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two_OH_five
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PostPosted: Wed Oct 28, 2009 1:41 am 
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Location: drinking devil fuel
Car Model: ST205
yes the bolts work fine but i'm not sure on headgasket. I know work is involved to fit the 205 head on a 185 block so assume the reverse is true
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two_OH_five
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PostPosted: Wed Oct 28, 2009 9:55 am 
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the turbo oil and water feeds are also slightly different on the 205 block. There's a water feed on the rear of the 205 which you'll need to block off
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Diceman
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PostPosted: Wed Oct 28, 2009 10:25 am 
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I thought the ST185 had a water feed on the back of the block not the ST205?

thanks to GTfours ... again! for pictures. See to RHS of the number 5
Image

I will check which way round it is tonight when I get home!

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two_OH_five
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PostPosted: Wed Oct 28, 2009 10:54 am 
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Location: drinking devil fuel
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i believe teh 185 has that odd arrangement with another feed coming off somewhere around the heater hoses

Either way it's a good gotcha
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Dorris
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PostPosted: Wed Oct 28, 2009 6:07 pm 
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Location: The Vale, South Wales
Car Model: ST185 CS/RC
Exup wrote:
I have got a st205 Gt4 block coming i hope i can put my old cylinder head on! Are the head bolts from the 205 block in the right spacing as the st 185 block?


I know the HG fits as I'm running a 205 in my CS but I don't know if there is an issue with valve clearances, may be someone else might know that answer?
Just as a matter of interest have you changed a HG at all recently? My big ends went very soon after I replaced my HG and it seams to be a trend with the 185s. I was lucky enough to catch it early so it hadn't marked up the journal, I was able to slap in a new set of shells and away I went, quite a quick job to replace the big end bearings on 185s. Might be a worth just checking the journals if it saves time and expense. Dorris

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Strontium Dog
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PostPosted: Wed Oct 28, 2009 6:30 pm 
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I'd do a leak down on the top end and if it's all good I'd grind/repace the crank. Not very expensive and you'd know the bottom end was good. You would also have a known good block as it's not cracked yet and you've just tested it too with the leakdown! :wink:
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Kris
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PostPosted: Wed Oct 28, 2009 7:54 pm 
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Car Model: ST205
Quote:
if there is an issue with valve clearances


No issues. The 185 has a 1mm gasket, the 205 a steel 1.2mm gasket (as standard).

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Dorris
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PostPosted: Wed Oct 28, 2009 11:54 pm 
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Wasn't sure if the lift was any different on the 205 from the 185 that's all, aren't the piston crowns different between the two? Dorris

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