The difference between an 840 and a 291 head is?

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The difference between an 840 and a 291 head is?

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02-15-2006, 04:34 PM

WILMASBOYL78 WILMASBOYL78 is offline

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Re: The difference between an 840 and a 291 head is?

There is a temp sending hole on the drivers side head. I have looked at a lot of these heads and think they all had the 1.88 valves..but then again???? Perhaps other techy folks can offer some input.

wilma

ps. what size spark plugs do your heads have??

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