Knackered old Porsche with loads of miles - 996 content
Discussion
I run a centre rad and a single a/c condenser and have done for many year, a/c works without issue. - Purpose of the mod was to increase the airflow through the rad when on track.
I removed the passenger side as this runs closer to the curb and generally collected more cr@p between the rad and condenser even with a grilled bumper.
I removed the passenger side as this runs closer to the curb and generally collected more cr@p between the rad and condenser even with a grilled bumper.
Heaveho said:
Is there a specific reason why people don't seem to mention Goodyear Asymmetrics much? They've transformed pretty much everything I've used them on, at least as far as road driving is concerned. They're admittedly crap on track.
Possibly a size thing? I have the Asymmetrics on my 370z and they are a great tyre but for the Cayman there is no availability on the 265/35/19 rears, and not N rated which is a thing for many in Porscheland.Also, the Asymmetrics are a 'class' at least below the Pilot Sports - The F1 SuperSport is closer and available in the correct sizes but not N rated like the P Zeros/PS2s.
I've got 19s on my Boxster with Goodyears in the correct size (and happened to have an N rating, although, frankly, I couldn't give a stuff about that).......not easy to find, but doable. Kwikfit came to the rescue and at a price for 4 that was beyond reasonable. To be fair, maybe things have changed now availability wise, it was a little while ago.
Om said:
Also, the Asymmetrics are a 'class' at least below the Pilot Sports - The F1 SuperSport is closer and available in the correct sizes but not N rated like the P Zeros/PS2s.
The F1 A6 beats the PS4S even though they're competing directly against the PS4 and PS5 rather than the 4S.https://www.tyrereviews.com/Tyre/Goodyear/Eagle-F1...
Remains to be seen how they compare to the PSS5.
Might be back tomorrow.... and I still have an update to do from before it went away! So without further ado:
Over the past twenty odd years of cocking around with cars both professionally and unprofessionally the thing that has become very clear is that it's rarely a full on engine failure or gearbox failure which stops the car (road car or race car!) - it's nearly always one of the rotating ancillaries/component in the FEAD and if it's not that it's a sensor. There's only really a couple of properly car stopping sensors (as you can happily run a proper engine on just two sensors and assume the rest) and with the 996 that's crank sensor and cam sensor - the car has only even failed to proceed twice and one of those was a crank sensor failure
To avoid these failure modes I've always ran the car with some key components ran on a life and given I had to swap the alternator anyway to add some more amps for the E-Aircon and the water pump was only 6 months off life then it was time to do a big FEAD service:
So new Alternator and new Water pump:
My usual WP choice is unfortunately no longer available and whilst my choice of metal impeller pump was always a little controversial this time around it's out of my hands with a composite impeller pump.
Still it claims it's from the same place as the car so how bad can it be
Air box, intake and belt off, coolant drained, engine hanger bolts out and hanger shoved out the way.... which with semi-solid mounts is more of a pain than on a standard car.
Old pump out:
Still in pretty good condition and no debris in or around the pump is always a good sign of a healthy motor. Modern coolants are amazing at suppressing corrosion. One important point to note is NEVER reuse the water pump bolts, they should always be replaced with new.
Nice and fresh on the block side of things too:
If anyone is wondering why the motor is yellow it's covered in anti-corrosion wax and really needs another going over - The engine location in a 911 means they hoover every bit of debris off the road onto the motor so anything one can do to avoid them going horribly furry in use is a good thing.
Gasket alignment checked - never trust it's been stamped out correctly
Old vs New, the previous 120AMP alternator was about 10 amps shy of keeping up with the electrical demands of the E-Aircon compressor so a new 150AMP Bosch one has replaced it:
At the same time I fitted new bearings to the FEAD idler pulleys - these pulleys are metal and the bearings can be pressed out and replaced for pence so a silly thing not to do when it's all apart. The PAS pump also got a good check over but these seem to last forever and ever and this one is still showing no signs of wear.
Obviously finished off with a fresh belt:
Airbox back in:
Fresh coolant back in to the correct mix and a bit of blipping and topping off later we can consider that bled
Finally so it didn't feel like a boring maintenance day I did a #racecar job and added some brake temp paint to the discs - given the use case if it pops the first one it'll be doing well but it's always good to know how bad it got if it accidentally finds its way onto a track
So I think that brings us up to date, next update will be a putting back together post with a car that's all the same colour!
Over the past twenty odd years of cocking around with cars both professionally and unprofessionally the thing that has become very clear is that it's rarely a full on engine failure or gearbox failure which stops the car (road car or race car!) - it's nearly always one of the rotating ancillaries/component in the FEAD and if it's not that it's a sensor. There's only really a couple of properly car stopping sensors (as you can happily run a proper engine on just two sensors and assume the rest) and with the 996 that's crank sensor and cam sensor - the car has only even failed to proceed twice and one of those was a crank sensor failure
To avoid these failure modes I've always ran the car with some key components ran on a life and given I had to swap the alternator anyway to add some more amps for the E-Aircon and the water pump was only 6 months off life then it was time to do a big FEAD service:
So new Alternator and new Water pump:
My usual WP choice is unfortunately no longer available and whilst my choice of metal impeller pump was always a little controversial this time around it's out of my hands with a composite impeller pump.
Still it claims it's from the same place as the car so how bad can it be
Air box, intake and belt off, coolant drained, engine hanger bolts out and hanger shoved out the way.... which with semi-solid mounts is more of a pain than on a standard car.
Old pump out:
Still in pretty good condition and no debris in or around the pump is always a good sign of a healthy motor. Modern coolants are amazing at suppressing corrosion. One important point to note is NEVER reuse the water pump bolts, they should always be replaced with new.
Nice and fresh on the block side of things too:
If anyone is wondering why the motor is yellow it's covered in anti-corrosion wax and really needs another going over - The engine location in a 911 means they hoover every bit of debris off the road onto the motor so anything one can do to avoid them going horribly furry in use is a good thing.
Gasket alignment checked - never trust it's been stamped out correctly
Old vs New, the previous 120AMP alternator was about 10 amps shy of keeping up with the electrical demands of the E-Aircon compressor so a new 150AMP Bosch one has replaced it:
At the same time I fitted new bearings to the FEAD idler pulleys - these pulleys are metal and the bearings can be pressed out and replaced for pence so a silly thing not to do when it's all apart. The PAS pump also got a good check over but these seem to last forever and ever and this one is still showing no signs of wear.
Obviously finished off with a fresh belt:
Airbox back in:
Fresh coolant back in to the correct mix and a bit of blipping and topping off later we can consider that bled
Finally so it didn't feel like a boring maintenance day I did a #racecar job and added some brake temp paint to the discs - given the use case if it pops the first one it'll be doing well but it's always good to know how bad it got if it accidentally finds its way onto a track
So I think that brings us up to date, next update will be a putting back together post with a car that's all the same colour!
Doofus said:
FEAD?
Front Engine?
Front End Accessory Drive - essentially everything on the engine which is belt driven from the crank pulley including all the power transfer and tensioning elements of that belt. Front Engine?
Although I suppose on a 911 it's at the back not the front, even though that's still the front but at the back....so maybe it should be BTFEAD - Back To Front End Accessory Drive?
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