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Nickccc

Original Poster:

1,682 posts

278 months

Wednesday 3rd October 2007
quotequote all
You know what it’s like, you start thinking that you’ve done everything to your car and it can’t get any better.
Well as things sometime do, blowing the gearbox at Fighting Torque was it seems a blessing in disguise. It seems the gods of speed work in mysterious ways.
I already had the remote adjustable Ohlins, though Mat at Silverstone Performance had said we need to properly corner weight the car to extract the best setup, I think he had the guy from Ohlins over as well.
It was a few weeks until the gearbox was sorted, I contacted “the gearbox man” after reading about there upgraded T5.
The ratios except fourth and fifth are all changed, all the cogs are exchanged the gears are semi helical, oil mods are done and the fifth gear is enlarged, as in the standard T5 the fifth is an afterthought being halve the width of the other cogs.

I think it was Ben V8 Cerbera who posted the link to a carbon fibre prop shaft on eBay, luckily it didn’t generate much interest and I won the auction. Nice chap who sold it, he knew PW and had a few bits, there’s a cerb out there with Tuscan racer heads his old one.
Anyhow the prop shaft was dropped of to Mat and as just like that my Cerb was ready,
Corner weighed Ohlins set up gearbox and prop installed.

To say I was excited was an understatement, so wasted no time in getting off.
It was instantly apparent the new suspension and corner weighting had once again transformed the feel of the car.
We have all read the EVO write up. And whilst I didn’t agree with everything they said, the car did have a slight leaning towards under steer, nothing that couldn’t be driven around but it wasn’t right. The front wheels felt away from the chassis, you know just that little bit vague.
Well let me tell you it’s cured, what we found when setting Up the corner weighting was there was quite a bit too much weight over the back, this was remedied.
The feel is excellent, it finally feels as if there is a wheel at each corner; it’s massively predictable the back will push an inch then you have two choices. One feather the throttle and peel through the corner, or two, which is probably best reserved for tracdays, boot it and chuck in some lock then inside tyre unloads grip in a plume of tyre shredding smoke.
My car is sorted now handling wise, whilst cornering in a straight line or under breaking its rock solid.

Now the gearbox, it is quite obvious a fair bit of work has gone into this upgrade.
I did quite a bit of research before going to Bernie. T56 too heavy, plus mods to get it in.
Sequential, too expensive plus mods again.
I should not have worried; it couldn’t be better suited to the engine.
And if you think about it you’ll understand why.
The power is across the full rev range in each gear. You can hold second whereas before it would be thrashing now it’s in the meat of the power, it would have started to fall off before. There is a whine but it adds to the whole experience for me, when giving it some stick the extra noise is intoxicating.
Third is good for 130MPH and pulls real strong all the way to the limiter, I had the GPS stuff on board, it reads like this,

Obviously this was done on a closed road.
Accel results
Speed(mph) Time(s)
0-60 03.8
0-100 08.3

Accel Distance results
Distance() Time(s) @Speed(mph)
0-60' 02.2 34.1
0-1320' 12.0 118.4
0-2640' 20.6 101.3
0-5280' 41.7 78.8

The car is ballistic, and now finally sorted, I am off to the ‘ring this weekend and if the weather holds out well I intend to give it some stick
Thanks to Mat at SP I know how busy he is at the moment, but he still made time to set the car up, and you know what, he didn’t even charge me for it…..what can I say but thanks.
Oh nearly forgot the prop shaft, it’s obviously very sexy, well it is made of carbon fibre, but I guess you want to know how it feels, it spins up faster, just a little bit but you can notice it.


Edited by Nickccc on Wednesday 3rd October 14:37

Cyclone1

2,614 posts

276 months

Wednesday 3rd October 2007
quotequote all
Great write up Nick.

I must admit that I still feel a bit guilty after FT ref the Box. But it great to hear that the new box and additional mods / upgrades have yet again transformed an already top spec Cerb.

The 'Ring won't know what's hit them...........

Jules.

Nickccc

Original Poster:

1,682 posts

278 months

Wednesday 3rd October 2007
quotequote all
Jules,
don't be, I broke it. It was fifth that was lunched nothing else, I had a good look inside.
But if you do feel that bad, just send me a cheque for £1500.00.
Seriously, forget it, as I said I busted it.

SimonSparrow

1,599 posts

292 months

Wednesday 3rd October 2007
quotequote all
Good write up and very interesting. If my box ever goes, I've got my eye on one of those uprated kits too. Good to hear it whines a little - I love that sound, just like watching GT racer early on saturday morning TV a few years ago ;-)

touching cloth

11,706 posts

269 months

Wednesday 3rd October 2007
quotequote all
Nickccc said:
Sequential, too expensive plus mods again.
Pansy biggrin

M3John

5,974 posts

249 months

Wednesday 3rd October 2007
quotequote all
Nick, good write up there matey. Also nice to hear that your back on the road after the misshap at FT. Looking forward to catching up again this weekend. If we get the chance you'll have to take me for a spin round the block in that lovely car of yours.


M3J.

julian64

14,325 posts

284 months

Wednesday 3rd October 2007
quotequote all
I rekon I could say all that stuff after I'd given my car a damn good polish.

BLUETHUNDER

7,881 posts

290 months

Wednesday 3rd October 2007
quotequote all
All i can say is....Just think if all this work was done before FT.scratchchincool

Edited by BLUETHUNDER on Wednesday 3rd October 15:42

Cyclone1

2,614 posts

276 months

Wednesday 3rd October 2007
quotequote all
BLUETHUNDER said:
All i can say is....Just think if all this work was done before FT.scratchchincool

Edited by BLUETHUNDER on Wednesday 3rd October 15:42
Yes but it still wouldn't be quicker than a Merc.......wink

Jules.

BLUETHUNDER

7,881 posts

290 months

Wednesday 3rd October 2007
quotequote all
True.....

trackcar

6,453 posts

256 months

Wednesday 3rd October 2007
quotequote all
All sounds great stuff Nick .. is the box a dog clutch sequential ie can you flat upshift without lifting of the throttle or pressing the clutch?

julian64

14,325 posts

284 months

Wednesday 3rd October 2007
quotequote all
Again, I can do that in my car after I've given it a good polish. smile

Maybe I'm on the wrong thread?

Nickccc

Original Poster:

1,682 posts

278 months

Wednesday 3rd October 2007
quotequote all
trackcar said:
All sounds great stuff Nick .. is the box a dog clutch sequential ie can you flat upshift without lifting of the throttle or pressing the clutch?
Allright Jules,It's the old T5 with different internals,
http://www.gearboxman.co.uk/infot5.html
They do a direct reeplacement for the T5 in sequential format, I will probably have a look at this as the next stage.
Ah just have, it's only rated for 270 BHP, right forget that idea.
Oh first is good for 62 MPH.

BLUETHUNDER

7,881 posts

290 months

Wednesday 3rd October 2007
quotequote all
Nickccc said:
trackcar said:
All sounds great stuff Nick .. is the box a dog clutch sequential ie can you flat upshift without lifting of the throttle or pressing the clutch?
Allright Jules,It's the old T5 with different internals,
http://www.gearboxman.co.uk/infot5.html
They do a direct reeplacement for the T5 in sequential format, I will probably have a look at this as the next stage.
Ah just have, it's only rated for 270 BHP, right forget that idea.
Oh first is good for 62 MPH.
What was first in the old box?

trackcar

6,453 posts

256 months

Wednesday 3rd October 2007
quotequote all
Nickccc said:
trackcar said:
All sounds great stuff Nick .. is the box a dog clutch sequential ie can you flat upshift without lifting of the throttle or pressing the clutch?
Allright Jules,It's the old T5 with different internals,
http://www.gearboxman.co.uk/infot5.html
They do a direct reeplacement for the T5 in sequential format, I will probably have a look at this as the next stage.
Ah just have, it's only rated for 270 BHP, right forget that idea.
Oh first is good for 62 MPH.
Ah .. not a sequential like a racecar box then, the extra performance comes from saving the gearchanges to the 60 then 100 mph times then? all good though, should rock at santa pod. You'll be looking for full throttle upshifts and more hp next .. well funnily enough ... wink


Cyclone1

2,614 posts

276 months

Wednesday 3rd October 2007
quotequote all
trackcar said:
You'll be looking for full throttle upshifts and more hp next .. well funnily enough ... wink
I thought this was standard practice in a well driven Cerb......biggrin

julian64

14,325 posts

284 months

Wednesday 3rd October 2007
quotequote all
Cyclone1 said:
trackcar said:
You'll be looking for full throttle upshifts and more hp next .. well funnily enough ... wink
I thought this was standard practice in a well driven Cerb......biggrin
Repost police, see informative post above regarding polish hehe

ridds

8,372 posts

274 months

Wednesday 3rd October 2007
quotequote all
Nickccc said:
Jules,
don't be, I broke it. It was fifth that was lunched nothing else, I had a good look inside.
But if you do feel that bad, just send me a cheque for £1500.00.
Seriously, forget it, as I said I busted it.
Is that how much the modded box cost? I'm still looking for one for mine, I do have a 4.2 one but loathed to run it for any length of time.

Did you get the upgraded selectors too?

Steve_T

6,356 posts

302 months

Wednesday 3rd October 2007
quotequote all
touching cloth said:
Nickccc said:
Sequential, too expensive plus mods again.
Pansy biggrin
I asked Bernie about this and he said he felt a sequential box was not suited to the road, because the dogs would wear too quickly. It's a damn shame as they're a fabulous thing to use on two wheels.

Steve.

Keithyboy

1,940 posts

300 months

Wednesday 3rd October 2007
quotequote all
clap Good stuff Nick. I'll catch up at the weekend - well maybe not literally hehewink