Custom 2 into 1 manifold ideas?

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70sbudget

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Mar 24, 2020
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san diego
Good evening.
Working on my 1978 with a GL1200 from 85 I believe. Cut and bent my pvc mock up this week and working on creative solutions to mount my 2 barrel Motorcraft to my 1” pvc system.

Thinking of layering some Polly cutting board material and making my own 2 into 1 but looking for others solutions also. Thx

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Well... yeah, it's gonna take a lot to make that work... but I'm certain by the combination of dimensions, that you'll not have much airflow to work with when that's all done.

Whatever material you choose, test it first by pouring a cup of ethanol-blend gasoline on it, and seeing if it comes apart... many plastics don't tolerate it- they soften and collapse...
 
the floor flange would work, idealy id like to keep the carb closer to the manifold than it looks like that would allow for. time to get creative.

looking forward to trying to combine both options into one. :]
 
Fail number 1. Poly 1: epoxy 0. Glued and clamped overnight. No dice.
 

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When I did my pvc setup,I used seal all.did a good job

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Hmmm ok ..ive looked at pics...lots of turns and that's a big carb ... This will be interesting to see how this goes...as far as how the carb mounts it should be inline with the bike .. My carb secondary faces foward cause I want my linkage on that side ...boxer motors are worse to carbonate cause they start out with a 180 degree right from the combustion chamber ...eben stock carbs are theses bikes bikes biggest problems ...i use the grab bar runner system and type 4 carb mount that almost fits this carbs
 
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