a bit to get it even,
then make the right side, but moving along... :crosso
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