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#1 madtoranajzedded

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Posted 09 May 2018 - 07:55 PM

Hi guys.whats the original sparkplug # that my lc 69 S
bigblock 138 would of had .ive seemed to have misplaced
the ones that were in her..the reason i ask is that a
dude has a set and has mentioned part # 42XLS..

is this correct..

Cheers maz

#2 crabba67

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Posted 09 May 2018 - 09:02 PM

This one cheers

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#3 S pack

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Posted 09 May 2018 - 09:51 PM

C44NS or C43N for a 1969 2250 engine.



#4 madtoranajzedded

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Posted 09 May 2018 - 10:04 PM

I gather difference is one's high comp and other
low comp Dave..

The one Anthony put up is xu-1 yeah??

#5 S pack

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Posted 09 May 2018 - 10:13 PM

Different heat range plugs. C44NS is the std plug and C43N is the optional plug.

44T suits 2250 & 2850 engine since HQ introduction. Small plug cylinder head with non adjustable rockers.



#6 crabba67

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Posted 09 May 2018 - 10:38 PM

I gather difference is one's high comp and other
low comp Dave..

The one Anthony put up is xu-1 yeah??

Jason i thought you were talking LJ 2250 and 2850 which also used T43



#7 madtoranajzedded

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Posted 09 May 2018 - 11:13 PM

Nar.the lc bigblock Anthony...honest mistake




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