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Author: Subject: Cleaning an engine block
joneh

posted on 6/1/18 at 08:46 PM Reply With Quote
Cleaning an engine block

Got some garage time today so managed to get the engine out and the head and ancillaries all off.

It's pretty minging both inside and out with waterways blocked and oilways gunked. What's the best way to clean? Fairy liquid, wire brushes and pipe cleaners?

Just a bit concerned that anything acidic may damage the bored if dipped.

Jon

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coyoteboy

posted on 6/1/18 at 08:49 PM Reply With Quote
I spent a whole day cleaning mine with gunk red, gunk green and a couple of other alkali grease solvents. Took ages, covered me in minor chemical burns and was still mucky. If you can, drop it in to a place with a hot dip bath. Internal cleansing wasnt needed on mine, toyota's finest was clean as a whistle at 130K miles.





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jossey

posted on 6/1/18 at 09:09 PM Reply With Quote
I took it to a engine builders and they chemical cleaned it for 20
Actually in end he skimmed it and sprayed it and cleaned it for 70 in end.





Thanks



David Johnson

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joneh

posted on 6/1/18 at 09:35 PM Reply With Quote
Sounds like a better plan. Will make some calls. Ta.
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nick205

posted on 8/1/18 at 08:54 AM Reply With Quote
I rebuilt a grimy 2.0 Pinto for my MK Indy. I stripped the engine down, but entrusted the cleaning of parts to a local engine builder. They dipped the block to remove internal and external gunk from it. It came back in rather good form and from memory the cleaning cost less then 50 to have it done. When you balance that against the cost and muck involved in doing it yourself it was a no brainer to have it done by them.
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pewe

posted on 8/1/18 at 09:57 AM Reply With Quote
For ali bits try using a toilet cleaner like Harpic Power Plus.
Usual caveats apply.
HTH.
Cheers, Pewe10

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Irony

posted on 8/1/18 at 10:44 AM Reply With Quote
I did my cylinder heads in my parts washer. Or as her indoors calls it, 'the dishwasher'. It makes your plates smell like diesel for a few washes though.

Stuff rusts dead quick afterwards though

[Edited on 8/1/18 by Irony]

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gaz_gaz

posted on 8/1/18 at 11:05 AM Reply With Quote
I done my S2000 engine, Used Autoglym engine cleaner which worked miracles at removing grease and crud that gunk wouldn't touch. I then spent a couple of evening with some cheap wire brush drill attachments, Finished off with 3 coats of engine enamel and it now looks brand new!

It was messy and If I had the engine stripped I'd have sent it off to be vapour blasted . A mate had this done and the block looked new!

[Edited on 8/1/18 by gaz_gaz]

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joneh

posted on 8/1/18 at 01:03 PM Reply With Quote
Thanks for the replies, my local engine builder said he's happy to bung it through his tank for a tenner

Jon

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nick205

posted on 8/1/18 at 05:13 PM Reply With Quote
quote:
Originally posted by joneh
Thanks for the replies, my local engine builder said he's happy to bung it through his tank for a tenner

Jon



Spot on, cheap and zero mess for you to clear up afterwards!

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