Engine Rebuild 22R (Possibly other concerns)

[XKaiX94T4R]

So yesterday 5 minutes into driving my engine died, and have a blown head gasket (leaked creamy oil onto the road after stopping, milky oil on dipstick and is 4x over the Low to Full section on the dipstick i.e 2 cm between L and F and is 8 cm over Full).

So I have decided to rebuild the engine, hopefully, if there isn't too much damage done. Did an oil change 3-4 weekends ago and the oil was just dark, and looked used, so it wasn't an issue then, but have done some reading and have found that an early warning sign can be loss of performance (which I noticed happening over the last 2-3 months: would get to 60 kph at 3k rpm in 3rd gear but then went down to 55 kph at 3k rpm in 3rd gear (both before shifting up)) and loss of coolant with no leaks, which was what I noticed over the last few weeks, but never overheated (or at least on the temp gauge) but I then kept an eye on the coolant and it had been fine for a couple weeks.

I'm wondering if there was any possible damage to the engine because of this, I don't have a lot of money to play around with, so I'm looking to do most of the labour (apart from machining) myself to keep costs down.

I'm also wondering if there is anything else that might have gone wrong to cause the head gasket to go like it did, there wasn't much of a warning sign apart from the above mentioned.

I haven't yet done any work to the engine because I've had to clear out the shed (and still some work to do) to keep the car under cover out the rain, don't have a covered carport, but plan to drain the milky oil tomorrow.

It also uses LPG as well as petrol, but want some advice regarding whether to remove the lpg system and put in a long range petrol tank (eventually) or keep lpg in.

What would be the best rebuild kit to get? its a 22R 4Cyl Carb

 

[Bad_Vision]

So yesterday 5 minutes into driving my engine died, and have a blown head gasket (leaked creamy oil onto the road after stopping, milky oil on dipstick and is 4x over the Low to Full section on the dipstick i.e 2 cm between L and F and is 8 cm over Full).



So I have decided to rebuild the engine, hopefully, if there isn't too much damage done. Did an oil change 3-4 weekends ago and the oil was just dark, and looked used, so it wasn't an issue then, but have done some reading and have found that an early warning sign can be loss of performance (which I noticed happening over the last 2-3 months: would get to 60 kph at 3k rpm in 3rd gear but then went down to 55 kph at 3k rpm in 3rd gear (both before shifting up)) and loss of coolant with no leaks, which was what I noticed over the last few weeks, but never overheated (or at least on the temp gauge) but I then kept an eye on the coolant and it had been fine for a couple weeks.



I'm wondering if there was any possible damage to the engine because of this, I don't have a lot of money to play around with, so I'm looking to do most of the labour (apart from machining) myself to keep costs down.



I'm also wondering if there is anything else that might have gone wrong to cause the head gasket to go like it did, there wasn't much of a warning sign apart from the above mentioned.



I haven't yet done any work to the engine because I've had to clear out the shed (and still some work to do) to keep the car under cover out the rain, don't have a covered carport, but plan to drain the milky oil tomorrow.



It also uses LPG as well as petrol, but want some advice regarding whether to remove the lpg system and put in a long range petrol tank (eventually) or keep lpg in.



What would be the best rebuild kit to get? its a 22R 4Cyl Carb

The head gasket is the failing part that's designed to give out before worse damage is done.

As far as a rebuild it depends on total mileage and how long you want to keep it?


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[XKaiX94T4R]

The head gasket is the failing part that's designed to give out before worse damage is done.

As far as a rebuild it depends on total mileage and how long you want to keep it?

I've only had her 8 months myself, and she's done 377k kilometres on it, I would like to keep her for a very long time and also no other means of transport, so a rebuild is best option for me.

 

[Bad_Vision]

I've only had her 8 months myself, and she's done 377k kilometres on it, I would like to keep her for a very long time and also no other means of transport, so a rebuild is best option for me.

If you want to keep it for a very long time do a diesel swap.
The 22 RE is a good engine but it also can be a problematic. I'm not sure what you do with your truck but you can't go wrong with the diesel great MPG and a base AL H diesel is about the same as the 22 RE but with both on parts you can get better gas mileage and a lot more power. I have a stage III kit on one of my trucks and it does 75 MPH. Down the highway with 36 inch tires
Again nothing wrong with a 22R I have just had enough temperamental engines to know that it's not something I want to deal with and I would never ever spend the money to rebuild one.


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[XKaiX94T4R]

If you want to keep it for a very long time do a diesel swap.
The 22 RE is a good engine but it also can be a problematic. I'm not sure what you do with your truck but you can't go wrong with the diesel great MPG and a base AL H diesel is about the same as the 22 RE but with both on parts you can get better gas mileage and a lot more power. I have a stage III kit on one of my trucks and it does 75 MPH. Down the highway with 36 inch tires
Again nothing wrong with a 22R I have just had enough temperamental engines to know that it's not something I want to deal with and I would never ever spend the money to rebuild one.

She is only my daily driver for now, a diesel swap would cost me too much right now and couldn't afford that route, my only option is to rebuild.

 

[Bad_Vision]

3,000 for a diesel swap or 2,000 or more for a 22r rebuild. The choice is clear to me.


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[KidVermicious]

If you haven't done a compression test, you don't know you have a bad head gasket. It could be your timing chain guides let go and wore a hole in the timing cover.

The overheating may have damaged your motor, or you may have caught it soon enough. Start with a compression (or a leakdown test, if you can) and go from there.

 

[XKaiX94T4R]

Ok I now have some numbers and they don't look very promising

Compression test
Dry
1. 2. 3. 4.
140 140 115 60

Wet
100 200 125 60

 

[KidVermicious]

Well, yeah, that looks pretty sucky. #4 is a bad valve or blown head gasket, the others could be bad rings. The 200 on number two is actually a little high, and it's weird that number one went down so I'd normally say do it again, but in your case I think you're yanking that motor either way. With 377km on it and the possibility of damage to the bottom for overheating, I think it's probably time.

Here in the States, engnbldr.com is the place to go for 22R parts. I don't know what shipping is like to Australia though so that might not be an option. If you ever did want a diesel, now would be the time to swap one in, but it's a little more involved than a straight engine rebuild if you don't know what you're doing.