RV8 v AMG 5.5

[DonkeyApple]

As an interesting aside triggered by the AJP conversion covered in Sprint, can anyone confirm my initial research that the AMG engine is actually smaller than the RV8?

[GTRene]

would be interesting to see someone put such engine into a TVR.

what 5.5 are you thinking of?

the NA version say from a SLK or the supercharge 5.5 or the new biturbo 5.5.?

[DonkeyApple]

One has been put in a Cerb but it looks like it is a smaller unit than the rover which looks interesting.

I think the biturbo would be excessive.

[EGB]

Merceides E55, 469 bhp. 5.4 L, Alloy engine, super charged. In TVRCC Sprint magazine. Engine transplant into Cerbera.

[msmith0592]

EGB said:

Merceides E55, 469 bhp. 5.4 L, Alloy engine, super charged. In TVRCC Sprint magazine. Engine transplant into Cerbera.

They put the non supercharged version from the previous E55.

[EGB]

Correct. 354 bhp. Enough.

[GTRene]

is there more to find on the web about that cerbera transplant? or only in the sprint magazine...
did they use the normal TVR exhaust? how did it sound
normally those engines sound great me thinks.

It would be a bit more expensive I guess, but then you have something nice/different.

also saw some very nice headers which did not need much room with some V8 conversion, but can't find the picture back on my PC, I have to many car/TVr pictures...grr

[anonymous-user]

Think the key point was that it was an older normally aspirated SOHC version of the engine.

[N7GTX]

GTRene said:

is there more to find on the web about that cerbera transplant? or only in the sprint magazine...
did they use the normal TVR exhaust? how did it sound
normally those engines sound great me thinks.

It would be a bit more expensive I guess, but then you have something nice/different.

also saw some very nice headers which did not need much room with some V8 conversion, but can't find the picture back on my PC, I have to many car/TVr pictures...grr

Its all in here from the Cerbera forum.

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

[GTRene]

thanks, I never look in the Cerbera forums, sadly in that thread there's not much to see, only some mention off
but I like the idea of a AMG V8 in a TVR as some special.

[7 TVR]

I had a 4.8 AMG in a CL and it made the RV8 look small, it also looked allot bigger than the AMG Lump in sprint!

[dvs_dave]

How does the supercharged version compare size wise? I presume it's taller but no wider? Would it still fit? There's factory versions of this engine that go up to 620hp in the SLR.

Would it fit in a t-chassis car?

How does the JLR 4.2 v8 supercharged compare size wise? These are a fair bit cheaper than the AMG units.

[DonkeyApple]

dvs_dave said:

How does the supercharged version compare size wise? I presume it's taller but no wider? Would it still fit? There's factory versions of this engine that go up to 620hp in the SLR.

Would it fit in a t-chassis car?

How does the JLR 4.2 v8 supercharged compare size wise? These are a fair bit cheaper than the AMG units.

The later AMG units which I think account for the biturbos are DOHC so wider at the top. Jag units have a similar issue that the DOHC set up does make them wide.

I think the key to the earlier AMG 5.5 is that it is sOHC.

[N7GTX]

Do you need a bigger bulge?

[dvs_dave]

DonkeyApple said:

The later AMG units which I think account for the biturbos are DOHC so wider at the top. Jag units have a similar issue that the DOHC set up does make them wide.

I think the key to the earlier AMG 5.5 is that it is sOHC.

The supercharged version is the same SOHC 3valve per cylinder engine so I suppose it would fit.

[DonkeyApple]

dvs_dave said:

DonkeyApple said:

The later AMG units which I think account for the biturbos are DOHC so wider at the top. Jag units have a similar issue that the DOHC set up does make them wide.

I think the key to the earlier AMG 5.5 is that it is sOHC.

The supercharged version is the same SOHC 3valve per cylinder engine so I suppose it would fit.

Yes. I carried on looking into this last week and realised that between the old SOHC 55 and the latest biturbo DOHC 55 the Kompressor was on the M113 (M155) engine not the current M278 range.

Looking at pictures it seems incredibly compact and if the NA would fit I think the Kompressor would also. However the Mercs run with twin charge coolers so there could be issues with space for them.

I think you'd also have to junk the whole drivetrain and beef it up considerably and that's a lot of money to just go flying off into the trees at the first corner.

[macdeb]

DonkeyApple said:

that's a lot of money to just go flying off into the trees at the first corner.

[GTRene]

[900T-R]

macdeb said:

DonkeyApple said:

that's a lot of money to just go flying off into the trees at the first corner.

My thoughts exactly.

However the N/A, SOHC version does sound appealing - especially as they're in a generation of cars that's in all probability - at least in the UK market being rendered uneconomical to repair when any serious electronic or body rust issue crops up.

[900T-R]

Oh and in a Cerbera it sort of has a historic precedent too, as Woking used a Cerb body for the McMerc SLR development mule.