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View 66GMC's profile Entries: 79
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08-15-2013 10:47 AM Cab Removal
I had borrowed an engine picker in order to pull the engine and take it back to the machine shop, but the machinist is away until September. (The joys of dealing with a rural ''Mom and Pop'' small business)

My buddy had a look at my engine mounts when he dropped off the picker, and said that perhaps we could cure both the firewall and floorboard problems by just mounting the engine and trans a couple of inches lower. I think he may be right... there's a lot of clearance between the oil pan and cross-member.

Now that I have removed the cab again, I can also see that the trans yoke is a couple of inches higher than the driveshaft center bearing. It's amazing what a fresh perspective can do.


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  [Entry #79]

06-26-2013 04:31 PM Intake Re-Install
My ex-boss had a look at the cam and lifters and gave me the "thumbs-up", which was quite a relief.

I dropped the "old" oil and filter, then gave the cam and lifters a bath in Lucas oil stabilizer (as a bit of insurance), before setting the intake back in place.

Before installing the valve covers, I flooded the rocker arms as well as the oil return holes in the cylinder heads with a quart of 10w30 per side.

After installing the valve covers and plug wires, I added a container of Comp's break-in lube plus 5 more quarts of 10w30 (it's an 8 qt oil pan)


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  [Entry #78]

06-26-2013 04:30 PM Intake Re-Install



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  [Entry #77]

06-22-2013 06:59 AM Bypass hose
I found a MUCH better fix for my by-pass hose. I had been using the stock bypass hose for a 1979 C20 with a 454, but it didn't work real well with the Air Gap intake. I had to cut it up a bit, and then use a uni-coil to prevent it from kinking. Not real elegant, I thought.

So during the current round of ''Intake Removal'', I thought I'd try a different approach.
NAPA Temp Control (Everco) #H4878 is a 1/2'' MPT x 3/4'' hose nipple with a built-in 45. At first glance, I thought it might be too long, but it turned out to be darn near perfect!

Just add a short peice of 3/4'' silicone heater hose, and we're good to go!


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  [Entry #76]

06-17-2013 07:31 PM Cam Lobes
OK, call me paranoid.
This is my NEW cam.
The original cam was scrubbed due to improper break-in.

The dissimilar wear, and even the fact that there IS any visible wear pattern on a cam with only a few hours on it ... quite frankly SCARES me!

The pics below are in the correct order, from the front of the engine to the back.
Should I be concerned?


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  [Entry #75]

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