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Make a 1600 work off 6 volt?
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jorez
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PostPosted: Wed Aug 24, 2011 1:11 pm    Post subject: Make a 1600 work off 6 volt? Reply with quote

Can you make a larger engine run on 6v instead of a 12v? Why you ask? Just curious is all..i see everyone wanting to make a 6v into a 12v, im just wondering if you can make a 1600 run on 6v, incase i want to change the engine in my car. Thank you in advance
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bkrome
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PostPosted: Wed Aug 24, 2011 1:19 pm    Post subject: Reply with quote

the difference between 1300 and 1600 are just bore sizes really...

granted if you run 6v ALL your stuff has to be 6v
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Glenn Premium Member
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PostPosted: Wed Aug 24, 2011 1:21 pm    Post subject: Reply with quote

You need a replace the coil, generator, electric choke and shutoff solenoid if there is one.
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jorez
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PostPosted: Wed Aug 24, 2011 1:23 pm    Post subject: Reply with quote

So in response to the above, your saying in reality it should work. I see all these 1600 and above engine for sale as turn key or long block, not alot of 40 hp out there anymore, that is the reason, once my 40 hp takes a poop, getting a larger engine is easier...i know alot of you will say "rebuild it"...get it rebuilt..etc....but it is EASIER to buy another engine, and as long as it can run the 6v i will be happy.
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scirocco81
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PostPosted: Wed Aug 24, 2011 2:12 pm    Post subject: Reply with quote

I had a 66 Beetle with a single port 1600, ran just fine.
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Dangermouse
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PostPosted: Wed Aug 24, 2011 2:42 pm    Post subject: Reply with quote

I just built a dual carbed 6V 1600 for my car -

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


Coupla things to keep in mind:

Flywheel - bigger engine demands bigger clutch. 6V 200mm flywheels are out there but a little harder to find. You can bolt an early flywheel to a later crank (but not vice versa).

Image may have been reduced in size. Click image to view fullscreen.


Generator - 6V generator fan has a ring of holes in it to draw cooling air through it. Later doghouse fans don't have these but they can be added. Doghouse cooling is definitely a good idea for a larger engine. In the pic below, modified doghouse fan on the left, stock 6V fan on the right - see the difference?

Image may have been reduced in size. Click image to view fullscreen.


Cooler - Doghouse cooler can be added by drilling the holes in the case mounting ears to 8mm and using a step stud.

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


The 6V starter has no trouble at all cranking this over, even with 8:1 compression and it goes like stink (well, compared to a 40hp anyhew) Cool

So yes, it is possible. 6 volts should be enough for anyone Laughing
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jorez
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PostPosted: Wed Aug 24, 2011 3:06 pm    Post subject: Reply with quote

Thank you!! Thats what I was looking for!
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