Assemble engine for storage or leave apart? - Chevelle Tech
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post #1 of 8 (permalink) Old Feb 11th, 19, 6:03 PM Thread Starter
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Assemble engine for storage or leave apart?

So long story short...the plan for the Big block ran into being too expensive, so the option was to do a quick rebuild on a SBC I had laying around and get it going. Plans changed, BBC is back on priority, however, I have this SBC apart, fresh from machine shop, ready to clean and assemble it. Question is, do I lube the heck outta it, assemble it, and then seal it up and bag it when it's done, or lube and bag everything now and leave it disassembled and shelf it until I might want to use it. I have no foreseeable plans to use it in anything, but you just never know when that might change. The engine isn't anything special, however, I do want to keep it as it's kinda sentimental from my old circle track days... Any advice from others that have had an extra engine without a plan? Thanks.
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post #2 of 8 (permalink) Old Feb 11th, 19, 7:21 PM
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Re: Assemble engine for storage or leave apart?

I'd assemble it. Just keep the valves backed off and seal up any openings and bag the whole thing.
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post #3 of 8 (permalink) Old Feb 11th, 19, 8:04 PM
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Re: Assemble engine for storage or leave apart?

I use spray grease on all machined surfaces, then bag it up. The stuff I have washes off pretty easily with paint thinner (I use it in a pump-up hand sprayer). Take it to the machinist prior to assembly for a final wash and we're good to go. Pistons, rods and crank should be fine boxed but I'd still put something on the crank journals. I want to know when I fire one up that all the different kinds of assembly goo are still in the correct spots and havent gotten too warm, thinned and aren't exactly where I want 'em.

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post #4 of 8 (permalink) Old Feb 11th, 19, 9:18 PM
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Re: Assemble engine for storage or leave apart?

I would wait until I was ready to use it to put it together myself, then all lubrication will be fresh.

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post #5 of 8 (permalink) Old Feb 11th, 19, 10:38 PM Thread Starter
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Thanks for the replies. I normally use Lubriplate during assembly. Kinda leaning towards assembling it so I can keep it all together parts wise...how long will a crate motor sit on a shelf at a gm dealership or at Blueprint, Summit, or Jegs without any issues I wonder.
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post #6 of 8 (permalink) Old Feb 11th, 19, 10:39 PM
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Re: Assemble engine for storage or leave apart?

I would leave it in pieces. I have seen too many engines over the years that people have put together and never used and they almost always have rusted internal surfaces no matter how they treated them.

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post #7 of 8 (permalink) Old Feb 12th, 19, 11:13 AM
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Re: Assemble engine for storage or leave apart?

I would say assemble as much as you can. If you have everything, I would leave the pushrods out. I just posted my results of my L88 shortblock. That motor was assembled in 1995 and last turn a starter in 1996. It sat as just the shortblock, no heads. I would prime it with a drill and move the pistons about 2 inches say every 6 or 7 months. It would sit on the stand and would rotate the block so the cylinders are somewhat flat. I put penetrating oil in and let sit 2 days. Did both sides this way. The motor only had about 1000 miles and a few passes on it. But in 2018 it looked like it just came from the machine shop. Perfect. John just deglased the cylinders and used to old rings and bearings even. And if you happen to bump it you are not going to damage anything like a crank journal. Some of our sprint car stuff sits for 2 or 3 years and then back to racing.

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post #8 of 8 (permalink) Old Feb 12th, 19, 11:28 AM
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Re: Assemble engine for storage or leave apart?

Quote:
Originally Posted by BillK View Post
I would leave it in pieces. I have seen too many engines over the years that people have put together and never used and they almost always have rusted internal surfaces no matter how they treated them.
This ^^^^^^^^^^^^^

Your needs may also change in the future and you may want to build a different combo.
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