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Old 03-28-2004, 02:09 PM
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Help...Stuck Cam

OK, the continuing saga...

Wiped the cam lobe off #5 intake on the 406.

Today:

Pulled off the front of the engine (water pump, radiator, pullies, etc).
Removed the distributor, pushrods and lifters.
Opened up the two-piece timing cover.
Removed the timing chain.
Bolted on an old timing gear to remove the cam.

The cam came forward about 1 1/2" and stopped. Jiggled, turned...took a break...jiggled, turned. No go. Turned the engine a little. Jiggled, turned. No go.

Has anybody got any suggestions? Could the cam lobe be so distorted that it would won't pass through the bearings?

I'm beginning to think this engine is jinxed. I've used all my four-letter words and most of the five-letter words.

Help.

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Old 03-28-2004, 02:12 PM
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Remove your fuel pump and the fuel pump rod, then it should slide right out.

Hope that helps.

406chevelle
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Old 03-28-2004, 02:13 PM
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Did you remove the fuel pump and fuel pump pushrod?
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Old 03-28-2004, 02:15 PM
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Maybe I should remove the fuel pump and rod! What do you think?

A big thanks guys!!
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Old 03-28-2004, 02:16 PM
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lol, how could you have even moved it much with the fuel pump still on the side?
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Old 03-28-2004, 02:26 PM
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Lots of people make the same mistake, same thing was posted a few weeks ago, it is very cool that MI2600 could jump on here and get some help.....with NO harassment.

MI2600 hope you enjoy moving on toward the next learning experience (nice way to say mistake, LOL).

406chevelle
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Old 03-28-2004, 02:31 PM
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don't worry about it. the last thing im thinking of when pulling a cam is the fuel pump.
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Old 03-28-2004, 02:33 PM
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Quiet Genius at Work!

Guess what? The cam came out!

I think I've attached a pic of the lobe in question. It's only about 1/4" + or - short.
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Old 03-28-2004, 02:36 PM
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So it was the fuel pump keeping it in? How did ya miss it?

And I think ya killed it Are ya going to re-use your old lifters, or buy new ones?
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Old 03-28-2004, 02:45 PM
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Hey MI2600.

Sorry to see that picture! That stinks! One suggestion, make sure you ck the engine over real good for metal. If the filter plugged and bypassed, the metal in the oil will go everywhere! You may want to ck a few mains and rod bearings for scratching. If there is any, you'll need to do a complete tear down and clean and replace anything damaged.

As far as missing the pump rod goes, don't feel bad. My first "biggie" was in my early years as a wrench. I was trying to replace the water pump on a Pontiac at the station I worked at. Problem was I didn't know that the pump came off seperate from the timing cover. I was prying and grunting with a big tire iron behind the timing cover when the owner of the car came up and asked why I was trying to break off the timing cover. Needless to say, I learned that lesson real fast! LOL

Mark
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Old 03-28-2004, 02:48 PM
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thats not bad. when i pulled the cam out of my camaro i had only 1 good lobe.
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Old 03-28-2004, 02:50 PM
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I've got another new XE268 and lifters in the basement. I just want to get this thing back on the road.

For those who were always wondering:

An SBC camshaft can be removed without removing the grille on an '86 El Camino.
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Old 03-28-2004, 02:52 PM
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can't say that ive wondered but im glad to hear you had an extra cam layin around.
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Old 03-28-2004, 02:59 PM
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I forgot to say thanks to everybody for the quick responses.

I've made some dumb mistakes, but this one ranks right up there. I was just thinking back and all the camshafts I've done were on a stand. Oh well, lesson learned.

By the way, the cam is for sale...15 out of 16 lobes is pretty good! JMark's suggestion that a 3 to 1 rocker would solve the problem. PM me with offers.

Larry
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Old 03-28-2004, 05:53 PM
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It's not dumb, working with hyd. cams suck! You can always count on killing a lobe or lifter and you always have to cross your fingers at break-in. Plus anybody dareing enough to work on a chevy valvetrain deserves a medal

I think they should make hyd. roller kits alot cheaper, you almost never have this problem with roller cams.. well unless a lifter jams, or turns in its bore. So dont feel dumb.
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