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Author Topic: why keep it normal 78 goldwing slow build...  (Read 1453 times)

Offline cbrianroll

  • Posts: 269
why keep it normal 78 goldwing slow build...
« on: Jul 13, 2019, 23:10:04 »
Has been a while for this one. Carb issues last year? Then it sat after I painted the motor. Finally pulled it out and cut some frame off. Kinda torn on which direction to go....hardtail or not? Am thinning and lowering the frame at the shocks, trying to make better looking triangle.

Once that's done I'm hoping to have dual Weber's for it, an air filter on stock carbs is gonna be weird under a normal tank.

Any ideas are much welcomed, you guys come up with radest stuff.

Offline pidjones

  • Posts: 1052
Re: why keep it normal 78 goldwing slow build...
« Reply #1 on: Jul 14, 2019, 08:48:09 »
Hope you are keeping those intake ports covered. Single Solex (VW) carb, dual Webers, supercharger have all been done to varying degrees of success (supercharged 'wing by J.R. Lusik probably the best). Joe Drum on Classic Goldwings had a single Weber running great until he broke a belt. I just shipped him some valves because he is on very limited budget. For the rear, make sure some is bolt-on so you can remove the bits of drive train if needed. Seems the biggest problem on 'wing radicals is the tank and frame setup. With all of the frame parts on top, it gets real hard to work out a tank that look right, and then you have that huge hole where the old tank was. Might be interesting to see an entire re-design of all that. Oh, and change the belts.
"Love 'em all.... Let God sort 'em out!"

Offline cbrianroll

  • Posts: 269
Re: why keep it normal 78 goldwing slow build...
« Reply #2 on: Jul 14, 2019, 11:19:56 »
Ports are plugged and taped! I've been reading randakk notes again about carburation....lots of things to think about! I havent been on the wing forums for a while now, forgot about "change the belts" lol

Offline cbrianroll

  • Posts: 269
Re: why keep it normal 78 goldwing slow build...
« Reply #3 on: Jul 31, 2019, 23:15:25 »
Frame is in the way of petcock....easy option is to just weld it on the side....while it is a rat bike thingy...is it to ghetto? Any cooler ideas from anyone?

Offline cbrianroll

  • Posts: 269
Re: why keep it normal 78 goldwing slow build...
« Reply #4 on: Jul 31, 2019, 23:21:36 »
My other idea is just to weld in a barb fitting underneath and hidden...inline valve...inline filter...prob look better.

Offline spotty

  • Posts: 1045
  • Vmax...why,yes i think i will
    • spottys world of vmax (and great danes)
Re: why keep it normal 78 goldwing slow build...
« Reply #5 on: Jul 31, 2019, 23:58:39 »
weld the tap on there and you will end up with any water in the fuel never leaving the tank ( it'll sit below the level of the tap) and the tank WILL rust out, ask any previous owner of an early 80s XJ650 or 750 yamaha owner how they know this....
short fast loud, three things punk rock and vmaxs have in common

south of the border, down melbourne way

Offline cbrianroll

  • Posts: 269
Re: why keep it normal 78 goldwing slow build...
« Reply #6 on: Aug 01, 2019, 00:43:56 »
Smart.....I forgot about water...

Offline pidjones

  • Posts: 1052
Re: why keep it normal 78 goldwing slow build...
« Reply #7 on: Aug 01, 2019, 08:38:10 »
Note that the original tanks sucked fuel up hill to the petcock for about 1/2 tank.  Just something to consider. Maybe loose weighted pickups like a 2 stroke weedeater/chainsaw/leaf blower? Electric pump could be used if you could find one with that low a pressure output. Tach can be picked up from ignition. So, a custom cover put over the right rear head after cutting the tach drive worm off the cam. Webbers might even handle (or prefer) a higher fuel pressure. Removing carbs from the top and moving them outboard leaves a huge hole over the engine - could be useful, or hard to fill and make it look right.
"Love 'em all.... Let God sort 'em out!"

Offline cbrianroll

  • Posts: 269
Re: why keep it normal 78 goldwing slow build...
« Reply #8 on: Aug 01, 2019, 11:12:42 »
Good info thanks! Weber's come later after all is completed and safe to ride lol.

Offline Rider52

  • DTT SUPPORTER
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  • Posts: 517
Re: why keep it normal 78 goldwing slow build...
« Reply #9 on: Aug 01, 2019, 14:07:54 »
On my kid's rat 79 I removed the top frame rails and welded in a single tube. Added HD tank mounts and ran a set of later split 5 gal flat side tanks. This opened up the area below the seat for the electrics and battery. Nicely (well ratty anyway) held in an old WWII vintage 30 cal ammo can. I replaced the OG carbs with a homemade manifold I found at the Pate Swap meet in Dallas. The manifold was built for a Solex carb. 
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