How fast can you react to the stop sign? - Page 2 - Alfa Romeo Bulletin Board & Forums

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post #16 of 32 (permalink) Old 03-08-2017, 11:03 AM
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I was looking at my phone and missed it altogether.

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post #17 of 32 (permalink) Old 03-08-2017, 11:34 AM
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I'm 45 and it got 47 on the first attempt, 27 on the third..... ho hum....

Past glories: Sud ti, Alfetta GTV, GTV6, 33 ti, 33 ie, 164 V6, 164 V6, GTV TS, 156 TS, Alfa 159 2.4 Q-Tronic JTDm

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post #18 of 32 (permalink) Old 03-08-2017, 11:43 AM Thread Starter
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Quote:
Originally Posted by Veronica Mangan View Post
OK, I might as well just throw in the towel. I think I have good reactions, but I got a reading of 86 the first time, and then just "you are a very, very, old person!" after that! Can I blame it on my internet speed?
VM
Oh NO not old Dial up speed!

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Daily drivers: USA models - 1991 164S Black Beauty II ALFISTO;

Daughter's current ride: BB1 my 164L and Her Granddads 2002 Ford Taurus is back up.

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post #19 of 32 (permalink) Old 03-08-2017, 03:08 PM
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28 after I figured out what to do, first attempt 75. LOL!


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post #20 of 32 (permalink) Old 03-08-2017, 04:00 PM
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What stop sign?
Nice one.

Distracted by all the pretty deer were you?
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1991 Alfa Romeo 164L 5 spd
White on grey leather 230K km, owned from new
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post #21 of 32 (permalink) Old 03-08-2017, 04:07 PM
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27yr old,,,, first time 62...lol

Rob S, Cur.84 Spider,87 Milano.01 XK8,Prev 91 164L ,81 Spider,81 380SL,63 BJ8 Healey, 76 Spider,79 Spider,90 quad spider.348 Ferrari spider.Harleys
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post #22 of 32 (permalink) Old 03-08-2017, 06:23 PM
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inhuman 231 ms on an iPad

Paul - 1972 Spider - (2)1991 164S's - 1983 308 - 2001 Discovery - 1997 F350
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post #23 of 32 (permalink) Old 03-08-2017, 07:00 PM
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Nice one.

Distracted by all the pretty deer were you?
Elk. Lots of Elk.


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post #24 of 32 (permalink) Old 03-08-2017, 08:55 PM
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Oh NO not old Dial up speed!

Well..not dial up exactly. I love being told I'm "very very old". (at 65) So that's why my joints hurt when the weather changes!
VM
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post #25 of 32 (permalink) Old 03-08-2017, 09:16 PM
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ABS for S3 Spider?

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Probably emergency brake assist is the cheapest most effective active safety option invented so far. Sadly our Alfa's were built before this valuable software was developed.
Sure seems that way to me. Is there any way to add ABS to my '84 S3? I'm sure it would be a major safety advantage.

David OD
Irvine CA
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post #26 of 32 (permalink) Old 03-09-2017, 05:23 AM
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Elk. Lots of Elk.
Wow, now that's observant.

1991 Alfa Romeo 164L 5 spd
White on grey leather 230K km, owned from new
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post #27 of 32 (permalink) Old 03-09-2017, 05:26 AM
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Sure seems that way to me. Is there any way to add ABS to my '84 S3? I'm sure it would be a major safety advantage.

David OD
Irvine CA
It isn't. Wheel speed sensors, wiring harness, abs distribution valve, brake caliper abs release valves and return pipes, abs computer, abs pressure accumulator and dashboard warning light.

ABS is a significant safety advantage, superior to airbags in terms of injury reduction but not feasible to retrofit.

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post #28 of 32 (permalink) Old 03-09-2017, 09:22 AM
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He might be talking about the new emergency braking systems to prevent rearending the car ahead. Not necessarily much of a safety addition for you as the driver of your car, but certainly can be a safety item for the car you could have rearended.

I think that system is simply great, but no, seriously doubt it could be added to an older car which is not designed for it, the system being pretty complicated.

If he is really talking about the ABS as installed in the later Alfas, most people have no clue how to utilize it, and even some authorities don't understand what it does and when it should be applied. And, no, as Michael mentions, almost impossible to add it later. At this time, I'm not inclined to regard it as a great safety system, because of the above reason. It may be an automatic system, but only if the driver knows what to do to make it work, ie, how hard to press the brake pedal, and when.

The owner's manual of the 164 has a chart illustrating when and under which conditions it could operate.

Del

Seattle

89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6

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post #29 of 32 (permalink) Old 03-09-2017, 09:22 AM
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Originally Posted by David O'D View Post
Is there any way to add ABS to my '84 S3? I'm sure it would be a major safety advantage.
HPDE. Tighten up the nut holding the steering wheel...

- - Eric
don't read this
~ 1984 Spider Veloce ~
- -~ 1981 GTV-6 ~
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post #30 of 32 (permalink) Old 03-09-2017, 02:30 PM
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There are three braking safety systems introduced since the late 80's: ABS is by far the most important, emergency brake assist which applies the brakes much more quickly and at much higher pressure than normal if the brake pedal is moved rapidly even if mot applied hard, and automatic emergency braking which applies the brakes to stop the vehicle in as short a distance as possible without intervention by the driver.

ABS is without drawbacks for the average driver as even those who do not use it effectively benefit during emergency stopping or on low grip surfaces. The ordinary driver only applies maximum braking force during genuine emergencies and often not then. ABS has no deleterious effect on inadequate braking technique that would occur anyway.

Optimizing ABS is another matter and really it is the expert driver who needs educating. There are still those who think brake pedal pressure can or should be eased back as soon as the ABS can be felt to be working. Nothing could be further from the truth. When ABS first releases line pressure that is only to the first wheel to lock. Brake pressure should continue to be applied at maximum. ABS only maximizes braking force when all four wheels are experiencing brake line pressure relief. To benefit from ABS one applies maximum possible brake line pressure and lets the ABS control wheel lock. Anything short of maximum brake line pressure is not utilizing the ABS properly.

1991 Alfa Romeo 164L 5 spd
White on grey leather 230K km, owned from new
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