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Old 12-15-2003, 09:28 PM
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Default spark plugs

Just wondering whats the best plugs to run with about 15psi to 20psi
Old 12-15-2003, 09:56 PM
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Default Re: spark plugs (Big Josh)

You can get away with 7's, but some will suggest 8's. I think 7's should be fine, but without first hand experience, I'll let someone else fully answer the question. There shouldn't be any way you'd be in need of anything colder than 8's, though.
Old 12-15-2003, 10:04 PM
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Default Re: spark plugs (Big Josh)

ngk 3330's...just change them out kinda often(like every oil change) cause they tend to get sketchy when they are ran for awhile. but they are only like 1.25ish a plug so its no biggy.
Old 12-16-2003, 02:48 AM
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Default Re: spark plugs (gritsak)

where do you guys buy your colder plugs?
Old 12-16-2003, 03:12 AM
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Default Re: spark plugs (Big Josh)

for 15-20 psi try running ngk part number 1095 which is bcp7e-11
for higher boost run ngk part number 5820
Old 12-16-2003, 04:51 AM
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Default Re: spark plugs (accordfreak)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by accordfreak &raquo;</TD></TR><TR><TD CLASS="quote">where do you guys buy your colder plugs?</TD></TR></TABLE>

I get all my NGK's at Advance Auto Parts. If they don't have them, they can get them the next day for you. Like $1.80 a plug too.
Old 12-16-2003, 05:00 AM
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Default Re: spark plugs (ladysman)

the part numbers for the 7s are 4091. and for the 8s is 4554.
Old 12-16-2003, 08:28 AM
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I know this might sound stupid but these 7's and 8's you talk about are they ngk
Old 12-16-2003, 08:43 AM
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yes
Old 12-16-2003, 09:40 AM
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Default Re: (yellowturbo)

damn, those are some cheap plugs. The guys around here have them for 2.40 or something.
Old 12-16-2003, 11:16 AM
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thanks for the help
Old 12-16-2003, 09:05 PM
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i would run the ngk bkr7. i think it is a beeter plug for a turbo app.
Old 12-16-2003, 09:48 PM
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thanks for the info
Old 12-16-2003, 10:26 PM
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Default Re: spark plugs (ekb18c)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ekb18c &raquo;</TD></TR><TR><TD CLASS="quote">for 15-20 psi try running ngk part number 1095 which is bcp7e-11
</TD></TR></TABLE>

Just for future reference, do not get the '-11' plugs. They come with a stock gap of .044. Get the regular BCPR7ES's which come with a .032-.034 gap. They are the exact same as the -11's but the gap is different, which means less stress on the actual tip when gapping. The BCPR7ES part number is 3330.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TGARCIARACING &raquo;</TD></TR><TR><TD CLASS="quote">i would run the ngk bkr7. i think it is a beeter plug for a turbo app.</TD></TR></TABLE>

I was under the impression this was a better plug too until I compared it to the bcpr7es. If you look at the 2 side by side you will see the insulator of the BKR is actually longer which sits further inside the combustion chamber. You know what that means... it is exposed to higher combustion chambers which can lead to either pre-ignition and/or detonation.

Just a little more FYI for you guys.
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