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Old 01-02-2012, 12:06 PM   #1
jaidedeye
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Default Who rebuilds their own engines? (at home garage)

going to freshen up my motor...it isnt blown or anything, im just going to strip the block, hone the cylinders, new bearings, new rings, new freeze plugs, new oil pump, gaskets etc....who else does this? any advice?

ive rebuilt motors before but just seeing how many of you guys do and if you have any tips or tricks

thanks
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Old 01-02-2012, 12:17 PM   #2
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Default Re: Who rebuilds their own engines? (at home garage)

i do. once its stripped i soak it with mean green and pressure wash it. then use air to blow it dry and go through all the galleys and threads.
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Old 01-02-2012, 12:38 PM   #3
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Default Re: Who rebuilds their own engines? (at home garage)

I do. Always had problems after other guys build my stuff. Lots of cleaning and check everything!
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Old 01-02-2012, 12:42 PM   #4
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Default Re: Who rebuilds their own engines? (at home garage)

Id take it to a performance shop, let them hone it. That is a very important step in building a good running engine. Clean, clean, and clean. Also keep a close eye on clearences!
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Old 01-02-2012, 01:39 PM   #5
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Default Re: Who rebuilds their own engines? (at home garage)

thanks guys...once i get the heads pulled and pistons removed im going to get a really good look at the cylinders. if i can hone them without any high or low spots in the cylinders i will just run with it..if there are variances in the walls it will go to the machine shop. im going to pull all the galley plugs, freeze plugs etc and really clean the block out
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Old 01-02-2012, 01:51 PM   #6
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Default Re: Who rebuilds their own engines? (at home garage)

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Originally Posted by jaidedeye View Post
thanks guys...once i get the heads pulled and pistons removed im going to get a really good look at the cylinders. if i can hone them without any high or low spots in the cylinders i will just run with it..if there are variances in the walls it will go to the machine shop. im going to pull all the galley plugs, freeze plugs etc and really clean the block out
That's what I do when freshening up. LOL, last time I freshened up a SBC that had cracked the compression rings in 3 cylinders, I found those 3 cylinders with severe out-of-round conditions, but it was July 4th weekend and I wanted to get the car back together. Of course those 3 cylinders broke the rings again within about 60 passes. Presumably you have a decent dial bore gauge and micrometers? I figure mine have paid for themselves MANY times over by doing my own clearance checking and assembly.
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Old 01-02-2012, 01:58 PM   #7
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Default Re: Who rebuilds their own engines? (at home garage)

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Id take it to a performance shop, let them hone it. That is a very important step in building a good running engine. Clean, clean, and clean. Also keep a close eye on clearences!
x2 !!!!!!!!!!

I let the machine shop do the hone and cam bearings. Do the rest myself.
As said before, lots of cleaning. A steam cleaner is my choice for final cleaning the block. Get it hot as you can, then blow dry with air.
What moisture you cant get with an air blower, will evaporate from the heat.
I also use alot of soap with the steam cleaner, this seems to cut down on the surface rust till you can get it coated & painted.
Also, the best thing Ive found to put on metal surfaces that you dont want painted and also dont want to rust is "3in1" machine oil.
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Old 01-02-2012, 02:18 PM   #8
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Default Re: Who rebuilds their own engines? (at home garage)

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That's what I do when freshening up. LOL, last time I freshened up a SBC that had cracked the compression rings in 3 cylinders, I found those 3 cylinders with severe out-of-round conditions, but it was July 4th weekend and I wanted to get the car back together. Of course those 3 cylinders broke the rings again within about 60 passes. Presumably you have a decent dial bore gauge and micrometers? I figure mine have paid for themselves MANY times over by doing my own clearance checking and assembly.
yep, sure do...they are worth their weight in gold
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Old 01-02-2012, 05:28 PM   #9
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Default Re: Who rebuilds their own engines? (at home garage)

Another thing to remember is to make sure your assembly tools are clean, inside of sockets especially.

I have a separate set that I only use for engine assembly.
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Old 01-02-2012, 06:04 PM   #10
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Default Re: Who rebuilds their own engines? (at home garage)

I could never trust anyone else to do mine...........
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Old 01-02-2012, 06:06 PM   #11
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Default Re: Who rebuilds their own engines? (at home garage)

I don't do the major machine work or valve job, but everything else I do myself. Cam bearings, checking clearances, file fitting rings, etc.....For me it was cheaper to buy the tools to do things right than to continue to pay a machine shop. Nice thing is, if I have to tear down for repair, and no machine work is needed, I can have it back together as long as I have parts. Besides, it's my "me" time and very enjoyable for me. I love doing it.
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Old 01-02-2012, 06:43 PM   #12
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Default Re: Who rebuilds their own engines? (at home garage)

tore the motor down to the bare block.....cylinders look great...still slight crosshatching and cylinders measured out round...just gonna lightly hone them...cam bearings look brand new still but the crank and rod bearings show some wear..a few into the copper..crank looks really good. just a light polish on it and i will be good...all journals spec'ed out good and my clearances are still within spec for the .001 oversize bearings im picking up..good news
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Old 01-02-2012, 07:06 PM   #13
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Default Re: Who rebuilds their own engines? (at home garage)

I would check the journals for out of roundness, If theres any at all I would have the crank ground to the next under size. I'm not a big fan of running .001 undersize brgns on a polished standard crank. JMO! You have to buy brgns anyway and a crank grind aint that expensive.
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Old 01-02-2012, 07:06 PM   #14
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Default Re: Who rebuilds their own engines? (at home garage)

What motor? Any pics?
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Old 01-02-2012, 07:18 PM   #15
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Default Re: Who rebuilds their own engines? (at home garage)

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What motor? Any pics?
stock block 302..

here is whats left..lol

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