The Italian mistress (Gransport Spyder 2006)
- Thread starter Church of Noise
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Church of Noise
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Could very well be, or the oil pressure issue appeared and that's what they were trying to fix.
I am unclear as to where the (potential) overheating comes into the picture...
Oneball
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Overheated, ran main bearings, oil pressure dropped off, stick ATF in to increase oil pressure. Can’t have been hot for long or it’d be worse. Maybe forgot to refill coolant or something.
Church of Noise
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part 7 - "Maserati has a history of beautiful sports cars and racing triumphs [...] The one constant? Drama"
(quote: Stephen Bailey, "From the sublime", The Road Rat issue 11)
In the mean time, the engine has been cleaned (looks brand spanking new!) and measured up.
Despite the title of this post, things are in fact not dramatic, and progress is exactly what I'd expect and hope for at this point.
The good news is
Most parts for the rebuild are ordered in the mean time, with the following topics still open:
Additionally, when the opportunity arises, opportunities for sensible improvements can be considered...
(quote: Stephen Bailey, "From the sublime", The Road Rat issue 11)
In the mean time, the engine has been cleaned (looks brand spanking new!) and measured up.
Despite the title of this post, things are in fact not dramatic, and progress is exactly what I'd expect and hope for at this point.
The good news is
- Beyond main/big end bearings, no damages or out of spec dimensions for bearings (incl small ends - these are apparently 'as new')
- Main bearings will likely be able to be replaced by standard sized items and crankshaft needs no work (maybe a polish, not sure) so will be easy to source, and tolerances will be as per factory
- Valve guides need not be replaced, only needs the valve stem seals
- Nikasil liners look good
Most parts for the rebuild are ordered in the mean time, with the following topics still open:
- Piston rings: Given that this engine has seen 60k miles (maybe more) and it is open now, it seems sensible to replace. Problem is that these appear very expensive for what they are (~200 eur per cylinder!). As I am not a powerfully built director (copyright pistonheads), @A.S. Motorsport is on the hunt for a 'better' solution
- Variators: As the engine is out, it could be considered smart to replace these, especially as there has clearly been an oil-related issue on the engine. On the other hand, they might be fine. No way to know now, so do we replace these? Not sure yet, as I don't want to do this in "1 month" and have to dismantle and rebuild everything required for it again, while on the other hand, these babies are not exactly cheap and (see above point about not being a powerfully built director), I am keeping an eye on budget as well. Answers on a postcard?
(btw, is there an 'improved' version of variators that anyone knows of?) - Oil pump: if this one proves to be OK, which it seems to be, do we install the new one or not? Again not a cheap part, and I'm all for doing things properly, but need to think if it actually makes any sense.
Additionally, when the opportunity arises, opportunities for sensible improvements can be considered...
Alan Surrey
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Thanks for keeping these posts coming.
Glad the damage seems to have been less than it easily could have been.
You're going to have a lovely GS Spyder on the road soon
Best wishes for smooth completion of the remaining work.
Glad the damage seems to have been less than it easily could have been.
You're going to have a lovely GS Spyder on the road soon
Best wishes for smooth completion of the remaining work.
Black Mazerati
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Maybe replace the seals in the oil/waterpump?
Motorsport3
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Go for it, go all in, you don't want to revisit this kind of work.
Pretty sure I remember seeing a rebuild kit for the water/oil pumps- from the US if memory serves...Have a search on eBay. Sadly, I inadvertently deleted tye link from my watched list so i dont have the link any longer..
Id be tempted to do variators and oil/gas bag- funded by keeping your (good?) oil/water pump and selling on the new unit you have. If indeed this is how it is ...Being NLA, you'd probably get good money for a new unit..?
How come it didnt smoke like forest fire with stem seals burnt to a cinder...?
Id be tempted to do variators and oil/gas bag- funded by keeping your (good?) oil/water pump and selling on the new unit you have. If indeed this is how it is ...Being NLA, you'd probably get good money for a new unit..?
How come it didnt smoke like forest fire with stem seals burnt to a cinder...?
Church of Noise
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Agreed on the points made regarding doing it properly, no point in trying to cut corners now anymore.
At the same time, that doesn't mean some sensible decisions can be made. It's all a matter of balance.
On your point @TimR , no clue why, I was wondering the same thing. Definitely didn't notice during the test drive, nor when it was idling...
At the same time, that doesn't mean some sensible decisions can be made. It's all a matter of balance.
On your point @TimR , no clue why, I was wondering the same thing. Definitely didn't notice during the test drive, nor when it was idling...
spkennyuk
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There was a rebuild kit available for the water pump. I may have a link somewhere. Pretty sure it was listed as a Ferrari water pump rebuild kit.
spkennyuk
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MASERATI 4200GT COUPE QPORTE SPYDER GRANSPORTE 2001-2007 WATER PUMP REBUILD KIT | eBay
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Church of Noise
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Thanks for the suggestions - strongly appreciated!
Given that the engine is apart, it seems advisable (as mentioned above) to replace the piston rings.
Now it seems these cost the equivalent of 150 GBP per set per cylinder, which seems absolutely ridiculous.
Is there any other source that could bring that to an acceptable level?
An alternative would be to skip replacing them, but I don't think that's the right choice, taking the big picture into account. (although they do apparently look absolutely fine...)
Given that the engine is apart, it seems advisable (as mentioned above) to replace the piston rings.
Now it seems these cost the equivalent of 150 GBP per set per cylinder, which seems absolutely ridiculous.
Is there any other source that could bring that to an acceptable level?
An alternative would be to skip replacing them, but I don't think that's the right choice, taking the big picture into account. (although they do apparently look absolutely fine...)
Church of Noise
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What's tough is adding another 1200 GBP (on its own not an entirely insurmountable number) on a total bill that's already very substantial (and intensely more so than was estimated when buying the car) for something that should cost a lot less (the price of the rings has no bearing on their complexity or materials used), while not even knowing if they require replacing in the first place. The bearings, those are very clear cut. These, who knows?
So indeed, what you are saying @DLax69 .
On the other hand, looking at the big picture, not changing them (and taking into account that in the total bill, they do not represent a significant percentage whatsoever) while the engine is out and open seems very unprudent. Imagine doing all this effort and then something goes wrong with these.
Apologies for venting, I've not been sufficiently at the receiving end of what this car has to offer (I'd say around 20 miles in total), while being very much at the receiving end of the sacrifices it demands in return.
So indeed, what you are saying @DLax69 .
On the other hand, looking at the big picture, not changing them (and taking into account that in the total bill, they do not represent a significant percentage whatsoever) while the engine is out and open seems very unprudent. Imagine doing all this effort and then something goes wrong with these.
Apologies for venting, I've not been sufficiently at the receiving end of what this car has to offer (I'd say around 20 miles in total), while being very much at the receiving end of the sacrifices it demands in return.
Just decide where you want to be with it....It’ll always owe you money Im afraid.
If it’s only a small part of the bill....you should just pay it. Maserati parts pricing pi55es us all off. At least that is never likely to change..!
You could swap a used lump in for @£5K. Job done
If it’s only a small part of the bill....you should just pay it. Maserati parts pricing pi55es us all off. At least that is never likely to change..!
You could swap a used lump in for @£5K. Job done
DLax69
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Hey, Alex...no apologies needed, at all. Totally get it. I think you were actually overdue, all things considered. I apologize for coming across as flippant; was first verifying my recollection/read through of this entire thread to be sure I hadn't missed something...