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Home > Help Needed / General Tech Chat > Cooper s conrods | |||||||
166 Posts Member #: 8952 Advanced Member Athens Greece |
25th Sep, 2016 at 05:33:37am
Good morning all,
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4307 Posts Member #: 1321 Post Whore Wiltshire |
25th Sep, 2016 at 07:34:53am
Specialist components for something reasonably priced, and good quality. Wouldn't bother with eBay, unless you know the source. False economy to risk it. Edited by minimole23 on 25th Sep, 2016. On 7th Oct, 2010 5haneJ said:
yeah I gave it all a good prodding |
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![]() 1030 Posts Member #: 1291 Post Whore Suffolk / Birmingham |
25th Sep, 2016 at 07:42:50am
The eBay rods all come from the same source as far as I can tell. Somone did do a weight comparison and they were heavier than SC but more than good enough for anything but an all out race motor. I will be using a set in my next engine for sure. |
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![]() 4890 Posts Member #: 1775 Post Whore Chester |
25th Sep, 2016 at 08:13:46am
Well the eBay rods from Williams come in the same box as SC's...... and have genuine arp bolts in a packet. I run a supercharger and I don't care the TB is on the wrong side.
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166 Posts Member #: 8952 Advanced Member Athens Greece |
25th Sep, 2016 at 08:51:41am
Thanks for the answers,
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![]() 6965 Posts Member #: 507 Fastest A Series Mini in the World leeds/wakefield. |
25th Sep, 2016 at 10:40:41am
i have a set of Arrow, new unused 10 years old still in the box from Arrow,
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![]() 8297 Posts Member #: 408 Turbo Love Palace Fool Aylesbury |
25th Sep, 2016 at 12:03:28pm
I know of a few sets fitted to mini se7en race engines, been going strong for a couple of seasons now and they regularly spin to 9k on track. https://www.facebook.com/pages/Fusion-Fabri..._homepage_panel
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166 Posts Member #: 8952 Advanced Member Athens Greece |
25th Sep, 2016 at 04:02:41pm
Which one are you talking about Matty, can you be more specific please.
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![]() 4890 Posts Member #: 1775 Post Whore Chester |
25th Sep, 2016 at 04:59:14pm
The Williams 6" rods without bolts are 532g I run a supercharger and I don't care the TB is on the wrong side.
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![]() 8297 Posts Member #: 408 Turbo Love Palace Fool Aylesbury |
25th Sep, 2016 at 08:47:07pm
I know a Williams set is, and the set that came out were of another make, I can't remember exactly what make they were now though, they were only removed due to a spun bearing and heat discolouration on the BE. https://www.facebook.com/pages/Fusion-Fabri..._homepage_panel
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![]() 1030 Posts Member #: 1291 Post Whore Suffolk / Birmingham |
26th Sep, 2016 at 09:38:53am
Im pretty sure they all originate from the same place. Someone was advertising on ebay not long ago to make them to your spec. (size wise at least) im pretty sure you just send off your sizes to china and they come back with your name lasered on the side but are all made in the same place out of the same stuff!
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3004 Posts Member #: 2500 Post Whore Buckinghamshire |
26th Sep, 2016 at 11:23:59am
MG Midget rods are the right big end size and pretty tough - if you can find them.
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166 Posts Member #: 8952 Advanced Member Athens Greece |
26th Sep, 2016 at 12:28:53pm
Thanks for all the answers, Slater I agree with you
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
26th Sep, 2016 at 01:07:43pm
I believe the spun bearing may be the real issues with these rods, but id expect any decent engine builder would check the bearing housing for size and roundness first. Turbodave16v linked to a thread on another forum and one mans findings highlighted the differences for your money, but it involved the possibility of a spun big end On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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166 Posts Member #: 8952 Advanced Member Athens Greece |
26th Sep, 2016 at 07:03:43pm
Do you have the link Sprocket?
Edited by giannoutsos on 26th Sep, 2016. |
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![]() 8297 Posts Member #: 408 Turbo Love Palace Fool Aylesbury |
26th Sep, 2016 at 08:36:44pm
The spun bearing on the engine I stripped, was down to 15mins of racing with no oil pressure, and 4thou clearance on the mains. 😂 you could literally rattle the crank...made good power though! (not my work).
https://www.facebook.com/pages/Fusion-Fabri..._homepage_panel
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
26th Sep, 2016 at 09:49:03pm
On 26th Sep, 2016 giannoutsos said:
Do you have the link Sprocket? Would make an interesting read. Thanks John Interestingly, most people seem to suggest that "cheap Chinese" means 'poor quality'. I'd say that has been confirmed to be true at the very least regarding the dimensional accuracy. I'd be tempted if it was for something as simple as a longer rod or a Cooper S big end for a stroked 1430 rather than a lighter rod for a balls out screamer......... Considering such a 'heavy' rod as these "cheep Chinese" in a balls out screamer, you really aught to re assess your decision making paradigm before anything else. I said it before, and I'll say it again; That is not to say these cheap Chinese rods don't work. If you have a valid justification to use such 'heavy' rods, by all means do so, but not just because it's fashionable. Measure measure measure.................. On 21st Jan, 2014 TurboDave16V said:
I was a bit bored, so looked on interwebs for maxpseeding rod info. http://www.mgexp.com/phorum/read.php?41,1826191 http://forums.mg-rover.org/showthread.php?t=406766 Both of these links contain interesting information; the MGExperience site talks about billet machined rods made in England that were embarassing quality with the BE being interpolated on a CNC instead of finish honed to size!!!! WTF!!!! The MGRover site mentions Dave Andrews (respected K-series tuner) uses the maxpseeding rods, and that initially the rods had a few little issues that made them "not as good as they could have been", but with feedback from DA, resulted in a modifed design that no-one has any reported failures on... I'd say these could be worth a sniff. The interesting (or should that be blatantly obvious) thing is that all ebay, SC, and "others" rods all look the same. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
26th Sep, 2016 at 09:56:05pm
I can beat that haha. Center main bearing failure..... pistons were touching the head On 26th Sep, 2016 matty said:
The spun bearing on the engine I stripped, was down to 15mins of racing with no oil pressure, and 4thou clearance on the mains. 😂 you could literally rattle the crank...made good power though! (not my work). I think the are essentially the same rods with different names, but these two sets were slightly different, very subtle but you could tell they were made differently due to a few of the profiles and surface finish on the non machined surfaces. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
26th Sep, 2016 at 10:00:51pm
Come to think about it, there's a similar situation going on in the oak furniture market. It all looks the same, is made of Oak and comes from China On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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![]() 6965 Posts Member #: 507 Fastest A Series Mini in the World leeds/wakefield. |
27th Sep, 2016 at 06:39:33am
On 26th Sep, 2016 Sprocket said:
Come to think about it, there's a similar situation going on in the oak furniture market. It all looks the same, is made of Oak and comes from China ![]() You do of course mean " very small pieces of oak" glued together,lol ![]() ![]() |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
27th Sep, 2016 at 07:12:17am
They look ok and some are better than others....... Like most things Chinese...... Same Shit Different Day On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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![]() 2094 Posts Member #: 9894 Post Whore Dorking |
27th Sep, 2016 at 08:46:57am
Maxspeedingrods seem to make most of them by the looks of it.
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![]() 6965 Posts Member #: 507 Fastest A Series Mini in the World leeds/wakefield. |
27th Sep, 2016 at 04:56:51pm
Forged my fucking arse. and that's not an offer ,lol
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![]() 4890 Posts Member #: 1775 Post Whore Chester |
27th Sep, 2016 at 06:13:32pm
carl why do you say that?
I run a supercharger and I don't care the TB is on the wrong side.
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![]() 8297 Posts Member #: 408 Turbo Love Palace Fool Aylesbury |
27th Sep, 2016 at 06:47:10pm
I was very sceptical at first with these rods, and how the tolerances would be. I had the rebush the Little ends for 998 pins, and the machining was cock bollock on, all round and better than the Sainz rods we used to build engines and these are expensive rods!
On 26th Sep, 2016 Sprocket said:
On 26th Sep, 2016 giannoutsos said:
Do you have the link Sprocket? Would make an interesting read. Thanks John Interestingly, most people seem to suggest that "cheap Chinese" means 'poor quality'. I'd say that has been confirmed to be true at the very least regarding the dimensional accuracy. I'd be tempted if it was for something as simple as a longer rod or a Cooper S big end for a stroked 1430 rather than a lighter rod for a balls out screamer......... Considering such a 'heavy' rod as these "cheep Chinese" in a balls out screamer, you really aught to re assess your decision making paradigm before anything else. I said it before, and I'll say it again; That is not to say these cheap Chinese rods don't work. If you have a valid justification to use such 'heavy' rods, by all means do so, but not just because it's fashionable. Measure measure measure.................. On 21st Jan, 2014 TurboDave16V said: I was a bit bored, so looked on interwebs for maxpseeding rod info. http://www.mgexp.com/phorum/read.php?41,1826191 http://forums.mg-rover.org/showthread.php?t=406766 Both of these links contain interesting information; the MGExperience site talks about billet machined rods made in England that were embarassing quality with the BE being interpolated on a CNC instead of finish honed to size!!!! WTF!!!! The MGRover site mentions Dave Andrews (respected K-series tuner) uses the maxpseeding rods, and that initially the rods had a few little issues that made them "not as good as they could have been", but with feedback from DA, resulted in a modifed design that no-one has any reported failures on... I'd say these could be worth a sniff. The interesting (or should that be blatantly obvious) thing is that all ebay, SC, and "others" rods all look the same. https://www.facebook.com/pages/Fusion-Fabri..._homepage_panel
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