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55veedub
Samba Member
Joined: May 12, 2008
Posts: 583
Location: North Bay, Ontario, Canada
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 Posted: Sun Apr 05, 2009 2:10 pm Post subject: Spark Plug choices |
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What would be good plugs to run in a stock 1970 beetle engine?
are there some that have found to be better than BOSCH? Champion?
If there are better plugs to run, what are they and what nunber? does anyone know of a chart with the different manufacturer cross-references?
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CoastalDefender
Samba Member
Joined: May 22, 2007
Posts: 99
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SkrapMetal
Samba Hornblaster
Joined: January 18, 2006
Posts: 2558
Location: Dallas, TX
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| Posted: Sun Apr 05, 2009 2:26 pm Post subject: |
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Bosch copper W8AC or NGK B5HS.
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oo9less since 2007
-72 Ghia- |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 79369
Location: Sneaking up behind you
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| Posted: Sun Apr 05, 2009 2:27 pm Post subject: |
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I've been using NGK for the past 10 years and have been happy with them.
First off you know which which heads you have of if they use 1/2" or 3/4" reach plugs?
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79369
Location: Sneaking up behind you
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| Posted: Sun Apr 05, 2009 2:28 pm Post subject: |
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| SkrapMetal wrote: |
| Bosch copper W8AC or NGK B5HS. |
You're assuming they are not 3/4" reach heads. If they were 3/4" then W8CC or B5ES would be the plugs to get.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
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CoastalDefender
Samba Member
Joined: May 22, 2007
Posts: 99
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| Posted: Sun Apr 05, 2009 2:28 pm Post subject: |
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| Glenn wrote: |
| First off you know which which heads you have of if they use 1/2" or 3/4" reach plugs? |
Dumb question time-
How would one go about discovering which they had? |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79369
Location: Sneaking up behind you
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| Posted: Sun Apr 05, 2009 2:29 pm Post subject: |
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Never, ever user platinum plugs in a air cooled VW engine
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79369
Location: Sneaking up behind you
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| Posted: Sun Apr 05, 2009 2:30 pm Post subject: |
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| CoastalDefender wrote: |
| Glenn wrote: |
| First off you know which which heads you have of if they use 1/2" or 3/4" reach plugs? |
Dumb question time-
How would one go about discovering which they had? |
Remove the old plugs and hope hay are correct or remove the valve covers and find the casting markings and see which they use.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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CoastalDefender
Samba Member
Joined: May 22, 2007
Posts: 99
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| Posted: Sun Apr 05, 2009 2:50 pm Post subject: |
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| Glenn wrote: |
Never, ever user platinum plugs in a air cooled VW engine |
Burn too hot? |
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SkrapMetal
Samba Hornblaster
Joined: January 18, 2006
Posts: 2558
Location: Dallas, TX
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| Posted: Sun Apr 05, 2009 3:00 pm Post subject: |
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| CoastalDefender wrote: |
| Glenn wrote: |
Never, ever user platinum plugs in a air cooled VW engine |
Burn too hot? |
They're just crap and they cause misfiring. I'm sure they work fine for other applications though.
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vintageorbust
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Joined: November 07, 2006
Posts: 217
Location: Ridgecrest, CA
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| Posted: Sun Apr 05, 2009 4:38 pm Post subject: |
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What would you recommend running in a very hot climate? A cooler plug? I hooked my bug up to the smog machine and tuned it to damn near perfect and the plugs are showing signs or running hot. How long should you run a set of plugs?
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Meredith Phillips
Silly riceboys... useless wings are for penguins!
Chicks that can work on their own cars?! Yeah I know we're hot =) |
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mnussbau
Samba Member
Joined: August 26, 2006
Posts: 4610
Location: Central Maryland
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| Posted: Sun Apr 05, 2009 4:55 pm Post subject: |
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| Glenn wrote: |
| remove the valve covers and find the casting markings and see which they use. |
So what markings would indicate which plugs?
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Mike
‘74 bug vert
Parts... |
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a.graham52
Samba Member
Joined: December 23, 2008
Posts: 417
Location: the island of missfit toys, Maine
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| Posted: Sun Apr 05, 2009 5:20 pm Post subject: |
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iv actully replaced ignition moduals on 1999+ vehicals becuase these plugs have less resistance then normal plugs and cuases the modual to fry over time. |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79369
Location: Sneaking up behind you
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| Posted: Sun Apr 05, 2009 6:28 pm Post subject: |
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| mnussbau wrote: |
| Glenn wrote: |
| remove the valve covers and find the casting markings and see which they use. |
So what markings would indicate which plugs? |
041, 042, G01, G03......
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
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Wilfredo R
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Joined: May 26, 2008
Posts: 238
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| Posted: Sun Apr 05, 2009 7:11 pm Post subject: |
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| Glenn wrote: |
Never, ever user platinum plugs in a air cooled VW engine |
What's wrong with useing platinum spark plugs? I use them and lately have had no problems |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79369
Location: Sneaking up behind you
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| Posted: Sun Apr 05, 2009 7:13 pm Post subject: |
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They're a waste of money.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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TallCity
Samba Member
Joined: January 12, 2008
Posts: 570
Location: Bust'n my knuckles
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| Posted: Sun Apr 05, 2009 7:34 pm Post subject: |
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I had read some where that the Bosch Platinum +4 were designed as a spark plug for turbo cars (H20 cooled). The four prong is to make sure that at least one electrode makes a spark. True..Untrue.. I don't know but they do cost a lot more money.
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Semper Fi
Money does not buy you COMMON SENSE but it does buy you a better COFFIN.
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a.graham52
Samba Member
Joined: December 23, 2008
Posts: 417
Location: the island of missfit toys, Maine
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| Posted: Sun Apr 05, 2009 7:41 pm Post subject: |
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| TallCity wrote: |
| I had read some where that the Bosch Platinum +4 were designed as a spark plug for turbo cars (H20 cooled). The four prong is to make sure that at least one electrode makes a spark. True..Untrue.. I don't know but they do cost a lot more money. |
i dont know about the turbo part but my ASEP teacher said the same about the electrodes. pretty-much the four electrodes just give the smark its choice on how to get back to ground. in theory its great and i have noticed that my 95 golf liked them... i dont recommend them on dizzyless systems. |
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Wilfredo R
Samba Member
Joined: May 26, 2008
Posts: 238
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| Posted: Mon Apr 06, 2009 4:52 am Post subject: |
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| Glenn wrote: |
| They're a waste of money. |
So they don't last longer than super like any other car? Cause on my fox, they last longer than supers. So i'm guessing thats why at my local volkswagen shops, they only sell Bosch super and NGK spark plugs... |
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26515
Location: Douglas, WY
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| Posted: Mon Apr 06, 2009 5:33 am Post subject: |
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Well, I won't use Platinums even on watercooled cars. I've used Bosch series 3-terminal copper plugs on my Golf for years, those the highest milage copper plugs I think you can get. Silver-core plugs were used on later watercooled VW models for high-milage spec plugs too. I'd rather use either of those than Platinums.
However, you can't them in standard reach plugs for aircooled engines.
I think the jury is still out as to how well the new WR8AC+ plugs that Bosch makes now work out for longevity. W8ACs though, I've never had problems with them, even at very high milage. |
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