Broken Crank Shaft
Discussion
itsallyellow said:
The 4.7 is more drivable, has more power and has more torque.
There is not one thing a 4.5 does better than a 4.7.
I have lots of experience of both engines. I now have 4 cars with 4.7 AJP’s and one with a 4.5
Mike
This is absolutely correct, the difference is amazing for just 200 cc increase.There is not one thing a 4.5 does better than a 4.7.
I have lots of experience of both engines. I now have 4 cars with 4.7 AJP’s and one with a 4.5
Mike
The 4.7 is better in every respect.
DuncanM said:
Gruffalo your Cerbera sounds incredible! Smiling from ear to ear reading about it .
OP, good luck with your repair
Thank you, it has been a 13 year program with the aim to make it as good as it can be, I think I am there now.OP, good luck with your repair
Upgrades and on going maintenance over the years are probably nudging 6 figures however but worth every penny.
gruffalo said:
Thank you, it has been a 13 year program with the aim to make it as good as it can be, I think I am there now.
Upgrades and on going maintenance over the years are probably nudging 6 figures however but worth every penny.
I consider the Cerbera as one of the greatest cars ever made (yes I'm bias ) - you must have one of the finest examples on the road, so, worth every penny indeed . Upgrades and on going maintenance over the years are probably nudging 6 figures however but worth every penny.
Sorry to hear about your engine!
Is there any way of telling whether you have the earlier small crank or is it just a case of hope for the best?
I'm potentially looking at a may 97 registered car and want to know how likely it is.
I've tried searching forums and some mention the dipstick position as a tell. Any light on this?
Is there any way of telling whether you have the earlier small crank or is it just a case of hope for the best?
I'm potentially looking at a may 97 registered car and want to know how likely it is.
I've tried searching forums and some mention the dipstick position as a tell. Any light on this?
Dave0 said:
Sorry to hear about your engine!
Is there any way of telling whether you have the earlier small crank or is it just a case of hope for the best?
I'm potentially looking at a may 97 registered car and want to know how likely it is.
I've tried searching forums and some mention the dipstick position as a tell. Any light on this?
No definite way of telling.. Is there any way of telling whether you have the earlier small crank or is it just a case of hope for the best?
I'm potentially looking at a may 97 registered car and want to know how likely it is.
I've tried searching forums and some mention the dipstick position as a tell. Any light on this?
As Thomas' was an early early 4.2 it had the small journal crank that suffered with the cracking issues. A '97 will be the later better version.
Dave0 said:
Sorry to hear about your engine!
Is there any way of telling whether you have the earlier small crank or is it just a case of hope for the best?
I'm potentially looking at a may 97 registered car and want to know how likely it is.
I've tried searching forums and some mention the dipstick position as a tell. Any light on this?
There’s been some crank failures over the years, but very few.Is there any way of telling whether you have the earlier small crank or is it just a case of hope for the best?
I'm potentially looking at a may 97 registered car and want to know how likely it is.
I've tried searching forums and some mention the dipstick position as a tell. Any light on this?
Of the various concerns when buying a 97 Cerbera, the crank would be quite low down the list for me.
Mines been zooming round for 25 years and 69k miles. If it snaps now, I feel I’ve had my money’s worth out of it
Jhonno said:
thomas.moeller said:
Mine is a 1996 and orginally fitted with the early version crankshaft. Unfortunately, I don't know when the upgraded version was rolled out, but I suspect it was when the 4.5 was released.
It was in '97 at some point.. Chimp871 said:
check the sump plug. if it has 2 then it's small journal IIRC, not YMMV but somewhere to start.
Mine has one sump plug...Davo23 said:
Byker28i said:
Mine has one sump plug...
And yours went and needed a rebuild?Were there any signs beforehand or particular circumstances that led to it?
TwinKam said:
Davo23 said:
Byker28i said:
Mine has one sump plug...
And yours went and needed a rebuild?Were there any signs beforehand or particular circumstances that led to it?
Brass Valve guides and chrome valves apparently on the early builds. Turn the heads upside down and two of the valves fell straight out. Put them back in and they rattled around... Compression was down 20% ish on 2 cylinders, so decided to get it fixed before it got worse. No sign of burning oil
Then, you know me, whilst everything was apart I decide to refresh everything whilst it was apart so it wouldn't need doing for ages... unfortunately that included the crank, because the 3 recognised builders wouldn't warranty it without changing to the later crank. No point spending all that money without using one of the credited builders, and without a warranty...
Then, you know me, whilst everything was apart I decide to refresh everything whilst it was apart so it wouldn't need doing for ages... unfortunately that included the crank, because the 3 recognised builders wouldn't warranty it without changing to the later crank. No point spending all that money without using one of the credited builders, and without a warranty...
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