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Join Date: Mar 2007
Location: San Diego
Posts: 169
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70/71 Standard Equipment and U.S. Vs. ROW - Redux --Long

This thread updates, including your input (thanks to Cornpanzer, etc.), my one year old post on this subject. I wasn’t able to figure out how to get a WORD table (paint, radios), with proper column spacing, into a Pelican post.

The roughly 30 sources I reviewed regularly showed conflicting information, with “Wheels” being the most inconsistent category. This information is specifically for ‘70 911 - U.S. specification cars. See a later section for differences between ‘70 and ‘71 cars and U.S. Vs. ROW cars.. Constructive feedback is again solicited. The references that seemed to have the most (judged) correct information are:

• Porsche 911 –The Definitive History 1963 – 1971, B. Long.
• Porsche Red Book, 1965 – 1999, P. Paternie.
• Original Porsche 911 The Guide to All Production Models, 1963 – 1998,
P. Morgan.
• 1970 911T Options And Accessories, 911t.pca.org/options.
This is an official Porsche document, but it doesn’t address items such as driving lights, transmissions, anti-sway bars etc.
• The 911 and 912 Porsche – A Restorer’s Guide to Authenticity, DR. B. Johnson.

Engine
T =Twin Zenith (Europe = Webers) 40 TIN carbs, 125 DIN HP, Compression ratio = 8.6:1
E = Bosch Mechanical Fuel Injection at 155 DIN HP, Compression ratio = 9.1:1
S = Bosch Mechanical Fuel Injection at 180 DIN HP, Compression ratio = 9.8:1
Redline: S = 7,200, E = 6,800, T = 6,300
Fan Shroud: S = Red, E = Green, T = Black
Body
• The S came with an engine oil cooler mounted in the forward area of the right front fender. A solenoid activates the circuit if oil temperature (normal = 176 oF) exceeds 190o F. The T and E did not have it as standard or optional equipment.
• The E and S came with an aluminum engine lid and aft-center (license) bumper section. T used steel for these components.
• The standard engine lid logo on the T was chrome plated, compared to gold-finished on the E and S. A gold-finished logo for the T was available as a separate option, and was a part of the Appearance Group (see 911t.pca.org) option for the T.
• E and S came with aluminum front calipers and cast iron calipers on the rear. All four calipers on the T were cast iron.
• Through-the-horn-grille and/or bumper mounted driving/fog lights were correct on all 3 models. Hella 118’s (round) are the correct through-the-horn-grille lights for ‘70 and ’71. Hella 169’s (rectangular) are the correct bumper-mounted lights for ’69 thru ’71. If memory serves me the 169’s are activated as part of the high beam circuit. The 118’s are activated by a dash mounted switch.

Transmission
T = 4 Speed standard, Sportomatic = optional, 5 Speed = optional
……..Long’s book: “all U.K. delivery T’s were equipped with the 5 speed transmission.”
E = 5 Speed standard, Sportomatic = optional
S = 5 Speed standard, Sportomatic = not optional (Porsche wanted their top of the line sports car to have a manual transmission – for image.)

Suspension:
E came with Boge self leveling hydro-pneumatic struts. Most E’s will have been retrofitted to T/S MacPherson struts, etc. The Boge suspension was optional on the T and S, although very few were produced with this option. The ‘70S and ‘71S came with front and rear 15mm anti-sway bars (these were optional on the T and E). The T also had a 13mm front-bar-only available as an option.

Wheels:
S =Standard = 6 x 15 forged Fuchs, Optional = 5.5 x 15 chrome plated steel disc.
E = Standard = 5.5 x 14 forged Fuchs, Optional = 5.5 x 15 chrome plated steel disc.
T = Standard = 5.5 x 15 painted Steel Disc.
Optional = 5.5 x 14 Fuchs (standard on the E), 6 x 15 Fuchs (standard on the S),
5.5 x 15 Chromed Steel Disc, 5.5 x 15 Mahle pressure cast Magnesium (a.k.a. 10 spoke gas burners). Also available was a hubcap with colored Porsche crest. The 5.5 x 14 Fuchs were standard on T’s with the optional hydro-pneumatic suspension.

Instrumentation:
E and S came with the full complement of gauges, as did all models with the Sportomatic transmission (optional on T). Only the left two gauges were different on the manual transmission T. Full complement instrumentation was an option on the T.

The E and S had a dual-instrument unit of fuel level gauge and oil level gauge. The T had only a fuel level gauge. The E and S had a dual-instrument unit of oil temperature gauge and oil pressure gauge. The T had only the oil temperature gauge.

On the E and S dual gauge units the oil temperature/oil pressure instrument also contains separate warning lights that signaled the handbrake is on/alternator warning. The single gauge T instrument also had these two warning lights.

Differences Between 1970 and 1971 Model Year Production, and U.S. Vs. ROW
• In ‘71 a twist knob opened the glove box, compared to a keyhole and handle in ’70.
• The ‘70 had horizontal door key slots, whereas on the ‘71 they were vertical.
• The ’71 gained an engine compartment electronics cover sometime during the production run.
• From ~ February 1970 through ~ March 1971 the ’70 and ’71 models came with a ’69 “World Championship of Makes” racing titles decal. It was located on the inside front windshield, passenger side bottom corner. Starting ~ March ’71 the decal was updated to reflect the “69 and ’70 championships. In late February 1972 the decal was again updated to reflect the ’69, ’70 and ’71 championships and was applied to the inside back quarter window glass (Targas = no decal) of ‘71 models.
• Engine (piston) oil squirters were introduced (late Dec ‘70/ early Jan ’71).
• US delivery (only) cars came with an ignition switch buzzer that sounded if the door was opened with the key still in the ignition.
• To meet U.S emission requirements the charcoal canister next to the spare and its associated plumbing were fitted to all cars destined to operate in North America.
• The ’70 wipers had two wiper speeds and an interval setting. The ’71 wipers had 3 speed ranges.
• For ‘71 a heated windshield became optional.
• H3-bulb fog and driving lights are new in 1971 for U.S. delivery cars.
• While not specifically defined (too hard) there were running changes to body panel galvanizing and emissions components.
• For ‘70 the fuel pump was mounted on the front suspension cross member. For ‘71 it was moved to the rear of the car, between the main cross member and the left-hand semi-trailing arm.
• For the seatback release ’70 cars had a rectangular tab switch on the side of the chrome recliner, near the bottom. The ’71 cars had a shark –fin release on the top of the recliner.

Shown below are the 70/71 colors. The asterisk indicates that the color is available to the U.S. market.

Code……Color………………….1970……1971
_______________________________________
17……Burgundy(1)..…….……....Yes*.…..Yes*
18……Tangerine…………….......Yes*…...Yes*
21……Metallic Red….............….Yes*…...Yes
022…..Bahia Red…….............….Yes*.…..Yes*
22……Turquoise Green(2)……....Yes….…Yes
23……Light Red……………...…Yes.……Yes
114…..Signal Yellow…………....Yes…….Yes
115…..Canary Yellow………...…Yes…….No
116…..Signal Orange…………….Yes*...…Yes*
117…..Light Yellow…………......Yes….….Yes
131…..Light Ivory……………….Yes*……Yes*
132…..Medium Ivory………....…Yes..……Yes
133…..Gold Metallic………....….No…...…Yes
213…..Irish Green…………....….Yes*……Yes*
217…..Signal Green……………..Yes……..Yes
218…..Leaf Green……………….Yes……..Yes
221…..Metallic Green…...............Yes*……Yes*
222…..Conda Green……..……....Yes*……Yes*
320…..Crystal Blue………….......Yes……..Yes
321…..Pastel Blue……………….Yes*……Yes*
324…..Metallic Blue…………….Yes*……Yes*
325…..Albert Blue…………....…Yes*……Yes*
326…..Glacier Blue…………......Yes……..Yes
327…..Adriatic Blue……..……...Yes……..Yes
330…..Gemini Blue Metallic…....No……...Yes
340…..Turquoise……………..…Yes……..Yes
414…..Olive………………….....Yes….…..Yes
415…..Sepia Brown………..…...Yes…...…Yes
620…..Light Grey (3)………..…Yes……...Yes
622…..Beige (Oxford) Grey(4)....Yes……...Yes
700…..Black………………….…Yes……...Yes
924…..Silver Metallic (2 Coat)....No………Yes*
925…..Silver Metallic…………..Yes*…….Yes*
(1) Identified as Burgundy Red for 1971
(2) Identified as Green Turquoise and Code 220 for 1971
(3) Identified as White Grey for 1971
--------Probably a typo, else there should be a different code
(4) Identified as Beige Grey for 1971

Radios.…………………………………………… ….…’70… .’71
Blaupunkt…….Hamburg, AM/LW…...............................Yes…..No
………………..Boston, AM (US band)…………………Yes...…No
………………..Frankfurt, AM/FM/LW/SW…………….Yes…..No
………………..Frankfurt-US, AM/FM……………...…..Yes….Yes
………………...Koln AM/FM/LW signal seeking………Yes….Yes
………………...New Yorker, AM/FM/SW signal………Yes……No
…………………....seeking (US Band)………………………………
Becker…………Grand Prix, AM/FM/LW signal seeking.Yes…..No
………………... Grand Prix, AM/FM/LW signal………..Yes…..No
……………………seeking (US Band)………………………………
Philips…………AM/LW Cassette……………………….Yes..…Yes


Regards -Al

Old 04-22-2013, 11:15 AM
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Join Date: May 2010
Posts: 140
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Al,

Great summary, I will save for future reference. It is always a pleasure to read about the 70-71 models. I have owned my 71 911T since 1983, the third owner. It is presently apart and I am making progress, soon to begin the put back together phase.

Though most things you chronicled describe my car, there were a couple of items that were from the 70 MY. In my reading I continue to marvel at the caveat that Porsche used "whatever they had on hand" or something to that effect. Just a couple of items for your database.

My 911 was built in 7/70 and was the 62nd Porsche body built for the US market, so I guess they used leftover 70 parts. I have horizontal key slots, a key and handle glove box, no engine cover for the electronics and the fuel pump is in the front near the fuel tank.

Again, Great summary.

Bob

Old 04-22-2013, 02:03 PM
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