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45 Posts Member #: 849 Member Yeovil,ZomerZet! The Land of the Cider tree! |
24th Apr, 2008 at 01:10:54pm
G'day all,
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 7265 Posts Member #: 1268 The Boom Boom speaker Police! Essex |
24th Apr, 2008 at 01:17:13pm
It's a turbo crank.
On 20th Nov, 2004 AlexF2003 said:
All turbo heads are different, sodium cooled exh valves mean a bigger stem which is easily visable under the rockers! Early turbo engines are different... The Crank is often a CAM 6232 which is the as any other 1275 (bar old stuff). But some have "turbo" cranks CAM 6581 - much harder, and longer lasting. Early blocks with WFM1024 on the back (IIRC) have different main bearing compair to other 1275s - the bottom half bearing shell is solid. After 1992 all 1275s adopted this thou and the part number moved to the front. Early blocks are commonly linered as well for some reason! Piston wise.. the majoprity I have seen are 20831s but there are some funny 4 ring low comp ones and later 20353 (IIRC). Any use? Alex In the 13's at last!.. Just |
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 7763 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
24th Apr, 2008 at 01:17:31pm
Early turbo-crank. They may be speciael. noone knows. Treat it like a regular A+ crank. On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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Forum Mod 10980 Posts Member #: 17 ***16*** SouthPark, Colorado |
24th Apr, 2008 at 01:57:03pm
Early engines (circa pre '85) didn't seem to have the 6581 crank - these ran the 6232.
On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY |
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 6549 Posts Member #: 1149 #1 Basshunter Fan Force Racing ICT Dept Manager Miglia Turbo Am frum Yokshyer tha noes! |
24th Apr, 2008 at 02:00:03pm
Didnt fenton test them or summat or am i talkin kack. 1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.
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45 Posts Member #: 849 Member Yeovil,ZomerZet! The Land of the Cider tree! |
24th Apr, 2008 at 03:17:07pm
Sounds to me like I got a good one then? Many thanks for your input, much appreiciacted! I'll be very interested if any more info comes outa the wood work.! Cheers Chaps! |
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45 Posts Member #: 849 Member Yeovil,ZomerZet! The Land of the Cider tree! |
24th Apr, 2008 at 04:27:39pm
Sounds to me like I got a good one then? Many thanks for your input, much appreiciacted! I'll be very interested if any more info comes outa the wood work.! Cheers Chaps! |
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 4625 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
24th Apr, 2008 at 09:26:13pm
The 6581 cranks do seem to be something different from the stock 6232. As Dave said, they seem to be somewhat harder wearing. My 6581 crank has now covered over 100,000 and is still std/std and in good condition, despite it spending the last 8 years in my engine.
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Forum Mod 10980 Posts Member #: 17 ***16*** SouthPark, Colorado |
24th Apr, 2008 at 09:33:52pm
Glad I'm not the only one who is still running theirs at STD/STD. On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY |
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4625 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
24th Apr, 2008 at 09:38:32pm
On 24th Apr, 2008 TurboDave said:
Glad I'm not the only one who is still running theirs at STD/STD. 
I always feel like I shouldn't admit it, but every time i check it, it still looks like new... Yeah i've certainly had my moneys worth out of mine. The whole Metro it came from only cost me £100 ! Didn't Jim have one to ? |
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7763 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
24th Apr, 2008 at 09:59:55pm
The one I removed from BIR1 was std/std as well, no idea on how long it's been in there, but that's been given some stick for sure. Also, I think the plain bearings help to reduce crank wear, as you often see the ridges in the centre main on the old type. BE wear is something else though. On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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45 Posts Member #: 849 Member Yeovil,ZomerZet! The Land of the Cider tree! |
25th Apr, 2008 at 09:41:52am
The one I have is also all std, never been ground. looks sweet to, but will be sticking a mic over it before it goes back in just to make sure. Reckon I got a bargain to, the car this engine came out of had 2mths tax on it and 4mths MOT and I paid £175 for it, well that was about 6 years or so ago now but still a bargain I reckon!
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 9317 Posts Member #: 59 First mini turbo to get in the 12's & site perv Herefordshire |
25th Apr, 2008 at 10:14:43am
On 24th Apr, 2008 TurboDave said:
Glad I'm not the only one who is still running theirs at STD/STD.
I always feel like I shouldn't admit it, but every time i check it, it still looks like new... Dont be ashamed, i am too |
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 6965 Posts Member #: 507 Fastest A Series Mini in the World leeds/wakefield. |
25th Apr, 2008 at 12:16:07pm
are these turbo cranks hardened from the factory, |
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Forum Mod 10980 Posts Member #: 17 ***16*** SouthPark, Colorado |
25th Apr, 2008 at 12:37:19pm
You need to ask Tom - he has some he's getting analysed. On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY |
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591 Posts Member #: 360 Stu from Corwall aka Mr Jazz Piano, Love_Machine, kneegrow |
30th Apr, 2008 at 08:57:51pm
Do the ding test.
Bugger off, I'm getting there. |
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 4559 Posts Member #: 786 Post Whore Bermingum |
30th Apr, 2008 at 10:36:06pm
On 30th Apr, 2008 Hedgemonkey said:
Do the ding test. If one is EN40, it has a higher ding than an EN16 and if it goes clunk, it's fucked. That's what I like about TM, always at the forefront of high technology testing 
Cheers, Gavin :) VEMs Authorised Installer / Re-seller. K head kits now available!
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Site Admin  9403 Posts Member #: 58 455bhp per ton 12 sec 1/4 mile road legal mini Sunny Bridgend, South Wales |
1st May, 2008 at 10:44:28pm
yes, I have a 6581 crank which is stil std / std. I have one with SH Enginering who is doing some tests on it. Although it's on his back shelf at the moment and it low on his priorities. I'll let you know as soon as I know something Team www.sheepspeed.com Racing
On 15th May, 2009 TurboDave said:
I think the welsh one has it right! 1st to provide running proof of turbo twinkie in a car and first to run a 1/4 in one!! Is your data backed up?? directbackup.net one extra month free for all Turbo minis members, PM me for detials |
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3 Posts Member #: 12181 Junior Member |
23rd Dec, 2021 at 10:49:00am
On the patch of my turbo engine is no cam 6581 no cam 6232 there stand cam 6924😳
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 5417 Posts Member #: 6181 Double hard bastard brookwood woking |
7th Jan, 2022 at 12:42:27am
On 23rd Dec, 2021 austriamini said:
On the patch of my turbo engine is no cam 6581 no cam 6232 there stand cam 6924😳 And engine prefix is 12hc16aa😳 Have anyone a idea what that means? Not sure about your crank mate.... But i am sure your the first person to use the search button in months 🤣🤣 I have started posting on Instagram also my name on there is turbomk1golf
On 1st Nov, 2007 Ben H said:
There is no such thing as 'insignificant weight saving', it all adds up. |
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