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Registered
Join Date: Apr 2005
Location: Foat Wuth
Posts: 408
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Spark Plugs - Which?
1980 911SC 3.0
The rebuild result will be: 3.2 10.5:1 Mahle p&c's 964 cam Clewett's Electromotive TEC-3r distributer-less ignition system EFI thru a 1984 Carrera intake manifold Dual Spark Plugs SSI's It's been recommended to me to use 'Any # 5 heat level' Spark Plugs... I'm inclined to use NGK over Bosch plugs, and not platinums Questions - assuming NGK's - and considering that the lower the 'heat level' number the hotter the plug: > Are 5's too hot for this engine? Note that NGK's website product selector results in: 1980 911 3.0 = BP7ES 1984 911 Carrera 3.2 H6 FI = BPR6ES And, the Pelican site has: 911SC 1978-79 = BPR5ES 911 1980-83 = BP7ES 911 Carrera 1984-89 = BPR6ES I'm so confused.... Advice? Experience? Thanks very much Jim
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1980 911SC - 2nd Rebuild in Process - 2005 Porsche Cayenne Turbo - 2013 VW R ________________________ 2000 BMW X5 - 1996 BMW 530i - Toy 4 Runner (x2 or 3) - 1987 Toy Supra - 1988 Honda Si - 1984 El Camino Super Sport - MGA - MGB - Fiat 124 Spyder - Fiat 128 Wagon - 1962 Karmann Ghia - 1951 VW - 1953 Willys Jeepster w/Chevy 286 - 1995 Volvo 960 - 2006 VW GTI |
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09-13-2005, 05:52 AM
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Registered
Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,002
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I use BPR6ES in my single plug 3.2 with 964 cams. The NGK number system is backwards (opposite) to the Bosch one.
Jeff
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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09-13-2005, 12:16 PM
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