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July 16th, 2012, 05:52 AM   #1
#22
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How much money is there around?



I ask because I had a totally shitty weekend at Snetterton in the superkart with 3 engine seizures. 1 was the new single ring piston picking up on a transfer port, second was the fuel pump failing (i've had 3 go in a year, yet ran the same one on my 125 for 3 years, go figure) which sent me spinning off the track at Murrarys and finally the 3rd time burnt away the exhaust side of the brand new piston. Firstly, i;ve realised that no one in superkarts who claims to be an expert has fuck all idea what they are talking about and simply just have the cash to replace any parts they blow up. We run a near bog standard CR250 engine and in terms of carb settings and ignition timing have changed nothing since the start of the year, when i've been running well yet this weekend in various weather conditions the fucking engine blows up 3 times.



I'm giving it up, I'm a contract engineer and earning good money and its leaving me skint just to compete in races that the piece of shit kart wont even finish (the general concencus is that 250 superkarts are 'high maintainence' and need to be rebuilt with a lot of new parts each race). What my question is, is how can everyone else afford it? Like I say I consider myself in a well paid job but I cannot keep up financially with kids who are in university or apprentices who are paying 'teams' to give them works support or run them, where the fuck do they get the money to do this? Two brothers I know who race are both in university, their dad was apparently unemployed until recently yet they turn up in a full race truck with fancy awning and are run/supported but one of the big player teams in the series who are probably charging £2000 a race for their services.



Rant over, but i'm just wondering where the fuck people seem to get their money these days....
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July 16th, 2012, 06:07 AM   #2
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IT Is strange just look in sport where there are paid rides/drivers

even motogp ppl get paid rides some with good money backing i bet

but who wants to sponsor these ppl to get zero coverage in whats becoming a niche sport

go figure
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July 16th, 2012, 08:01 AM   #3
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if you don't have what you need you have to go for it



the world is yours
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July 22nd, 2012, 02:22 AM   #4
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Quote:
Originally Posted by #22 View Post
How much money is there around?



I ask because I had a totally shitty weekend at Snetterton in the superkart with 3 engine seizures. 1 was the new single ring piston picking up on a transfer port, second was the fuel pump failing (i've had 3 go in a year, yet ran the same one on my 125 for 3 years, go figure) which sent me spinning off the track at Murrarys and finally the 3rd time burnt away the exhaust side of the brand new piston. Firstly, i;ve realised that no one in superkarts who claims to be an expert has fuck all idea what they are talking about and simply just have the cash to replace any parts they blow up. We run a near bog standard CR250 engine and in terms of carb settings and ignition timing have changed nothing since the start of the year, when i've been running well yet this weekend in various weather conditions the fucking engine blows up 3 times.



I'm giving it up, I'm a contract engineer and earning good money and its leaving me skint just to compete in races that the piece of shit kart wont even finish (the general concencus is that 250 superkarts are 'high maintainence' and need to be rebuilt with a lot of new parts each race). What my question is, is how can everyone else afford it? Like I say I consider myself in a well paid job but I cannot keep up financially with kids who are in university or apprentices who are paying 'teams' to give them works support or run them, where the fuck do they get the money to do this? Two brothers I know who race are both in university, their dad was apparently unemployed until recently yet they turn up in a full race truck with fancy awning and are run/supported but one of the big player teams in the series who are probably charging £2000 a race for their services.



Rant over, but i'm just wondering where the fuck people seem to get their money these days....


Something is drastically wrong if you haven't finished a race on it!!



From your description ........ 1st question ....... are you putting the piston in the correct way? ( arrow towards the exhaust port usually )



if thats not it ...... and you are melting pistons ......... mixture too lean and/or you are way undergeared.



3 times is pretty bad ....... do others run the CR engine? How is their's set up for jets carby etc. ? Have you tried talking with such "others"?
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July 22nd, 2012, 12:55 PM   #5
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Barry thanks for your input but it's a bit ignorant to assume I'm making a rookie error of not putting the piston in the wrong way. We think it's a cylinder head issue but will find out for sure soon
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July 22nd, 2012, 11:58 PM   #6
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Barry thanks for your input but it's a bit ignorant to assume I'm making a rookie error of not putting the piston in the wrong way. We think it's a cylinder head issue but will find out for sure soon


Not as "rookie" as blowing your engine 3 times!!, hence why it had to be asked.
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July 23rd, 2012, 12:14 AM   #7
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I think you've caught an STD from the animals you've been butt fucking
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July 23rd, 2012, 05:43 AM   #8
 
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Quote:
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Barry thanks for your input but it's a bit ignorant to assume I'm making a rookie error of not putting the piston in the wrong way. We think it's a cylinder head issue but will find out for sure soon
Just a thought #22. Are you using the same make and alloy type piston as you have used before without issue. if your using a lower silicon alloy you may be getting too much expansion so need greater piston to liner clearances

The standard cast hypereutectic pistons that were in my engine only needed about 1 thou clearance but when i switched to 4032 forged which still have a fairly high silicon content i needed about 3-4 thou. Had i used 2618 i would have needed even greater clearances to allow for great expansion experienced by lower silicon content alloy.
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July 23rd, 2012, 06:53 AM   #9
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Good point Rog but I think its ok, they run quite a big clearance on the kart spec motors and I got the clearance set quite big (can't reemember off the top of my head) when I had the barrel replated and gave them a piston to use. We normally use Prox, and used one Honda OE piston this time with the same results. Dad is going to check the squish and CC of the old and new head this week, as the new head is all that was changed.



Will keep you posted and get pics when I can, cheers
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July 23rd, 2012, 07:23 AM   #10
 
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Quote:
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Good point Rog but I think its ok, they run quite a big clearance on the kart spec motors and I got the clearance set quite big (can't reemember off the top of my head) when I had the barrel replated and gave them a piston to use. We normally use Prox, and used one Honda OE piston this time with the same results. Dad is going to check the squish and CC of the old and new head this week, as the new head is all that was changed.



Will keep you posted and get pics when I can, cheers
Yeah there could be a miss match with piston and head especially if its been skimmed. Could be just a case of needing a thicker head gasket. Do you pre-mix the oil and fuel or are you using an auto lube injection?
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