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Old 12-08-2010, 05:20 PM   #17
Shaky
Six in a row makes it go...
 
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Join Date: Mar 2009
Location: Vacationland: Maine
Posts: 1,346
Re: Keeping my I6 250...what to do?

Quote:
Originally Posted by dash13 View Post
If it's a '67 250 I usually update to the '68-'72 monojet.

You might want to pop a side cover, pull a lifter and look at the cam lobe. If it looks worn it's not too hard to put a new cam in and it will really wake it back up...
Tell me more...... [/QUOTE]

Well, '68 was when the redesigned monojet was introduced. I've found it easier to work on and it performs well. It's a direct bolt-on so I did that to my '67.

I had a '70 Bel Air with a 250 that was not well maintained. It ran, but didn't have a lot of power. I popped a lifter out and looked at the cam lobe. It was worn way down.

For not much money I got a stock replacement cam from JC Whitney and popped it in. Now the valves opened all the way . Made a noticeable difference in power.
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67 C20 long step resto: http://67-72chevytrucks.com/vboard/s...d.php?t=342086
66 C10 long step build: http://67-72chevytrucks.com/vboard/s...=1#post3814790
CT to Alaska in a 67 C10: http://67-72chevytrucks.com/vboard/s...d.php?t=399224
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