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> Door impact bars... What year did they start?
altitude411
post Mar 30 2015, 12:16 PM
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Question for you gurus... what year did the impact bars inside the doors start being implemented?
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Cairo94507
post Mar 30 2015, 12:17 PM
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1973 I believe.
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billh1963
post Mar 30 2015, 12:21 PM
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QUOTE(Cairo94507 @ Mar 30 2015, 02:17 PM) *

1973 I believe.



Yep. From what I've read early '73 cars do not have them....they came during the model year run
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TravisNeff
post Mar 30 2015, 12:21 PM
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There were some early 73 cars that did not have the door bars or updated window winders.
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SirAndy
post Mar 30 2015, 12:21 PM
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QUOTE(billh1963 @ Mar 30 2015, 11:21 AM) *
Yep. From what I've read early '73 cars do not have them....they came during the model year run

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altitude411
post Mar 30 2015, 12:29 PM
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Thanks guys. (IMG:style_emoticons/default/beerchug.gif)
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914Sixer
post Mar 30 2015, 03:44 PM
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1973 model cars made from Aug to Dec 72 for the USA did not have impact barrier. All cars after Jan 1 1973 had them. Euro cars were not required to have them or retractable seat belts.
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damesandhotrods
post Mar 30 2015, 05:45 PM
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NHTSA Standard No. 214 – Side Impact Protection

Static Requirement, Vehicle doors must provide resistance to load applied via a rigid steel cylinder.

Passenger Cars effective 01/01/73 all shall meet requirements.
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914_teener
post Mar 30 2015, 06:20 PM
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QUOTE(damesandhotrods @ Mar 30 2015, 04:45 PM) *

NHTSA Standard No. 214 – Side Impact Protection

Static Requirement, Vehicle doors must provide resistance to load applied via a rigid steel cylinder.

Passenger Cars effective 01/01/73 all shall meet requirements.



Yep....my build date is 1/73 and it has them plus the late window mechanisms.
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ThePaintedMan
post Mar 30 2015, 08:54 PM
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Weird. I think mine is 4/73 and it doesn't have them. But then again, I'm not positive they're the original doors, though the Olympic blue paint seems to suggest they are.
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SirAndy
post Mar 30 2015, 11:12 PM
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QUOTE(ThePaintedMan @ Mar 30 2015, 07:54 PM) *
Weird. I think mine is 4/73 and it doesn't have them. But then again, I'm not positive they're the original doors, though the Olympic blue paint seems to suggest they are.

Is that the actual built date from the Karman plate or from the door jamb sticker?

The sticker is *not* the actual real build date of the chassis. It's the date when the car was "federalized" for US import.
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GaroldShaffer
post Mar 31 2015, 05:40 AM
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I have early 73 doors with no side beam with the late window mechs in them.
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914Sixer
post Mar 31 2015, 06:16 AM
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It is looking like the old hit and miss. They used the parts on hand until they ran out, not always on the required date.
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Olympic 914
post Mar 31 2015, 06:18 AM
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QUOTE(Garold Shaffer @ Mar 31 2015, 07:40 AM) *

I have early 73 doors with no side beam with the late window mechs in them.


+1

My '73 is set up the same way, the compliance sticker shows 9/72.

I think it has an early roof though.
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scotty b
post Mar 31 2015, 06:42 AM
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QUOTE(914Sixer @ Mar 31 2015, 04:16 AM) *

It is looking like the old hit and miss. They used the parts on hand until they ran out, not always on the required date.

Not really. I have had several sets of the early 73 doors. I have also compared early vs late inner panels to see how easily an early door could be changed to the later regulators. The inner door stamping is quite different for the early vs late window regulators, so the early 73 doors were already made different to accept the later regulators. My guess is the laws for the crash bars was implemented after the doors were changed, so Porsche/VW then added the crash bars to the existing plan
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altitude411
post Mar 31 2015, 09:31 AM
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This brings up another question for me... (briefly) what are the differences of the early/ late regulators?
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damesandhotrods
post Mar 31 2015, 09:44 AM
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QUOTE(914Sixer @ Mar 31 2015, 05:16 AM) *

It is looking like the old hit and miss. They used the parts on hand until they ran out, not always on the required date.





I don’t buy that for a second. Europe was terrified of Ralf Nader. Even though the ‘70s US auto market was made more challenging by economic malaise and a falling dollar it was still one of their most lucrative. The 914 was sold all over the world, Karmann had plenty of markets to use up any non-US spec parts.
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SirAndy
post Mar 31 2015, 09:59 AM
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QUOTE(altitude411 @ Mar 31 2015, 08:31 AM) *
This brings up another question for me... (briefly) what are the differences of the early/ late regulators?

Briefly? Everything ...

Completely different in every way.
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altitude411
post Mar 31 2015, 11:27 AM
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Ha. Should be relatively easy to spot then... (IMG:style_emoticons/default/shades.gif) Thanks Andy. (IMG:style_emoticons/default/biggrin.gif)
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Tom_T
post Mar 31 2015, 09:26 PM
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QUOTE(Travis Neff @ Mar 30 2015, 10:21 AM) *

There were some early 73 cars that did not have the door bars or updated window winders.


If they did, then they were using the old early doors & regulators (winders), because the later regulators won't fit in the early doors as someone noted above.

Another reason later 73-76 cars could have late doors without side beams, is that apparently most of the repair part doors had no side beams - apparently due some loophole in the side impact law then - according to a couple of first person sources I know from Porsche+Audi dealers back in the 70's.

Also PO's could've changed to the lighter no side-beam doors for AX, rally & race reasons.

So a few 914s after the 1/1/73 effective date could also have replacement doors without beams.

FYI - My early 73 with 8/31/72 Chassis No. build date has the "early" late doors without side beams, late regulators & originally had the window handles with the chrome arms (later changed to black by OO/PO & me as they broke with use).

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