540 BBC-what spark plugs
#12
#14
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3924 should be fine with your build and heads NA. If a doubt use the 23 but don’t believe you’ll need to. Won’t hurt anything during break in with fluctuating rpms to help cool the cylinders. I’d just ck the plug on the hotter cylinder periodically. Likely #8 or refer to dyno sheet if you did so.
#15
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#16
3924 should be fine with your build and heads NA. If a doubt use the 23 but don’t believe you’ll need to. Won’t hurt anything during break in with fluctuating rpms to help cool the cylinders. I’d just ck the plug on the hotter cylinder periodically. Likely #8 or refer to dyno sheet if you did so.
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H8TOLUZ (07-21-2020)
#19
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BKR7E’s. If too cold, they shouldn’t be, BKR6E’s
V-power NGK’s for the win baby.
5/8 hex
.750 reach
14mm thread
.035” gap
projected
crush washer
v groove
I use acdelco’s with iron heads(autolite with iron heads and nitrous ) and ngk v powers with aluminum. Why ? Always always worked for me. That’s why. Others experiences may vary. And probably do. Lol.
V-power NGK’s for the win baby.
5/8 hex
.750 reach
14mm thread
.035” gap
projected
crush washer
v groove
I use acdelco’s with iron heads(autolite with iron heads and nitrous ) and ngk v powers with aluminum. Why ? Always always worked for me. That’s why. Others experiences may vary. And probably do. Lol.
Last edited by SB; 07-21-2020 at 11:18 PM.
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H8TOLUZ (07-22-2020)
#20