Well bit of an update had a few issues but nothing major
First off was driving home from a family affair last week with the misses in the car noticed that the car seemed to pulling quite hard even though i was only on part throttle but didn't really think much of it as wasn't thrashing the car as usual but was a rather spirited drive as she was in it and was late at night (still taking it to 4500-5000) but started to realise the liquid gauge was flashing quite a lot for that stile of driving (egt warning 950 degrees) when i noticed it was boosting to 1.8 bar so tried one flat out pull and went to 2 bar so i layed off of the throttle for the rest of the drive
I had noticed for the last couple of weeks the car has been boosting slightly higher (1.55-1.6 bar) but not like this??
Checked the car over the following morning and where i had used and modified the hard pipe for the evap as the wastegate feed it had fractured on one of the oem joins as i suspect the engine movement and the pipe possibly to short had gradually broken the join so was running with the wastegate dissconnected for that journey
Any how am lucky didn't do any damage and have run a temporary silicon pipe for now as will hopefully be putting the boost contoller in next week
Secondly car lost some power and the blatent sound of a boost leak, liquid helped confirm this as gs readings were slighly higher than usual and boost a touch lower, so popped in to work to use the air supply and connected my tester up to find that i had a leak on the pipe up from the turbo to charge pipe
I wipped the pipe off to find that the jubilee clip had cut through the pipe where i had over tightend it (penis) i had had it leak a few times previously on this joint (usually after haywards or someone else worked on it) so had started tighening it with a 1/4 ratchet
Any how have now taken the support off of the charge pipe to the back of the head for now so the charge pipe can sit slightly lower to allow for the bit i trimmed off, not an ideal permanent solution but am going to run like this until changes take place as got things in the pipeline
Whilst measuring up for the new tubby i checked the downpipe over as had an anoying rattle, the rattle turned out to be the heatshield on the back of the head which was easily sorted, but found the first O2 sensor loose which i tightend with a crows foot spanner as a complete **** to get to and also found that there was 2 nuts missing on the turbo to downpipe flange although its not blowing so when next off im going to put the proper audi lock nuts on as i previously found these never come undone and when removing usually wind the studs out.
But seriously suspect that haywards had forgot to put them on before the rest of the downpipe and just couldn't be ***** after woulds as really inacessable!
Also the downpipe seems all solid now upon inspection with no obvious blows but they have blatently bodged the job as rather than remake it they have just slightly modified it and modified more of the car to go around it by the looks of things including the driveshaft heatshield by what looks like cutting and re tigging it to sit tighter to the shaft and then tilted it by putting washers behind some of the mountings..... not happy!
On a plus side i have got the inlet mani under way and custom silicon joining elbow on order ready for fittment in a week or so
The inlet mani i am getting machined at a local machine shop in the end as i want to recess the runners into the mounting plate for added strength and ive not got access to a mill other wise would love to have done it all myself and saved a fair amount of money, i was going to do it all by hand but have decided its not worth it
Some bits arrived from ie last week (630cc injectors and arp headbolts) and got my egt bung to weld to the downpipe (cheers Bill) and turbo has been ordered today just a waiting game now and some silicon and alloy bits to order
Does anyone know if it will be ok to change the headbolts over without removing the head ie one bolt at a time?
Bill and anyone else in the know what MAF shall i get? Bill said about a S4 one but theres a couple of choices?
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