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thaskitz
23-04-2006, 13:33
hi there is there anyone near torquay in devon who could have a look at my 200 for me before i start to rip it to bits and hit it with a hammer!!!
please see this post as it should explain the situation a bit
http://www.sxoc.com/vbb/showthread.php?t=211197
cheers guys!!
mammoth
23-04-2006, 15:56
hey. im near torquay, but, looking at what you've posted in the other thread it looks like you might have killed a ring.
whats the oil consuption like?
thaskitz
23-04-2006, 18:04
Does not use any at all??
Strangly though it is much worse after cleaning the afm out?
mammoth
23-04-2006, 18:28
do you notice any when driving? is it when your on boost or not?
thaskitz
23-04-2006, 18:30
yeah idle is all over the shop, misfires intermittenly on running clears a bit with boost then comes back and has sod all power
thaskitz
23-04-2006, 18:31
ok
Went to a guys place to try his parts and the afm was differnt (wrong pins) he said it will run fine with more of a drop in compression than that (hes had a few) he looked at my afm and said it had been drilled out in the screw hole????? and that it was running rich as the plugs were black and it stinks!!
Am i right in thinking that this need adjusting on a co machine this would not cause a miss though?
Also he suggested adjusting the cas a little is this advisable or am i just stalling the inevitable???
mammoth
23-04-2006, 18:40
adjusting the cas will alter the timing, you need a gun on it if your going to do that.
have you checked for air leaks? if you blip the throttle on idle do the revs come back down at a reasonable rate or do they come down quite slowly?
mammoth
23-04-2006, 18:47
from the manual
standard compression is 171psi
minnimum is 142pis
max difference between cylinders is 14psi
thaskitz
23-04-2006, 22:02
tis fooked then
guess what im doin this weekend
mammoth
23-04-2006, 22:06
tbh, if its just the rings then you can get it sorted over a weekend if you hit it hard, and have the new rings ready. tbh though. whilst the engines out id take the time to do a nice rebuild
thaskitz
23-04-2006, 22:27
is it easier to lift whole thing out of car or remove head and sump??
mammoth
24-04-2006, 21:54
take the whole thing out.
Mel B
24-04-2006, 22:10
is it easier to lift whole thing out of car or remove head and sump??

Everything on a 200sx engine is easier when its out of the car:nod:
You may as well as put a new set on BE bearings in there when your at it and have a good look over the crank. New cambelts a good idea too. I know the cost will all add up but you may as well as do whatever you can now then you should have a soundish engine:thumbs:
mammoth
24-04-2006, 22:30
also, whilst its out, depending on the mileage and your intended mods in the future, change the pumps and stick some wiseco pistons in there :)