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RichardJ · 07-28-2017, 05:00 PM

>> two vertical 3/8-18 bolt holes between Cyls 3 and 2 used for? Hangover aircleaner support?<<

Yes, but also for the AC compressor bracket. That last coil picture looks like it was taken before the AC installation. I use the bottom hole there and the two holes at the front next to the #1 plug.

07-28-2017, 05:00 PM	#40
RichardJ Registered User Join Date: Apr 2010 Location: So Cal Posts: 1,416	Re: Keeping my I6 250...what to do? >> two vertical 3/8-18 bolt holes between Cyls 3 and 2 used for? Hangover aircleaner support?<< Yes, but also for the AC compressor bracket. That last coil picture looks like it was taken before the AC installation. I use the bottom hole there and the two holes at the front next to the #1 plug. __________________ '67 GMC 2500, 292, 4spd, AC