Cost of engine rebuild...what should I do?

Cost of engine rebuild...what should I do? was created by c13amb

Posted 1 month 3 weeks ago #208898
Hi all,
Got the dreaded news today that my TF 135 will not pass the emissions test for an mot pass after my mechanic has tried everything 😭 
She needs engine work but what is needed isn't evident until it's opened up, he says it's burning oil that can be smelt. This scenerio was present last year but went through with ",time and effort!"
Obviously you need head gasket change for starters then who knows?
Anyone care to give me cost of rebuilding the engine? I'm tempted to buy another engine but you never know what that's going to throw up I may be buying rubbish for all I know.
​​​​​​ive had the car for over 11 years and spent a fortune but never any serious engine work, I don't really want to scrap her but the cost could be a defining factor. I'm ok with the garage that has the car I've used them for years and know the owner really well so trust his work impeccably so I know it would be in a good place for repairs. It's really down to cost as to what to do next, any recent rebuilds out there to help with my decision?
by c13amb
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Replied by EllisoJo on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208901

Hi all,
Got the dreaded news today that my TF 135 will not pass the emissions test for an mot pass after my mechanic has tried everything 😭 
She needs engine work but what is needed isn't evident until it's opened up, he says it's burning oil that can be smelt. This scenerio was present last year but went through with ",time and effort!"
Obviously you need head gasket change for starters then who knows?
Anyone care to give me cost of rebuilding the engine? I'm tempted to buy another engine but you never know what that's going to throw up I may be buying rubbish for all I know.

Sadly, this is a "How long is a piece of string" Question.  My advice would be:
1. Ask your trusted garage to do a compression test + any other tests they think may give an indication of where the fault lies.
2. Have you or they seen any evidence of high oil consumption? (A good K series uses minimal/zero oil)
3. Has Pscan or any other diagnostic software revealed any clues
4.  Have you replaced the Cat? Aftermarket cats seem to cause MUCH more difficulty passing emmissions tests than the O.E.M. Catalyst.

If the engine IS the culprit.  I suggest you talk to MGFnTF Bitz, who sell "good" secondhand engines.  Make sure you give them your current engine number etc. to ensure that the replacement will work with your ECU & wiring harness.  Their engine price will give a useful ceiling cost, to suggest to your garage as a maximum repair budget for repair and reassembly of YOUR engine, after they have removed the cylinder head.  I would suggest that once the head is off and examined, they SHOULD be able to give a firm quote for repair & rebuild.
 
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Replied by Notanumber on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208902
+1 for EllisJo's advice on contacting Darren at Mgfntfbitz. They are excellent & honest. They also know a fair bit about K series engines and could give you some ideas to try out before swapping engines.
Being optimistic, the oil burning could for instance be valve stem oil seals rather than the rings

Wherabouts in the country are you ?

2003 TF 135 sunstorm

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Replied by judiths handyman on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208903
Give these chaps a ring, they can call out and analyse.
https://www.roughluckracing.com/servicing/
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Replied by Airportable on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208907
Rough luck gets a double thumbs up from me. However there are a considerable number of double thumbuppers out there to keep him going for a while, Jon will have a list in his little black book. Jump on soon rather than later.
If it were to be a valve stem oil seal, he & Claire would come prepared with a freshly refurbished unit to match your engine & when they leave in the evening your car will have everything miscreant item replaced & your MOT would be a forgone conclusion. Providing the catalyst is good & it’s been cooked at gas mark 70 after a hard run.
Bitz would sort you a good replacement though.
M
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Replied by c13amb on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208908
After a consultation with the garage I asked would the car be worth the investment of engine work...his response that is honest is due to the unknowns when entering the dissasembley , will it all come apart easily enough for starters due to possible broken or seized parts , and the second lot of welding that he has just completed he recommends I put my money in to another one.
Therefore I will be trying to sell it as is or break it up as it has many good parts on it that I will mention eventually when I get sorted. Disappointing as it is he reckons that the rot underneath may make the engine investment not worth while in 12-18 months.

Some attached pics of her🙁
Last Edit:1 month 3 weeks ago by c13amb
Last edit: 1 month 3 weeks ago by David Aiketgate. Reason: Inserted pics

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Replied by R40MGF on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208909
There is some great advice here, you have obviously spent a lot of time and money and it would be a shame to break it.

There are many reasons why it could fail the emissions test but if you're not getting smoke from the exhaust then I wouldn't think that the engine was your problem. 

A bad sensor or cat could be your problem. 
by R40MGF
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Replied by Airportable on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208913
I think it escapes those whose formal attire is a boiler suit & a manicure happens when your hand gets trapped under a poorly supported chunk of Abingdons finest. The cost of professional services, particularly on an ageing car could easily outweigh the vehicles value.
I acquired my tf due to the original owner not wishing to spend any more money on it. After minimal work it proved to be a great car.
The continuing depression in tf prices can lead to the vehicles dissolution (a gentlemanly euphemism for scrap) & just looking at the pictures might create interest in the wheels, four pots & discs. It wouldn’t take long for those items, If in good condition, to be more valuable as parts than if they were attached to a car for sale
I know that this is contentious, so don’t mutter your displeasure at my comments to yourself, become that “keyboard warrior” you always knew yourself to be & bollock me for my heretical thoughts, if you do wish.
M

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Replied by Cobber on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208914
I wouldn't be too hasty in blaming the engine itself either, it could be a failure for any number of reasons other than the engine itself, it needs a good diagnostic going over with a check to see if the Pscan throws up a fault, further checks on compression  exhaust manifold pressure etc, are essential before condemning the engine or car for that matter.
Most problems seem huge until you actually find what it is that has gone wrong, the trick is zeroing in on the source of your woes, now it's easy for me to say all this from the other side of the world, but it's a pity that I can't see the car for myself.

But blaming the head gasket with out any evidence, that it is the cause is a bit like blaming a broken leg on a heart attack, out of context , it makes no sense
 the heart attack may have set in train a series of events that resulted in the broken leg, but without any evidence to prove it.....there is bugger all to link the two!

Which reminds me of something that happened here in Oz back in the 60's at the Bathurst endurance race, one of the cars had an obvious case of the engine doing an impression of a had grenade going off, with a huge cloud of oil smoke, oil all over the place and a nice mix of engine internal allsorts deposited upon the track.
The TV commentator interviewing the driver asked what had gone wrong? the driver replied dryly that the alternator fell off! The bloke from the telley was incredulous and asked how that could cause the the spectacle witnessed, the driver replied that the conrod let go, punching it's way out of the engine block, knocking the alternator off!

"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"

Last Edit:1 month 3 weeks ago by Cobber
Last edit: 1 month 3 weeks ago by Cobber.
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Replied by generous_dad on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208916
Here is a view without knowing the details.

I have a good relationship with a very reliable nearby garage who is happy to do work on our cars or just an MOT with the same customer satsifaction.
They even encourage me to do my own work on our cars.
My TF failed on emissions and it has an after-market "short" CAT.
My mistake was to present the car relatively cold. The water was up to normal but the engine itself was not.
The garage principal told me that many modles of car suffer from the same problem. They are fine when fully warm.

Could this cause help you pass?.......

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Replied by Pharg55 on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208917
I would try the actions mentioned earlier, and maybe a cylinder compression check. See if there's a lot of coming from the crankcase breather (Sign of piston ring blow by) Are the plugs getting oily? Is the engine using oil?
by Pharg55
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Replied by R40MGF on topic Cost of engine rebuild...what should I do?

Posted 1 month 3 weeks ago #208918
Could you post the results of the emissions test? Someone on here maybe able to point you in the right direction. 
by R40MGF
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