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Author Topic: spark plugs  (Read 2708 times)
sebastien
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« on: May 02, 2006, 07:51:02 PM »

What type of spark plugs do you recommend for a '68 327 slightly modified ?ac delco r45s ok?
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Sebastien 68  327 rag top
lakeholme
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« Reply #1 on: May 02, 2006, 10:51:05 PM »

AC45 & 45S were originally for 283 & 307 ( 2BC) in 68.
AC44 was originally for Camaro with 4BC (except 396).
AC44S (extended shield) was for 327 & 350 in Camaro (and Chevelle)
« Last Edit: May 03, 2006, 10:10:18 AM by lakeholme » Logged

Phillip
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JohnZ
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« Reply #2 on: May 03, 2006, 10:27:49 AM »

I run AC R45S plugs in all my small-blocks, with and without factory domed pistons; good all-around plug for normal driving, no fouling in my '69 Z/28, which would foul 44's occasionally around town. Autolite 86's also work well for the same normal operation.
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'69 Z/28
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sebastien
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« Reply #3 on: May 03, 2006, 03:24:36 PM »

Thanks for the info guys.
I forgot to ask;.035 for gaping?
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Sebastien 68  327 rag top
JohnZ
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« Reply #4 on: May 04, 2006, 01:18:40 PM »

Yup, .035" gap.
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'69 Z/28
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sebastien
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« Reply #5 on: May 04, 2006, 06:37:27 PM »

thank you kindly!
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Sebastien 68  327 rag top
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