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Polishing the engine block

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Old Aug 29, 2005 | 04:42 PM
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Default Polishing the engine block

How does one polish an engine block? I like the look of this one:

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Is this something I could learn on the fly, or would it just be better to find a machine shop to do it for me?

Thank you for your help! I appreciate it!
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Old Aug 29, 2005 | 04:45 PM
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Do you have an ls1/6 or alum block? Not gonna work with an iron block.
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Old Aug 29, 2005 | 04:50 PM
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what he said....but you could have it powdercoated in a near chrome like coating, it's expensive though (with all the masking and plugging that has to be doine), just make sure that if you do it that they either preheat the block so it outgasses or use UV or IR to cure the powder...just throwing in an idea here.
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Old Aug 29, 2005 | 04:59 PM
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Default Ls2

I'm looking to get an LS2 and polish that.
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Old Aug 29, 2005 | 05:06 PM
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they have a chromeillusion paint that looks just like chrome...not sure on temp ratings though....
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Old Aug 29, 2005 | 05:13 PM
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that is (street and performance) shop

be sure to click on the next button to see more
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Old Aug 29, 2005 | 05:22 PM
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Default I assumed it was shop...

hotrodlane.com quotes $1,500 to polish just the block. Is this reasonable? Is it that much work?

Dave
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Old Aug 29, 2005 | 05:31 PM
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You can barely see the block in a C3....
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Old Aug 29, 2005 | 05:51 PM
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think of how much work it is to polish a flat piece of metal. on an engine you're working on all kinds of tight areas.
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Old Aug 29, 2005 | 06:07 PM
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Not to mention how hard it would be to keep all that clean. It almost looks like alot of that was chrome plated.

KC
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Old Aug 29, 2005 | 06:53 PM
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just powdercoat it and call it a day....... with the powder coat, the dirt/grease will come off... the polished block might have a high amount of matenience involved.

b
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Old Aug 29, 2005 | 07:33 PM
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You can polish steel, its just that it rusts. You could clear coat it and hope it don't chip or flake too bad. Or you could paint the block a silverish color but it isn't shiny more like flat silver.

Aluminum isn't the end all either. If you polish and leave it plan on polishing it at least once a year. You could clear anodize it but have no idea what that would cost to do. This is a do it your self item but doing something as large as a block is wayyyy over board on the amount of acid and plate that would be needed.
You could clear aluminum too. I Kandied my polished aluminum on my boat stuff.

As mentioned its hard to see much of the block, but I don't see why just those areas couldn't be polished and the rest painted.
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Old Aug 29, 2005 | 07:37 PM
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The chrome will probally blue
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Old Aug 29, 2005 | 08:01 PM
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Originally Posted by hill3335lilo
hotrodlane.com quotes $1,500 to polish just the block. Is this reasonable? Is it that much work?

Dave

Thats a waste of money
unless you have a super show car for the riddler
and its never gonna get driven or started
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Old Aug 29, 2005 | 08:04 PM
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if you have to have a polished block do it yourself. it is just going to take time. BUT polishing is filthy. you are gonna have black junk all over your shop. then you are going to have to KEEP it polished. that is going to be about impossible near as i can see.
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Old Aug 29, 2005 | 09:14 PM
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Default Thanks Guys...

Although it looks awesome polished, it seems like it won't be the way to go, for the many reasons you have mentioned (including that I plan to drive my car).

Thanks again!

Dave
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Old Aug 30, 2005 | 08:57 AM
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I have a polished intake and talk about a GIANT pain in the **** to keep looking good! The carb, coil, ignition shields all need to come off to do a proper job. This was on the car when I purchased it and its one of those BS Power Plus Rice Produced Cheap American Knock Off Intakes, although it looks nice when its polished Im seriously thinking of replacing it with an American Made Edelbrock!
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Old Aug 30, 2005 | 10:30 AM
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The son-in-law just had the engine done in their '78; the car has LOTs of chrome underneath and in the engine bay; they had the block painted a "Pontiac Light Blue" and it really goes well with chrome.
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Old Aug 30, 2005 | 12:40 PM
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Grinding smooth and painting a engine block has always been a plus in the show car circuit. It has become manditiory for a Riddler canidate and is rubbing off into other lower classes.
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Old Aug 30, 2005 | 12:47 PM
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Default Painting vs Polishing work required

How expensive/how much work is required then to grind and paint an engine block? I assume that, since this is painting, I would want a professional to do it...

Thanks again for all of your help!

Dave
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