NEW OWNER 4.5 AJP V8
Discussion
Good Grief Mossey,
I do hope that the Cerb lives up to your heritage
At the top of the Cerbera forum is a thread "List of TVR Cerberas owned by PH members",
It starts with instructions on how to update it.
No-one is a bigger Dullo than me so never be afraid to ask anything
P.S. That is ONE, BEAUTIFUL example
I do hope that the Cerb lives up to your heritage
At the top of the Cerbera forum is a thread "List of TVR Cerberas owned by PH members",
It starts with instructions on how to update it.
No-one is a bigger Dullo than me so never be afraid to ask anything
P.S. That is ONE, BEAUTIFUL example
Sigilobaphomet said:
No idea how to update owners list?
On a mission to iron out the 1800rpm stutter!!!
Previously T339 JTR if the previous owner is on here please get in touch!
Looks very nice! On a mission to iron out the 1800rpm stutter!!!
Previously T339 JTR if the previous owner is on here please get in touch!
If you work out what to do with the owners list let me know
What ECU do you have? I've had an Emerald in the 4.5 for many years now & after a lot of messing about getting it running as nicely as possible I'm left with that annoying stutter at around 2,000rpm
I've had so many other problems over the last ten years I've forgotten if it used to have that stutter there when it was all original and a lot newer (we've had it for 24 years now).
I can't decided if I've just made it so smooth above & below that stutter it's more notable, or if it's just worse now.
I think Joolz has mentioned over the years that it is a problem area for them.
I'm assuming its something to do with the way the fuel sprays at the back of a closed butterfly on the 4.5 - at some point it has to transition from puddled fuel getting re-vaporised by heat & vacuum to the spray from the injectors making it round the small gap a the edge with out dropping out of suspension as a mist / spray.
I don't think it was as noticeable when I had decats & was running an AFR of 13.8 there, it seems a lot worse with the Cats back in & the mixture targeting 14.7 (as it would do in a standard MBE). I'm just in the process of trying it a little richer in that area again now, it seems a little better but I'm not sure how rich I can go with Cats in.
I tried a large range of ignition setting at that point but it made no difference (with a cat friendly mixture).
The 4.2 has its injectors on the more normal engine side of the butterflies so they just spray at the back of the intake valves all the time with no obstructions. I've got one sat here waiting to get rebuilt, the last one I did with 4.2 inlets was very noticeably much better at the 1800 - 2200 kind or area.....
TwinKam said:
FarmyardPants said:
Start by fitting another earth between the battery -ve terminal and the rocker cover
Rocker cover?...
. I measured a good few Ohms resistance between the two, so put a cable between them as a test - it fixed my lumpy idle and the car ran noticeably smoother. I left it there, although I agree the battery-chassis and chassis-engine earths should be fixed properly at some point. It runs under the airbox so quite discrete. I am famous for my bodges Worth a try anyway.
Sigilobaphomet said:
On a mission to iron out the 1800rpm stutter!!!
Edited by FarmyardPants on Sunday 15th September 08:26
FarmyardPants said:
TwinKam said:
FarmyardPants said:
Start by fitting another earth between the battery -ve terminal and the rocker cover
Rocker cover?.... I measured a good few Ohms resistance between the two, so put a cable between them as a test - it fixed my lumpy idle and the car ran noticeably smoother. I left it there, although I agree the battery-chassis and chassis-engine earths should be fixed properly at some point. It runs under the airbox so quite discrete. I am famous for my bodges Worth a try anyway.
Sigilobaphomet said:
On a mission to iron out the 1800rpm stutter!!!
My (pedantic) point was that your car has no 'rocker covers'... Edited by FarmyardPants on Sunday 15th September 08:26
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