Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length

[R-vin]

hi all,
i have been following this topic, and the way the condition of these engines are described...i want to ask what have you guys been doing to these cars....i am from trinidad, in the caribbean and i have been rebuilding engines for more than 15 years here...and only the old ones, like from the 70's that have been laid to rest for some years look like what you guys describe....is it the daily cycles of heat and cold, lack of oil changes? that causes this crud build up??

because we here in trinidad have been using the local oil company`s blended oil, its much cheaper than the imported stuff and the engines last for 10 -15-20 or more years...my dad`s mazda 626 is from 1986, doing 1, 235 658 km, yes thats about right...on the original block, and its only been taken apart once to change only piston rings, the head has been off a few times due to blown gaskets, the head was eventually changed when an exhaust valve needed constant adjustment...it got to the point that it went all the way up into the head and was kept slightly open....AND WORST OF ALL...WE USUALLY CHANGED OIL IN THIS MOTOR ONCE PER YEAR AND USED THE CHEAP STUFF TOO>>>IT RAN ON CNG ONLY MOST OF ITS LIFE (AFTER THE RING JOB IN 1990), WHICH KEPT THE MOTOR VERY CLEAN...3MONTHS INTO AN OIL CHANGE WHEN THE GAS STATION ATTENDANT CHECKS THE OIL..YOU COULD NOT SEE IT ON THE DIP STICK...IT WAS THAT CLEAN!!

with my omega, i use the same brand of cheap oil (not the imported synthetics) and it works great, when i raced her on saturday nights at the street drag meets...my friends that use the high dollar synthetics always marvell at my engine after a run...we open the oil caps to see how much smoke emminates and with mine very little....so i wonder, do we have a good cheap oil here in trinidad???

R-vin

[Abiton]

I think you're asking the wrong people "what have you been doing with these cars?"

It's the previous owners/ fleet managers, and their mechanics that deserve this question;  not your typical "I care about my engine" forum-using types. 

[SeedyV6]

recovered pretty well from last nights outing  , so cracked on with sump pan removal. Realised the it would be easier to remove the plastic undertray in front of the sump pan, so i could get a chisel in and pry the pan away from the sump.

Sump pan was dirty but didn't take too much cleaning. removed the oil pick up pipe (that 4th bolt being a barsteward) cleaned that through with carb cleaner and refitted. wet n dry'd and cleaned the the mating surfaces of sump and pan, applied grey sealer and refitted.

Oil filter housing...............still haven't got it off 
I've got a 24mm spanner on it and can turn it now. How long is the thread on this thing? Also is the entire housing supposed to turn? I can get about a quarter turn in between the suspesnion link and the exhaust. The thing is stiff to turn and I don't seem to have made any progress.

(Other cars i've owned previously and serviced have just had the metal canister type, so I am not used to these paper types with the housing)

Oh, and it's been raining on and off all day which means i'm soaked yet again  and everything has taken longer than it should

[SeedyV6]

ok so thanks to VxON website i now know that the housing shouldn't come off and it has a cap.......oki doki, looks like it has been overtightened.

That should be fun tomorrow then, assuming the rain ever stops!

[PhilRich]

ok so thanks to VxON website i now know that the housing shouldn't come off and it has a cap.......oki doki, looks like it has been overtightened.

That should be fun tomorrow then, assuming the rain ever stops!

Is this any help?



http://www.omegaowners.com/forum/YaBB.pl?num=1204142232

[SeedyV6]

ok so thanks to VxON website i now know that the housing shouldn't come off and it has a cap.......oki doki, looks like it has been overtightened.

That should be fun tomorrow then, assuming the rain ever stops!

Is this any help?



http://www.omegaowners.com/forum/YaBB.pl?num=1204142232

No phil but thanks. I couldn't get the cap off of the oil filter housing on Sunday, so filled the car with my halfords oil, leaving the filter in. Instead i went back to the guys who serviced it in May and explained that no-one other than them had touched the oil filter and that it was now too tight. They had the car in tuesday morning and I gave them my Vx oil and filter, and left it with them. Picked it up mid-morning and they'd done it, admitting that it had been overtightened previously and it had now been torqued up correctly. They also said the oil came out clean, which considering it had only been in since Sunday.......

So, the car has now had three oil changes in the space of a week and three rounds of lifter treatment to boot.

It still has the noise. Worse than that, this morning it was reluctant to start. Just didn't catch first tiwst of the key as normal. On the way to work this morning, it seemed to warm up quicker than normal.

On the way home tonight, the temp rose in traffic briefly to over 100 deg. I turned the air-con on full straight away and this seemed to keep the temp at about 97deg in traffic. Once on A roads the temp came down to 95 deg, but that is about 10deg higher than normal on the same stretch of road at the same speed 

Coolant level seems ok, doesn't appear to have oil in it and the expansion tank smells like it normally does (no i do not have an expansion tank fetish  ) oil is clean. was going to take a plug or two out and check the condition, see if this would shed any light maybe? dunno!

It's still running but question is for how long? (Coolant was changed when cambelt and water pump were done last month by DLK)

[SeedyV6]

Oh yeah, taking the oil cap off after pulling up, there was a lot of smoke, plus the cap smells of petrol. 

[charlie]

a shot in the dark,check your o2 sensor, wires there near the oil filter housing and may have been disturbed

[SeedyV6]

a shot in the dark,check your o2 sensor, wires there near the oil filter housing and may have been disturbed

Sounds good Charlie, i'll give that a go, if it ever stops raining!