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Author Topic: Project engines/cars  (Read 4373 times)

glenn

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Project engines/cars
« on: March 14, 2009, 00:48:57 »
Re: Engine rebuilds, etc.
Correct me, if i'm wrong, but isn't having 5 or 6 project engines/cars 'Normal'? (See Cees.) If you don't, consider yourself deprived and underfulfilled.  If more, certain people in America were fortunate enough to have this condition, it would be a better country. Anybody have a spare '67 250SL  piston?
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JimVillers

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Re: Project engines/cars
« Reply #1 on: March 14, 2009, 01:09:50 »
Glen .... I agree, extra engines are good.  I have three spares for my 190SL and am curently rebuilding one that I'll swap into the car this spring.  I would have a spare for my 230SL is I came upon one cheap.  Keep your eys open, cars are junked every day and a sedan engine can become an excellent spare.
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Jim Villers
190SL, 230SL 5-Speed, MGB 5-Speed, MGB GT V8 RHD (real MG), 2016 SLK

Benz Dr.

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Re: Project engines/cars
« Reply #2 on: March 14, 2009, 04:03:11 »
Quote from: glenn on March 14, 2009, 00:48:57
Re: Engine rebuilds, etc.
Correct me, if i'm wrong, but isn't having 5 or 6 project engines/cars 'Normal'? (See Cees.) If you don't, consider yourself deprived and underfulfilled.  If more, certain people in America were fortunate enough to have this condition, it would be a better country. Anybody have a spare '67 250SL  piston?

Uh.... what size piston are you looking for? Standard, .5mm or 1 mm over?
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn

1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1988 560SEC

glenn

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Re: Project engines/cars
« Reply #3 on: March 14, 2009, 11:34:13 »
Doc, Piston comment was kinda 'tongue in cheek'.  But, I have 12 stuck in their cylinders.  6 still have the head on with one showing anti freeze in the plug hole.  The other block shows #1 piston with a valve imprint(intake if I remember correctly) and maybe a crack.  The other 5 seem whole, but stuck also.  Both blocks are in 'soak' therapy.
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Shvegel

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Re: Project engines/cars
« Reply #4 on: March 16, 2009, 20:12:03 »
Hi,
Don't feel bad if you can't free up the pistons. My car sat in a heated garage for 28 years and due to some reaction of the aluminum pistons they literally grew or corroded themselves into the cylinders. I ended up beating them apart to get them out and was able to hone the bores without having to oversize them(it's a 280 and I wanted to keep the cylinder walls as thick as possible) I was unable to source new stock pistons without resorting to Mercedes prices but was able to acquire a used set of nice stock bore pistons for the sum of $5 apiece from Joe Alexander.

The big thing is to avoid damaging the connecting rods when you are beating out the pistons. I think I used a long piece of rod on the wrist pin boss of the pistons and a BIG hammer to finally get them out.
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glenn

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Re: Project engines/cars
« Reply #5 on: March 19, 2009, 14:51:12 »
My current'solution' is to fill the block with water, heat it with a dip stick heater to 200, then put dry ice atop the pistons with cardboard on the cylinder walls.  Hopefully a 300 degree temp difference will free up something???  Then a tap with hammer on a 2x2 on the piston------
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