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ALLWAGONS
Samba Member
Joined: June 03, 2000
Posts: 4193
Location: Pasadena CA/DTLA soon China
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 Posted: Wed Aug 03, 2011 2:30 pm Post subject: Who knew? Short vs. long spark plugs |
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even after an engine rebuild, my '72 411 had the shakes and had problems starting when cold. I took it to a type 4 specialist and he told me the engine builder used short spark plugs. They replaced them with long ones and it purrrs like a kitten, and gained power and it doesn't shake. I am a happy type 4 owner!
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Bradey Bunch
Samba Member
Joined: July 29, 2009
Posts: 42
Location: BC, CANADA
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| Posted: Wed Aug 03, 2011 3:45 pm Post subject: |
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| Cool! Any part numbers off either of the plugs? |
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22729
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Wed Aug 03, 2011 11:36 pm Post subject: |
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Yeah, all the Type 4s take a long- reach plug, BP6ES is the NGK number if I recall. Can't remember the Bosch offhand. It's been years!
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The Sage
Samba Member
Joined: December 10, 2005
Posts: 2470
Location: Traverse City
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| Posted: Thu Aug 04, 2011 5:53 am Post subject: |
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| Tram wrote: |
| Yeah, all the Type 4s take a long- reach plug, BP6ES is the NGK number if I recall. Can't remember the Bosch offhand. It's been years! |
Is that all Type 4 engines or just 411/412?
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 21521
Location: Oklahoma City
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| Posted: Thu Aug 04, 2011 7:38 am Post subject: |
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Yes...all type 4's. The 411/412 is the original type 4 vechicle from which all other type 4 engined vehicles got their engines. Except for a few differences they are basically the same.
BP6ES is one of the plugs....is the most standard plug...that you might use in a type 4 engine. It depends on compresssion, and how you drive it (ignition settings play in as well). For most high compression 411/412 and 914 applications with stock injection I have found that Bosch W7DTC and NGK BP6ET work best. Ray |
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