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> Spark plug choice
Trekkor
post Sep 28 2006, 09:46 PM
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I have been using NGK B8ES plugs in my SIX.
Seems to be nothing but great performance.

Is there a better plug?
I pulled one out today and it was dark tan/gray.

What does the NGK code mean, anyway?


thanks


KT
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Joe Ricard
post Sep 28 2006, 09:48 PM
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I think mine are B7ES
I think the 7 is heat range and S is for Suppresion.
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Aaron Cox
post Sep 28 2006, 09:50 PM
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NGK's rock!

you have a cdi box.. you can go to a colder plug if it doesnt foul (8 is up there tho)

NGK website lists what the codes mean...

the number (8) is opposite to bosch....

i thibk NGK states a b6ES for a 914/4 .. and i went to a colder plug 5 or 7.... cant remember probably 7
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Trekkor
post Sep 28 2006, 09:54 PM
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Yeah, I think I'm running a .045 gap, too.



KT
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Joe Ricard
post Sep 28 2006, 10:00 PM
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.050 gap with a Hyfire box and Mallory Pro E coil. and Magnacore wires.
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brant
post Sep 28 2006, 10:12 PM
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there are some really sweet racing plugs out there if you build that new high compression engine....

but they get kinda pricey though
the one's I'm coveting right now are $$$$, but provide actual clearance and actual dyno hp.....

brant
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Joe Ricard
post Sep 28 2006, 10:17 PM
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Ain't ya going to share?
show me the numbers
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Aaron Cox
post Sep 28 2006, 10:25 PM
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QUOTE(Joe Ricard @ Sep 28 2006, 09:00 PM) *

.050 gap with a Hyfire box and Mallory Pro E coil. and Magnacore wires.


50 here also with the big coil....


trekk you have a CDI coil right? not a bosch blue....
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Trekkor
post Sep 28 2006, 10:41 PM
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QUOTE
bosch blue....



I have that.


KT
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Aaron Cox
post Sep 28 2006, 10:44 PM
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QUOTE(trekkor @ Sep 28 2006, 09:41 PM) *

QUOTE
bosch blue....



I have that.


KT


you arent maximizing your ignition potential......
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Cap'n Krusty
post Sep 28 2006, 10:47 PM
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B8ES is a REALLY cold plug. Like what you'd run in a 2.4 911S with MFI if you only drove it on the highway. The Cap'n
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Aaron Cox
post Sep 28 2006, 10:51 PM
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QUOTE(Cap'n Krusty @ Sep 28 2006, 09:47 PM) *

B8ES is a REALLY cold plug. Like what you'd run in a 2.4 911S with MFI if you only drove it on the highway. The Cap'n


or if you have a monster CDI box and coil....
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Trekkor
post Sep 28 2006, 10:54 PM
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I'm open to suggestions.


KT
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Aaron Cox
post Sep 28 2006, 10:55 PM
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QUOTE(trekkor @ Sep 28 2006, 09:54 PM) *

I'm open to suggestions.


KT


on plugs or CDI coils?
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Trekkor
post Sep 28 2006, 11:14 PM
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Yes...
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bd1308
post Sep 28 2006, 11:17 PM
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Bosch Supers.
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Aaron Cox
post Sep 28 2006, 11:20 PM
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MSD box reccomends an MSD high output low impedance CDI coil...
Mallory Hyfire box reccomends the same...

you will like the small packaging of a mallory promaster Ecoil...

the difference is in the resistance.

bosch blue coil ~ 3ohm.
CDI coil. 0.9 ish ohms....

dont exactly recall....

big difference.

your plugs are fine if they arent fouling. (cold enuff)

AA
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Trekkor
post Sep 28 2006, 11:42 PM
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I think the Blue coil was one of the acceptable coils for both the MSD and Pertronix applications.

I noticed today that the stickers on my blue coil are shriveled, as if from heat? (IMG:style_emoticons/default/confused24.gif)


KT
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bd1308
post Sep 28 2006, 11:44 PM
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coils get hot, they shouldnt explode though.
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brant
post Sep 29 2006, 08:38 AM
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QUOTE(Joe Ricard @ Sep 28 2006, 09:17 PM) *

Ain't ya going to share?
show me the numbers


No exact details or pictures to share yet.
wait till spring..

I'm rebuilding the top end (and P's/C's) in the next year or possibly 2 and will have details...
the plugs I've been researching are expensive though

brant
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