Speed Six Rebuild: Power 4.3 or 4.5?

[DonkeyApple]

Gazzab said:

So do we have a proven s6 over 400 bhp that knocks most ajp's into the weeds?

http://www.pistonheads.com/gassing/topic.asp?h=0&f=7&t=1090598&nmt=

[Don1]

DonkeyApple said:

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

Fixed!

[DonkeyApple]

Don1 said:

DonkeyApple said:

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

Fixed!

Is it relevant to add the 436bhp and 350lbs Tuscan demo to that?

[Don1]

To be fair we'd need to get Doms Sags numbers out as well. I think they were in EVO? They are both representative of the tuners.

[Don1]

Also, should we put an approximate cost field as well? So people can understand the £/bhp?

[RedSpike66]

Don1 said:

Also, should we put an approximate cost field as well? So people can understand the £/bhp?

You know what Don, that would be a really good idea, as whilst 'standard' 4.0, 4.3 and 4.5 Power rebuilds have a published price, only those like yourself know the price of an FFF option even if it includes extras like Syvvecs

Another column saying what warranty you have aswell would be very informative and helpful for prospective purchasers, even tho every case is an individual case between the customer and the garage....

[T40ORA]

Don1 said:

DonkeyApple said:

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

Fixed!

Nice looking at those figures. Most pleasing. I'll add the relevant details as soon as I get mine back.

[DonkeyApple]

RedSpike66 said:

You know what Don, that would be a really good idea, as whilst 'standard' 4.0, 4.3 and 4.5 Power rebuilds have a published price, only those like yourself know the price of an FFF option even if it includes extras like Syvvecs

Another column saying what warranty you have aswell would be very informative and helpful for prospective purchasers, even tho every case is an individual case between the customer and the garage....

Even those costs vary though.

The problem with costs is that you then need to detail the work done as each customer tends to differ as to where they draw the line.

It's one of those bits of data that is only useful if there is lots of other data.

What will be useful going forward is the info from Charlie that the Power at the wheels numbers are essentially in line with SRR fly numbers. This snippet gives a clearer understanding.

[Don1]

DonkeyApple said:

Even those costs vary though.

The problem with costs is that you then need to detail the work done as each customer tends to differ as to where they draw the line.

Yes, sorry - maybe not the best idea. With my build, as I was doing so much to it, RG offered discounts in some areas of 'extra' work, that might not be applicable to someone who is doing a smaller build. As you were then chaps!

[Incognegro]

sidewayz said:

Tvr Power said:

There is NOT one 4.3 or 4.5 customer complained about lack of power, any owners of our packages including STD builds please feel free to comment !

Dom

Happy to oblige Dom. 4.3 upgrade. Substantial increase in power and torque. Acceleration higher than my old 4L Tuscan S.
Very smooth, linear power,revs like a nutter. Warranty gives great peace of mind and let's me enjoy the
Performance.

How was the 4.3 Sidewayz? Just email Dom I'm going 4.3 in my Cerb in the new year really looking forward to it just before then I'll be putting in some of Brummies 305mm grooved discs!

[OldandGrumpy]

Excellent. Very different in character to the 3.6 in that the torque dominated the performance for me. Loads of grunt from low down making it feel a lot faster, which in fact it was. Acceleration was always entertaining. The engine was also a lot smoother. It lost the sewing machine noise and with no mods to the exhaust sounded deeper.
Some have reported a loss of it's ability to rev like a nutter but to be honest I thought it was fine, perhaps a tad less quick round the rev counter but I would be lying if I said I could be certain it was slower. The step in acceleration at the top end is still there and it surges forward just like a 3.6.

I had absolutely no worries about the engine which remained flawless. I beleive the new owner is using the car in hill climbs and from what I have heard he is very pleased with the car ( appart from the Ohlins, but that another story) .

I now have a lovely mk 2 Tuscan with a 4.0 in S Spec. It's a great engine. However it is not a Power Speed Six. It is noticeably noisier at the top end, nothing wrong with it but the sewing machine sound is back. It pulls like a train but it's not as fast as the 4.3. I have a mind to a 5 L when funds allow.

I am certain you will not regret a Power build no matter which one you go for.

Oh, and I have changed my name to reflect age and temperament : )

Edited by OldandGrumpy on Tuesday 5th August 20:41

[Incognegro]

Thanks for the brill response mate. I'm currently in the 4litre speed 6 (rebuilt standard by power under previous owner) I can image the 5L being nuts especially when I talk to Dom about it but I'm wanting the 4.3 as I think anymore may be unusable or unnoticed on the roads.

Interesting to hear about the noise aspect I have the full ACT sport/decat set up but more engine grunt is welcome. Hi end revs is brill on this engine so I'm hoping the 4.3 is the same with more lower torque. Hearing your feedback I'm more excited as smoothness is always welcome and being on some lovely set Nitrons and SP12s i can't wait for April 2015 (should have it run in and tappets done ready for LeMans).

What's top speed increase do you think and are we in the sub 4secs 0-60?.. Against a 4.5AJP does the 4.3SS win?

Cheers pal

[OldandGrumpy]

Hiya

Glad i could help. On the details of the performance you need to know I had a 'short' diff put in the year before so it was 'quick' Dom does not recommend this and to be honest is not needed, the 4.3 has plenty of thrust without the diff change. Having said that yes sub 4 seconds is available with the 4.3 . I am going from memory here but I beleive the TVR 4L in a Tuscan S is just sub 4 so a 4.3 will be assuming a good launch method. This is an important caveat because wheel spins are easy : )

I can't comment on the 4.5 because I have never owned one but in essence it's more of the same and there is no reason why it would not be just as reliable as a 4.3. Dom really does screw together a good engine.

Good for you on the SP12's. I have them on my t350 and they transformed the ride. I understand the Cerbera always had forgiving handling ( unlike the Tuscan) so a 4.3 with sp12's and Nitrons should be a very good upgrade. Lovely colour by the way.

Old

Edited by OldandGrumpy on Friday 8th August 18:13

[Incognegro]

Thanks again mate,

Deffo going 4.3 I wont be using a short diff leaving car as is. Doms Engines are great had a standard build done to my dads Cerb and the car is actually usable consistently.

Cant wait to get the 4.3 done... keep AJPs quiet and anyone else lol. Apart from seasoned other 4.3 users. Gonna sort my brake setup now so ill be comfortable with them when the lump goes in.

Cheers

[billynobrakes]

I have Doms 4.5 and it is awesome so much better then the 3.6, not as noisy and clattery, your not up and down the gears and no need to rev the nuts off it to get it going, you can plod around town in it and sit on a motorway and it just burbles along with ease but when you put your foot down it just takes off, my one is kicking out 414bhp and 368lbft of torque see graph,

I have just upgraded brakes to the 330mm grooved discs with Carbone Lorraine pads and so much better than the original set up, you can feel the brakes and they give you more confidence as well

You will not be disappointed in the 4.3

[WolfyJones]

billynobrakes said:

I have Doms 4.5 and it is awesome so much better then the 3.6, not as noisy and clattery, your not up and down the gears and no need to rev the nuts off it to get it going, you can plod around town in it and sit on a motorway and it just burbles along with ease but when you put your foot down it just takes off, my one is kicking out 414bhp and 368lbft of torque see graph,

I have just upgraded brakes to the 330mm grooved discs with Carbone Lorraine pads and so much better than the original set up, you can feel the brakes and they give you more confidence as well

You will not be disappointed in the 4.3

That looks like a good one, any extras and does it still rev over 7k?

[Incognegro]

WolfyJones said:

billynobrakes said:

I have Doms 4.5 and it is awesome so much better then the 3.6, not as noisy and clattery, your not up and down the gears and no need to rev the nuts off it to get it going, you can plod around town in it and sit on a motorway and it just burbles along with ease but when you put your foot down it just takes off, my one is kicking out 414bhp and 368lbft of torque see graph,

I have just upgraded brakes to the 330mm grooved discs with Carbone Lorraine pads and so much better than the original set up, you can feel the brakes and they give you more confidence as well

You will not be disappointed in the 4.3

That looks like a good one, any extras and does it still rev over 7k?

Wowser that's awesome! I'm also going for the CL setup but only the 305mm upgrade as I have 4 bolts. As the car weighs so little the much larger disc I hear is not a necessity but they do look absolutely beautiful. For the extra costs and bits needed ill just stick with the 305mm upgrade.

Do you mind me asking the 4.5L rebuild cost, as I only know of 1 5litre super sport rebuild (Doms Sag) I can't think of anyone who can touch you, but a new 4.3Cerbera in April may try

[Don1]

billynobrakes said:

I have Doms 4.5 and it is awesome so much better then the 3.6, not as noisy and clattery, your not up and down the gears and no need to rev the nuts off it to get it going, you can plod around town in it and sit on a motorway and it just burbles along with ease but when you put your foot down it just takes off, my one is kicking out 414bhp and 368lbft of torque see graph,

I have just upgraded brakes to the 330mm grooved discs with Carbone Lorraine pads and so much better than the original set up, you can feel the brakes and they give you more confidence as well

You will not be disappointed in the 4.3

Nice results - I've updated the Modified wiki - hope you don't mind.

[billynobrakes]

WolfyJones said:

That looks like a good one, any extras and does it still rev over 7k?

No extras at all, I could upgrade exhaust, air box and so on and get another few horses and a bit more toque but it's good enough for me, Sir Dom and Jason said it's the most powerful one they have built, I only wanted to have the 4.5 as I did not like the 3.6 as it was too revy to get it going compared my ajp V8 Cerb but now I love it and I have not had a chance to push it to its limits but on a race track I hit 170 and it felt like it could still keep going, I reckon it's good for 200mph plus

[billynobrakes]

Incognegro said:

Wowser that's awesome! I'm also going for the CL setup but only the 305mm upgrade as I have 4 bolts. As the car weighs so little the much larger disc I hear is not a necessity but they do look absolutely beautiful. For the extra costs and bits needed ill just stick with the 305mm upgrade.

Do you mind me asking the 4.5L rebuild cost, as I only know of 1 5litre super sport rebuild (Doms Sag) I can't think of anyone who can touch you, but a new 4.3Cerbera in April may try

Personally I did not like the original brakes and when I got the 4.5 and went on track with it, it so quick that you need to be able to stop as well, so get the best brakes you can in my opinion to compliment the engine, I would love someone with more ability to take her round a track and see what she can really do
I have Gaz Monotubes on as well and they are outstanding as well

It cost me £15500 but I had other things done, silicone hoses, lightweight flywheel, plus loads of other bits

I would say you need to budget for £13000 as you need to get it back after 2500 miles for a re-map that takes a day

Hope that helps

Last thing , it exceeds what I expected from it and just love it so much more drivable at whatever speeds than the 3.6