Wide Body SL600

[F1BHP]

I have not seen it in the flesh yet. Just keeping my fingers crossed it will all come together. For me the main thing is the engine work and creating a high power reliable super car.

 

[Alps]

looking good F1, keep the updates coming

 

[Mat B]

Are you looking into uprating the internals at all?

 

[F1BHP]

No, The guys at Speedriven who probably have the most experience with the V12 don't think it is necessary as they have had no issues with any of their clients with stock internals.

The transmission will be the one that could be an issue but I will get slippage and limp mode when it becomes necessary.

I am doing the sl65 injectors and I have a spare set of coils ready to go.

One of the guys in the USA twisted a axel with his CL600 so that could be a weak point but that is the only one I have heard of.

I may look into a one piece carbon fiber axel if I can find a fabricator to do it.

 

[Mat B]

I'm sure Speedriven know their stuff, but there is always an 'IF, and that is easy to say when they are not warranting your work.
Anything is only as strong as the weakest component. I was only curious as your stated you wanted a high power and reliable super car.

Ive read about limp mode with the gearbox, 65s have that problem too so are often 'dialled' down when tuning to full potential.

Carbon fibre axel sounds very interesting.
Keep up the good work, really looking forward to seeing the finished article.

 

[F1BHP]

I definitely know what you are saying and if their was any evidence of weakness in the engine then I would upgrade it. The fact is that i challenge you to find any engine failures in the m275 because I can't find any. Tuned or not.

The torque will have to be limited on the tune as it will probably hit over 1,200nm without limit, this is normally the problem for the gearbox. The gearbox should cope with the BHP with the torque kept in check.

I have no problems upgrading the internals of the box if needed and quite a few have done before on the 600's prior to 2007 year when the 600's got the same upgraded sl65 box which has proved very solid and the same one used in the sl65 black. My TCU upgrade has also taken the adaptations from the black series box along with the raised RPM limit.

 

[Alex]

I definitely know what you are saying and if their was any evidence of weakness in the engine then I would upgrade it. The fact is that i challenge you to find any engine failures in the m275 because I can't find any. Tuned or not.

The torque will have to be limited on the tune as it will probably hit over 1,200nm without limit, this is normally the problem for the gearbox. The gearbox should cope with the BHP with the torque kept in check.

I have no problems upgrading the internals of the box if needed and quite a few have done before on the 600's prior to 2007 year when the 600's got the same upgraded sl65 box which has proved very solid and the same one used in the sl65 black. My TCU upgrade has also taken the adaptations from the black series box along with the raised RPM limit.

M275's reliability is purely down to the fact that very few people push them further than a remap and a pair of intercoolers. A pair of bigger turbos can potentially melt a piston or break a conrod, both of which are mass produced for those engines.

 

[F1BHP]

Hey I am not saying it can't happen I am just saying without going down the shorty manifold and much bigger turbo housing it seems like messing with the internals is not needed.

In fact I would be more worried about the non stock, upgraded items failing as they don't have to go through the same testing as from the factory.

 

[Alex]

Hey I am not saying it can't happen I am just saying without going down the shorty manifold and much bigger turbo housing it seems like messing with the internals is not needed.

In fact I would be more worried about the non stock, upgraded items failing as they don't have to go through the same testing as from the factory.

The whole motorsport industry is built around blueprinted engines stuffed with precision made parts, usually of much higher quality and cost than their serially produced counterparts. For someone who modified his ECU software with an aftermarket offering, your last sentence doesn't make any sense.

 

[Lee C63]

The whole motorsport industry is built around blueprinted engines stuffed with precision made parts, usually of much higher quality and cost than their serially produced counterparts. For someone who modified his ECU software with an aftermarket offering, your last sentence doesn't make any sense.

I suppose its trial and error......A few of us have pushed the boundaries with what you can do (touch wood i have been lucky so far). But I know you have had issues and Chris pushed the limit and blew a Piston out the block....Hence why he is running forged internals (and i think your going down that route too).

I am desperatley wanting to get the forged block on mine but the cost is just nuts so I will just have to stick where i am for a while.

Will be interesting to see how far F1 can go before having to go down the forged and up-rated Internal route.

I suppose that's what gives us the buzz.....I know i have been sweating it on a few dyno runs expecting the cloud of black smoke and the sound of grinding metal a few times!!!!!.

 

[F1BHP]

The point about the Motorsport industry using blueprinted engines stuffed with precision parts as a reason to do it, makes no sense. I have been involved in Motorsport and know all too well that our engines get rebuilt on a regular basis. Yes, they are being pushed to the limits but once you crack open that can of worms things can get more complicated.

Personally with this engine ( which is not working hard in stock form at all ) I would be more worried with modified internals of a failure than without.

 

[Mat B]

It's a decision we all face when modifying cars passed a certain level and trying something new. This why its so important to decide which way you want to go with the car.
The main difference with our goals for our road cars is that we don't have the unlimited budget and benefit of being rebuilt after each race. So make best where we can. I am making sure there is no weak point. But I'm still very aware it can still go 'bang'.
My goal like yours is to make a reliable 'super car'.
Hence wanting to know you thought process on it.

 

[F1BHP]

No problem this is what the forums are all about. Trying to find out why and what people are doing to their cars.

Hopefully we all get some insight for future projects.

 

[C36fan]

The point about the Motorsport industry using blueprinted engines stuffed with precision parts as a reason to do it, makes no sense. I have been involved in Motorsport and know all too well that our engines get rebuilt on a regular basis. Yes, they are being pushed to the limits but once you crack open that can of worms things can get more complicated. Personally with this engine ( which is not working hard in stock form at all ) I would be more worried with modified internals of a failure than without.

the reason of the racing engines are rebuilt after every race it's because they are pushed to the limit and they as little material as possible to save weight and also the tolerances are set to last a race ,so what you saying makes no sense at all !
Look in to brabus upgrades of your engine and you'll find even the crank isn't OM , mercedes built that engine to coop with certain amount of power anything beyond that is more than likely the internal eventually will give .
You should know that if you was that involved in motorsport!

 

[F1BHP]

I made the same point about the race engines being pushed to the limits, however mine should not reach that limit.

If I had the budget to get brabus to do my internals I would defenetly get them done as extra security, however i don't want to drop £50k plus on that at the moment.

Why you feel the need to come on here and make stupid comments about Motorsport experience, when you don't even know me is not worth commenting on.

 

[C36fan]

I made the same point about the race engines being pushed to the limits, however mine should not reach that limit. If I had the budget to get brabus to do my internals I would defenetly get them done as extra security, however i don't want to drop £50k plus on that at the moment. Why you feel the need to come on here and make stupid comments about Motorsport experience, when you don't even know me is not worth commenting on.

you aiming for brabus figures without the brabus internals ,so in my book your engine is more than likely to have issues,just a little advice make a good base to achieve good results sometimes the big numbers in the dyno don't translate in max performance on the road!

 

[C36fan]

I made the same point about the race engines being pushed to the limits, however mine should not reach that limit. If I had the budget to get brabus to do my internals I would defenetly get them done as extra security, however i don't want to drop £50k plus on that at the moment. Why you feel the need to come on here and make stupid comments about Motorsport experience, when you don't even know me is not worth commenting on.

The one giving it the large is you and what I can see from your posts you should put a bs badge in you car!
Get it?

 

[Rashman]

Where's me farken pupcun.....

 

[C36fan]

Where's me farken pupcun.....

I'll send ginger around !

 

[F1BHP]

The v12 engine is about the best base I could find. I will dyno my car for tuning however I am not after the biggest BHP numbers. I am after a fast luxury cruiser which will surprise a lot of people on the track.

I may do a one time vp109 tune for vmax to try to hit the 200mph mark, then revert back to the D/D tune. ( 750BHP )