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DANP85
Samba Member
Joined: July 26, 2020
Posts: 51
Location: Australia
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 Posted: Tue May 17, 2022 5:35 am Post subject: 6V Cranking A Later Engine |
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| Hey all, to what displacement/compression will a 6V system still reasonably crank and start without issues? Will it still crank a 1776 or larger engine with 8:1 or higher compression? Thanks heaps in advance! |
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Lingwendil
Samba Member
Joined: February 25, 2009
Posts: 3988
Location: Antioch, California, a block from the hood
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mukluk
Samba Member
Joined: October 18, 2012
Posts: 7028
Location: Clyde, TX
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| Posted: Tue May 17, 2022 7:30 am Post subject: Re: 6V Cranking A Later Engine |
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I may be off base here, but I get the impression the OP is asking about a fully 6v setup, not a 6v starter running on 12v.
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1960 Ragtop w/Semaphores "Inga" |
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Lingwendil
Samba Member
Joined: February 25, 2009
Posts: 3988
Location: Antioch, California, a block from the hood
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Jason37
Samba Member
Joined: April 21, 2004
Posts: 1028
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| Posted: Tue May 17, 2022 8:11 am Post subject: Re: 6V Cranking A Later Engine |
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| Lingwendil wrote: |
Ah, yes, that does seem to be the case 
Should work fine, as long as everything is in healthy shape connection wise, unless you have a weird setup with unusually high compression or funky valve timing.
It may be tricky fitting a 6 volt flywheel to a late engine though, unless you find a 200mm flywheel with a 6 volt ring gear. |
DPR offers the 200mm 6V flywheels. |
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DANP85
Samba Member
Joined: July 26, 2020
Posts: 51
Location: Australia
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| Posted: Tue May 17, 2022 6:47 pm Post subject: Re: 6V Cranking A Later Engine |
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| Thanks for the help! |
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big fat whitewalls
Samba Member
Joined: April 16, 2006
Posts: 473
Location: Sedalia MO. Formally San Fransisco Bay Area
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| Posted: Fri May 20, 2022 9:43 pm Post subject: Re: 6V Cranking A Later Engine |
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Jason37,
DPR offers the 200mm 6V flywheels.
Who is DPR? Thanks. |
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b-man
Samba Member
Joined: May 20, 2008
Posts: 500
Location: So Cal
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| Posted: Fri May 20, 2022 10:08 pm Post subject: Re: 6V Cranking A Later Engine |
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http://dprmachine.com/
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esde
Samba Member
Joined: October 20, 2007
Posts: 5969
Location: central rust belt
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| Posted: Sat May 21, 2022 6:20 am Post subject: Re: 6V Cranking A Later Engine |
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Been using a 6 volt starter on my 1835 since the 90's, compression is around 9:1. The only thing that killed it once was continually cranking it, got to give it some time to cool off if you have starting issues. But yeah, it spins fast and lights off immediately once things are dialed in
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Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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big fat whitewalls
Samba Member
Joined: April 16, 2006
Posts: 473
Location: Sedalia MO. Formally San Fransisco Bay Area
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| Posted: Sat May 21, 2022 12:15 pm Post subject: Re: 6V Cranking A Later Engine |
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| Just to clarify, my car is 6 volt, and is staying 6 volt. It's a European 58 Bug sold new in Belgium. I've owned it close to 40 years. I want to freshen up the original number matching 36 horse engine. My plan is to put the 6Volt flywheel on a 1600 I have sitting around. That way I can still drive the car. esde, I leave the 6 volt starter when I upgrade a car to 12 volts. Been doing that for years. |
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big fat whitewalls
Samba Member
Joined: April 16, 2006
Posts: 473
Location: Sedalia MO. Formally San Fransisco Bay Area
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| Posted: Sat May 21, 2022 12:17 pm Post subject: Re: 6V Cranking A Later Engine |
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| Forgot to say I found a 6 volt flywheel that came off a 1600. A local guy has it. Also getting the clutch disk and pressure plate. I should be good to go. |
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