Powers 4.5Super Sports & Anti Knock MBE Timeline

[Incognegro]

Jhonno said:

Andy_mr2sc said:

Just read this. A standard healthy 4l produces 350/360hp atf. Apart from the extra 500cc and refined management, what else is done to the engine to achieve a ~33% power gain? Bearing in mind these engines are in a relatively high state of tune from the factory, that's quite a power hike.

I think the key is, it seems the Powers dyno would read 360bhp @TW for a standard one.. So would probaly be more like 15% gain.

Best way to answer any of this is the standard 4L from factory using weaker heavier parts was strong but even the Powers 4L rebuild (which I had done to my fathers Cerb was instantly better).

Now the 4.5 using significantly more lighter and stronger parts (which in themselves add efficiency) added to the increase of capacity seems to make these higher figures. Perhaps the figures lie but none the less they were the figures produced so please don't question my sanity lol

Now onto the driving, ever been on the road in your standard s6 and you floor it in almost every gear looking for the limits?? Probably

But that for me is the big diffence as I am in a state where I don't want to go anywhere near the limits of this thing (CERTAINLY ON THE ROAD) as it really is a different ball game now. I suppose a side by side test is the only way to demonstrate/test then you get the argument of oh turn tics off or you had sticky tyres etc

As Chris W says the money spent for 15% is not about the figures being doubted but the total package involved (effectively a new car) but then the alternatives: 1) pay significantly more for one of the LS crates??? they are very strong but not for me thanks and that i wanted from my TVR! 2) Pay significantly more again for the New Breed TVR? With the way its gone in build up and what I would potentially get I decided to save and invest in my beloved Cerb and well the performance increase in the car I love is there for me to see.

Im not trying to push anyone towards Powers other than show them what a Powers upgrade has done for me. Pretty much the same as the LS or FFF write ups.

[Incognegro]

It's a lot of fun to drive.

I'll be leaving this one here!

Don't shoot the messenger as they say, figures are what was produced on the dyno and the calculations made I "thought" was logical?

Oh and it's a lot of fun to drive

[Incognegro]

Totally agree Chris.

The savings over the LS were MASSIVE but ultimately if I had ever wanted a V8 I would have got the ajp (in the first place). For me the S6 was a choice and it's the "British" racing engine.

This was never about which engine to get or a pissing contest for that matter it seems quoted figures and a produced graph rub insecurities

I'm now looking at heat shielding more of the individual components (battery/starter etc) as in my early experiences of restoring all heat shields to bulkhead and inner wings is that the heat is no longer absorbed or able to penetrate those areas so rather than getting out they are contained in the bay for longer thus meaning the parts are exposed to the heat for longer.

[Incognegro]

Classic Chim said:

I raced a Suburu with 300 Bhp which is what my Chim has, we were neck and neck. I raced a tvr with 320 bhp he was ahead of me all the way by a few ft/yards
The power figures and your times reflect clearly your power output as well as the drivers ability.
This is why I did drag racing, I wanted to compare against other known hp cars, it all correlated exactly as I'd expect.
12.603. 250 hp yeah right!

Edited by Classic Chim on Monday 21st August 13:45

I look forward to learning the drag racing scene with you and your pals (if allowed) the best comment you make re toning down for the road. That ultimately is what my car is about, when I do drag tyres pressures will be untouched and left at the road recommended of 28psi reason being that's where I will be enjoying the car most so I want to know what it does in that guise. I will alter for track as a safety and not for time chasing.. hell I might even have the windows down and the system up some days lol

[Incognegro]

Cheers all but yep lets take the *dyne talk off. No readout before was due to being prepped dom noticed excess oil he then investigated and saw the cracked liners and block damage... he then advised he really didn't want to as he feared it could all go bang over the RR no just burn through oil the way it did. (pics are early in the thread).

Totally mental and a great drive... numbers or not that was what was produced. I am very happy and the drive just gets better and better. it really has become a real daily capable car (once i sought this current drain/Redtop issue). My 1st trackday in the car ever (not including britcar24 formation lap at Silverstone) comes in december. hopefully will be dry but if not TCS will be turned ON strong!

Edited by Incognegro on Friday 1st September 11:26

[Incognegro]

After further testing on my Redtop... the battery is fine. so that points to either a lurking parasite or my cute charger not being able to fully charge and or the eyelet indicator is showing faults.

New ctek 5.0 ordered anyway as the 4003 is now 6yrs old

Hopefully I can have a cured car with new DRLs fitted sometime next week.

[Incognegro]

mk1fan said:

What day are you doing?

Rockingham unsilenced

[Incognegro]

After lots of fiddling with the app all sensors wanted now showing realtime values/data

Edited by Incognegro on Sunday 10th September 14:40

[Incognegro]

Very nice run down to N Garner open day and lots on display there. Gasket on race proved cam cover is well and truly gone so plumes of smoke were more frequent and some now even coming up through the gearstick area.

An original found and being fitted on Wednesday which excites me as that will make me just feel easy. Now going back to the driving experience... the Rev limit buzz I’ve had set at 6800rpm (to give me time to change without bottoming or losing power) this thing gets there at with alarming ease and only been to 6k in 5th while screaming hell!

What’s usable on the road makes this car so easy to drive as it requires very little effort... my everyday driving setup is with t&cs set to allow 10mph wheel slip however I have noted I tend to sense the slide before it cuts in so I have flicked it to 6mph

Would I recommend the 4.5?.. if you want a better package and more potent car YES,

[Incognegro]

Hi Phil, totally correct. I wanted a s6 Cerb and when mine came to rebuilding I considered the LS but then did realise I never wanted the v8 and the s6 was my choice so the ajp argument never really does much for me.

The 4.5 really is a new level of the S6 experience in a easy living way as after all the upgrades the chore of having to drive just seems removed in that you get in it and go but never feel like you have to search for how epic the performance is. I remember after the run in and oil change I got in the car and was driving normally while thinking wtf I need to slow down and use less pedal then realised I wasn’t doing anything different to normal. No need to change down a gear as this thing pulls from anywhere.

Drop me a pm and we can talk the minor details further