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Gtir Motorsport club » Tech room » Help and Advice » Misfire

Misfire

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26 Re: Misfire on 14th April 2015, 6:36 am

Thermal

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Good luck with the head tighten, it dosent sound as if you have been running it too long with the loose studs, so fingers crossed.
I did not know ARP were so useless.

27 Re: Misfire on 14th April 2015, 9:21 pm

scotty6860

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Update all the new head bolts are in and some of the arp bolts had worked up which I found quite shocking should of took a pic of the worse one and sent it to arp so they know what they are selling out in the morning for the compression test

28 Re: Misfire on 15th April 2015, 4:16 pm

scotty6860

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GQuick update did not get away with it got all the compression back but under boost its pressure up the Water system so head gasket is gone so just orderd a cosworth head gasket new oil pump new warter pump and timing chain while its apart might as well get them changed 
But due to waiting for parts I am going to miss the rr day at bobs

29 Re: Misfire on 15th April 2015, 5:24 pm

nomad

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Admin
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Sorry to hear that scotty some bad luck is that .... sounds like your on it though Wink


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30 Re: Misfire on 15th April 2015, 5:39 pm

scotty6860

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J
cant fix it It's just one of those things mate we will own these cars but in 12 years  of onwership this is the biggest job I have had to do on her

31 Re: Misfire on 15th April 2015, 7:39 pm

GTI-R US

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Management
Management
was a gamble scott and well worth the try as you may have struck lucky.

im now wondering whether swapping to a 1.3 bar pressure cap has actually blown the hg
the increased pressure in the system coupled with the lifted arp studs could just have put the final nail in the coffin.

pity you wont have her done for Saturday though, is 2 days not enough to get it done?, ive even got a hg down here (new one) you can borrow until the other arrives if that helps at all


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32 Re: Misfire on 15th April 2015, 9:42 pm

scotty6860

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Yer was definitely worth the try and think you are very right about the 1.3 bar cap 

Head gasket comes in the morning but got to wait 3 days for oil pump and water pump so will strip it all down and get the head of for testing just to be safe but on a good note at least I am finding out about my engine and tackling the jobs my self

33 Re: Misfire on 15th April 2015, 10:32 pm

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Management
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What's wrong with the oil pump then? Not something you would normally change unless you had a bottom end problem


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34 Re: Misfire on 15th April 2015, 10:46 pm

scotty6860

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Why it's apart just going to change the lot

35 Re: Misfire on 15th April 2015, 10:48 pm

GTI-R US

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Management
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You'll need to drop the sump aswell to do the oil pump


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36 Re: Misfire on 15th April 2015, 10:50 pm

scotty6860

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Is it just the sump bob or is it more evolved than that

37 Re: Misfire on 15th April 2015, 11:01 pm

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yep just sump, pulleys front engine mount and allie bracket think that's about it scott


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38 Re: Misfire on 16th April 2015, 6:54 am

Thermal

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Scotty6860, I will be going to Bobs on Saturday, meeting up with RobIOW on the way, if there is anything you need from Bobs I could bring it back for you, if you still fancy going up if you are not elbow deep in Pulsar, I could pick you up and drop you off, if you are anywhere near Brighton/M23, I will be going up about 9:30, returning around 4:00ish after a natter and a burger.

39 Re: Misfire on 11th May 2015, 9:19 pm

scotty6860

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Well the head is off and the head gasket is gone where the arp head bolt undone its self good new is head and block are fine just got to put it back together now more blood cant fix it

40 Re: Misfire on 11th May 2015, 9:58 pm

Mr B

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gtir technician
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Best thing you can do with those arp studs is use then as drifts :-)
I don't use any higher pressure caps than 1.1bar, 1.3bar just not needed really & on old cooling systems they a pain in the ass ...

41 Re: Misfire on 24th May 2015, 7:51 pm

scotty6860

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Quick update car is back together in the morning new oil and coolant and going back to a 1.1 bar cap fingers crossed got the timing all right been turned over by hand with no problems then just got to sort my new brembos out by a bit of shiming then book in at bobs for rr

42 Re: Misfire on 25th May 2015, 7:31 pm

scotty6860

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Car is up and running only fault I have is its not charging it self

43 Re: Misfire on 25th May 2015, 9:54 pm

nomad

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Admin
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Have you tested the alternater ...???


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44 Re: Misfire on 25th May 2015, 9:57 pm

scotty6860

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Going to test it tomorrow can't find my meter and the battery is on charge as it was dead and still on charge would it be possible that it was the battery

45 Re: Misfire on 25th May 2015, 10:08 pm

nomad

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It could be the battery although without testing it its really hard to tell you can test from the battery once its running you ideally looking at figures around 14 ....


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46 Re: Misfire on 25th May 2015, 10:20 pm

scotty6860

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Ok cheers mate will get that sorted

47 Re: Misfire on 26th May 2015, 5:46 pm

scotty6860

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Right is the alternator so one coming of bob done new compression test to day getting 165 on all four so looking good quick drive when alt is fitted then up to bob for rr

48 Re: Misfire on 26th May 2015, 6:31 pm

nomad

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Good news on the comp test .... shame about the alternater but it could be a whole of worse things to have to change ....


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