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

Smoke

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1Smoke Empty Smoke on 29th June 2016, 12:34 pm

shroom

shroom
moderator
moderator
Hi all, seems I have an issue with my GTiR relating to smoke.

Generally these are the symptoms...

Car drives and performs fine, doesn't tend to smoke whilst driving or on a run.

As soon as I get stuck in traffic or come to a stop it can smoke quite badly with blue smoke. Rev or move forward and it clears out.

Now I have an aftermarket induction pipe on so I don't currently have the feed from the rocker cover (right side) going down to the inlet of the turbo, this is just connected to a oil catch can. I also recently found a missing pipe on my PCV pipework so I took that out and blanked off the PVC as that was not working correctly either. Now I was going to route this to my catch can and not block it off but didn't have time before Japfest 2 so drove down to Rockingham with it blocked, car idled better etc. but smoked more now. I have removed the PCV and put a normal outlet on it (without valve inside) and put a filter on the end so it can vent to atmosphere but it still seems to smoke when pulled up now.

When the car was Dyno'd at Bobs it was compression tested and it was fine however I know this doesn't show the whole story. I now have a new induction pipe with the inlet for the breather so I was going to sort that out so there is some vacuum to get rid of the crank case pressure and fumes in the engine but I don't know if this will fully resolve the problem?

I replaced the turbo with a second hand unit around a year ago which was supposed to be ok but I have no idea if it could be that causing the issue. What do people suggest? should I get the breather system working correctly and then see how it goes, I have a rocker cover leak so need to sort that out too but I know the spark plugs don't seem oily etc.

I have 10w 40 in the car atm but wouldn't have thought that was blowing by but might try something like a 10w 50

The engine was rebuild and has JE pistons, Cosworth HG and HKS 264 cams, the shims need sorting as it has always been a tappy top end.


_________________
Now Shagging sheep on the cheap
You wont find one that's for keeps
Spend the money, find a honey

'Shit' think I need to sell my Sunny!

But woman cant replace a sheep
Oh I wish that for the peace!
But I really cant find my honey
The only one I would give my money
Is one with a great big fleece
And then I would be at peace...

2Smoke Empty Re: Smoke on 29th June 2016, 1:27 pm

Stu

Stu
Admin
Admin
So was both breathers on the rocker cover blocked or did the one to the catchcan vent off via the catchcan?


_________________
Back againTwisted Evil
http://www.j10-meets.co.uk

3Smoke Empty Re: Smoke on 29th June 2016, 1:42 pm

shroom

shroom
moderator
moderator
yeah the one to the catch can just vented to atmosphere Stu, I still have the stock restrictor and black oil separator in place. Will get a picture of the engine bay if I can


_________________
Now Shagging sheep on the cheap
You wont find one that's for keeps
Spend the money, find a honey

'Shit' think I need to sell my Sunny!

But woman cant replace a sheep
Oh I wish that for the peace!
But I really cant find my honey
The only one I would give my money
Is one with a great big fleece
And then I would be at peace...

4Smoke Empty Re: Smoke on 29th June 2016, 4:44 pm

Mr B

Mr B
gtir technician
gtir technician
I would suspect you puling oil vapor under idle high vacuum.
Worth pulling off inlet pipes to see turbo dry though as that a 5 minute check .

5Smoke Empty Re: Smoke on 29th June 2016, 5:40 pm

johnny gtir

johnny gtir
moderator
moderator
Turbo starting to go I would say and they can go anytime even new ones fail. ( although a lot less likely) don't mean it was a bad turbo at all and a year is a long time with or without use

6Smoke Empty Re: Smoke on 29th June 2016, 5:54 pm

shroom

shroom
moderator
moderator
Thanks for the advice yeah will check intercooler pipework and sort the breather out and see how it goes. Also I dont have the lambda fitted so could do with getting a boss in my ss elbow


_________________
Now Shagging sheep on the cheap
You wont find one that's for keeps
Spend the money, find a honey

'Shit' think I need to sell my Sunny!

But woman cant replace a sheep
Oh I wish that for the peace!
But I really cant find my honey
The only one I would give my money
Is one with a great big fleece
And then I would be at peace...

7Smoke Empty Re: Smoke on 29th June 2016, 6:11 pm

kevmc76

kevmc76
i have a turbo for sale tom if needed Very Happy

8Smoke Empty Re: Smoke on 30th June 2016, 9:07 am

shroom

shroom
moderator
moderator
Cheers Kev I will see how it goes :-) will probably get this one rebuilt by Turborebuild if is gone as they do a good job and will be about £200 pounds.

Still toying with the idea of getting another 3071r but I dont think my pockets will allow for this lol


_________________
Now Shagging sheep on the cheap
You wont find one that's for keeps
Spend the money, find a honey

'Shit' think I need to sell my Sunny!

But woman cant replace a sheep
Oh I wish that for the peace!
But I really cant find my honey
The only one I would give my money
Is one with a great big fleece
And then I would be at peace...

9Smoke Empty Re: Smoke on 30th June 2016, 9:11 am

kevmc76

kevmc76
Ok Tom got the complete unit plus 3" elbow

10Smoke Empty Re: Smoke on 30th June 2016, 9:54 am

gtir_woody

gtir_woody
moderator
moderator
Roll down those windows when you are in traffic or come to a stop Laughing

Smoke How_to_Get_Weed_Smell_Out_of_a_Car_Cover_Photo

11Smoke Empty Re: Smoke on 30th June 2016, 10:21 am

shroom

shroom
moderator
moderator
It was quite funny queuing for Japfest 2 and smoking out the crappy MR2 behind me lol I came in and parked up on the stand with a cloud of smoke following me.

Hey I don't smoke weed I just take mushrooms Laughing


_________________
Now Shagging sheep on the cheap
You wont find one that's for keeps
Spend the money, find a honey

'Shit' think I need to sell my Sunny!

But woman cant replace a sheep
Oh I wish that for the peace!
But I really cant find my honey
The only one I would give my money
Is one with a great big fleece
And then I would be at peace...

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