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Oct 19, 2018 12:27:56 GMT
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The old girl vs a modified Bimmer 335i, as you can see i bog it down at the start - i’m told i can loose a good second by improving my starts and getting some boost. 13.9/116mph.
In 1 and 2 it’s ok, 3 and 4 is where its really at... my friends 11 second 8.2 cobra covers the second 1/8 in 6 seconds increasing its speed by 26 mph, the merc in comparison is doing it in 4.4 sec upping its speed by 29mph...
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Last Edit: Oct 19, 2018 16:52:48 GMT by maxypriest
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Awesome work max! Sounds the tits!
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1989 Mercedes W124 Superturbodiesel
562 whp
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There is a small vibration at around 50mph, it’s coming from the rear so it’s either driveshafts or rear brakes... ... and my rear brakes look like this, so I’d better do something about them.  |
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They are shocking. Apologies. When I scraped the previous 3 Mercs I robbed the brakes, front and rear. I have two boxes of them... I have worked out that IN THEORY with a little fettling I can fit W210 rear brakes on a W124 with only a minor amount of butchering to the splash guards. Box of brakes  The chosen victims are checked and refreshed (of course being a old merc there are actually 2 types of rear calliper fitted to W210, same disc size...)  |
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Oh and they are a good bit bigger than the old brakes. Gives me a chance to fit those braided lines and some decent pads. I opted for some Brembo discs, eurocarparts £51 for a pair. They are actually painted on the non-frication surfaces and look great quality. Made in Italy? China I’m afraid.  |
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The w210 rear brakes are a good upgrade, I cut the backing plates around the lip just outside of the handbrake shoes. There is a vented setup for the w124, but for the cost it isnt really worth it.
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1988 Mercedes w124 superturbo diesel 508hp
1996 Mercedes s124 e300 diesel wagon
1990 BMW E30 V8 M60 powered!
1999 BMW E46 323ci project car
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The w210 rear brakes are a good upgrade, I cut the backing plates around the lip just outside of the handbrake shoes. There is a vented setup for the w124, but for the cost it isnt really worth it. Yup - that’s exactly what I envisage doing, just cutting the back plate back a touch. I’m planning a complete rear end overhaul over the next year or so, that’s partly why the brakes look so bad. Have you still got the Superturbodiesel? Max |
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The w210 rear brakes are a good upgrade, I cut the backing plates around the lip just outside of the handbrake shoes. There is a vented setup for the w124, but for the cost it isnt really worth it. Yup - that’s exactly what I envisage doing, just cutting the back plate back a touch. I’m planning a complete rear end overhaul over the next year or so, that’s partly why the brakes look so bad. Have you still got the Superturbodiesel? Max Yep I've still got it, I use it as the daily driver. When you do the rear end, the biggest difference I noticed was from using poly subframe mounts. The car felt alot more sure footed after those went in. |
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1988 Mercedes w124 superturbo diesel 508hp
1996 Mercedes s124 e300 diesel wagon
1990 BMW E30 V8 M60 powered!
1999 BMW E46 323ci project car
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What mounts did you use? Superflex and which compound?
Any additional noise and vibration?
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From this  To this in 2hrs. Pleased.  |
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I trimmed the splash guard at the back, still covers most of the disc. Painted the exposed metal too, as a wrote earlier I’ll be re doing the whole of the rear suspension soon so it will look like new soon enough.    |
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...Obviously the last pic above was meant to be the first. Calliper sporting it’s new hardware.  |
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What mounts did you use? Superflex and which compound? Any additional noise and vibration? I'm running yellow strongflex bushes, no extra vibration or noise. The subframe doesn't move at all now.  |
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1988 Mercedes w124 superturbo diesel 508hp
1996 Mercedes s124 e300 diesel wagon
1990 BMW E30 V8 M60 powered!
1999 BMW E46 323ci project car
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Both the rear tyres were leaking a bit of air, so I took them along loose to the local tyre place and asked them to re-seat them.
When I picked them up I noted they had slapped some grey goo around the bead and I immediately thought about how this could compromise the grip between the alloy and the tyre. But rather than complain I thought that these are tyre people and they know what they are doing. I paid an extortionate £38 for this and still unconvinced marked the tyres with a yellow dot opposite the valve.
Just in case.
Tyres fitted and then a few weeks later she was ready for an MOT ( straight through of course :-))
On the way home a opportunity presented itself to give her some throttle and the revs rose quicker than the gearing, it felt like the clutch was slipping. I immediately knew what was going on, pulled over and sure enough the nearside tyre had been 'lapping' the alloy. That grey rubbish was all over the tyre wall.
On the phone the tyre place guaranteed me that this was not what had happened, however the next day when I returned the tyre to have the grey stuff cleaned off both the tyres and rims the tone changed - it was as plain as the balls on a dog what had happened.
I will not have this stuff again on my cars; and I know that while not many cars have 480ft/lbs, a few do.
Also what about the grey stuff on the fronts? Under braking imagine the tyre doing that?!
I'll have the wheels refurbished ASAP.
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Dot marked on tyre opposite the valve  Grey rubbish ejected onto the sidewall  |
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Dot and valve finishing positions after lapping the wheel....  |
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eternaloptimist
Posted a lot
Too many projects, not enough time or space...
Posts: 2,578
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Blimey!
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XC70, VW split screen crew cab, Standard Ten
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Apr 12, 2019 12:58:31 GMT
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I had something similar to that done on one of the rears on my old Astra, although this stuff definitely set. Never really thought too much about it until now. Like you say, in a braking situation it could rob you of stopping power that could result in failing to stop in time.
Still you must be fairly pleased being able to achieve that effect under power!
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Apr 15, 2019 18:35:42 GMT
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Deathrow - had her Dyno'd on Saturday at 470bhp with 562ft/lbs which won't have helped the tyre situation. Really chuffed with that, she made 424 at the wheels!!!
Almost as pleasing was a max EGT of 670c which is a massive improvement over the old max readings which were in the mid 800's. Water meth injection is a winner, really pleased with these results.
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That's an awesome torque figure! I can see why the tyres need all the help they can get holding on to the rims. Looking forward to whatever comes next  |
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