1980 Porsche 924 Turbo

Pablo from flüssig magazine has checked in with us once again, evaluating this 1980 Porsche 924 Turbo for sale in Denver that was sent to us from our reader Duncan.

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Porsche’s plan in 1980 was to keep the 924 Turbo’s price under twenty grand. Now if I were to tell you that in the face of a weakening dollar against a strong Deutsch Mark that USD $20,000 has the same buying power today as USD $57,115, you’d not only have to pick your jaw up off the floor, you’d wonder why the hell Stuttgart decided it a savvy move to wipe the 5-stud hubs and rear disc brakes clean off the build sheet replacing them with four lugs and a pair of drums for Turbos destined to the US to stay under that price. Let me explain.

Porsche was still a small company 35 years ago compared to, say, their neighbors at Daimler–Benz. And when you’re a David, you do what have to in order to keep that needle millimeters away from the red lest A: you get consumed by Goliath, or B: you close up shop. Simple as that. So in order for Stuttgart to continue selling its relatively new entry level product at a far from entry level price in a market that was allotted 50% of its Fahrzeug (incoming CEO Peter Schutz would change that in 1981 to lessen dependence on the US market), costs had to be cut somewhere. Unfortunately, the rear binders were it. The way they saw it, if the 50 states version was detuned to put out 143bhp @5500 RPM and 147 lb-ft of torque at 3000 RPM further crippled by a smaller turbo, catalytic converter, and oxygen sensors, a front disc/rear drum set-up like that found on the normally aspirated 924 would be more than adequate.

The 924 Turbo made its appearance on our shores in July of 1979 as a 1980 model (easily distinguished by an exposed fuel filler cap) in a limited batch of 600 cars in an effort to keep dealers and journalists from screaming like spoiled little brats since Porsche had already started production of the 1979 model year in the summer of ’78. When you figure in that the European/ROW version got 170bhp, 180 lb-ft of torque, a larger KKK K26 turbocharger with a wastegate, and disc brakes all around, who can blame anyone for throwing a tantrum? Matter of course.

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Let’s shift the subject to a more positive note and discuss more noteworthy attributes of the US spec 931. Labeled engine version M31.02, these lumps were built in Zuffenhausen and not at VW’s Salzgitter plant sporting a completely redesigned head with inlet valves that were 3mm larger (36mm) than the 924 normal allowing the engine to suck a combustible mixture of larger volume while platinum tipped spark plugs were moved closer to the inlet valves as opposed to the exhaust valves as in the 924 normal. It must noted that the normally aspirated 924 used a head of Heron design meaning that the underside of cylinder head was machined flat since the combustion chamber was recessed in the piston crown providing a “swirl effect” to the fuel/air mixture on the upstroke whereas the turbo would have the combustion chamber in the head itself. Compression ratio remained the same on all versions at 7,5:1 that increased geometrically to 10,8:1 when the turbo was spooled up to full song at 0,7 bar (9.87 lbs) beginning at around 2800 RPM. The bottom end remained the same for both the blown and unblown version, save for the new Mahle pistons, as it was robust enough to cope with the power increase.

The clutch size increased from 215mm to 225mm control hydraulically this time, cable operation was left to the normally aspirated group. Power went through a larger 25mm diameter driveshaft spinning on three bearings mating to a Porsche designed G31.02 gearbox with a revised final drive ratio of 4,71:1 used in the normally aspirated European 924 while the 0,706 5th gear was swapped out for 0,60:1, this in the name of better compatibility for our roads. While all of this may not matter one whit to one of little technical aptitude, the driver will most certainly find the Turbo’s appeal a fortiori when engaging the dog-leg first borne of racing pedigree.

Now that I’ve lain before your feet a small primer on what the 924 Turbo was about, I’d like focus your attention to this superb little brick draped in L90E Alpinweiß. The toolkit, that’s when I knew this 931 would be worth a bother…perhaps a flight in from somewhere farther. Universal pliers, rim wrench, spark plug wrench, operating rod for rim wrench, operating lever for spark plug wrench, handle and Philips/Flat head insert, and a double-ended 10mm/13mm spanner in the original tool roll pouch speaks volumes of what to expect in terms of completeness and originality with this example.

Click for details: 1980 Porsche 924 Turbo on Denver’s Craigslist

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Year: 1980
Model: 924 Turbo
Engine: 2.0 liter turbocharged inline-4
Transmission: 5-speed manual
Mileage: 68,800 mi
Price: $7,000

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924 TURBO absolutely original, upholstery, interior paint engine and the trunk door, never disassembled or tampered, clean lines, never a crash, just missing the rear wiper, please take a good look at the photos below detail especially, has neither had absolutely no rusty hand, has all the original low coverage porsche, 5 speed box with the first guy down the original alpine porsche, air conditioning, daily driver. I accept it as payment for a classic higher value, and value in 8000 but need to sell it fast I accept razonable offers it really is an opportunity for the state and the low mileage, 68.000 original miles and replace timing belt only 1000 miles ago, I have a document, my English is not very good and detain you some time to answer, so you speak Spanish no problem and we can do it by phone, 720 440 48 eleven thank you very much

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Far from a base Turbo, a quick glance of a connoisseur’s eye will bear witness to nicely equipped 931 well in excess of the POE price mentioned in the first paragraph. Air conditioning option M573 then added USD $750 (USD $2,155 in 2014 dollars), USD $440 (USD $1,264 today) for the M560 sunroof, the dual electronically activated mirrors M261 for the passenger side and M398 for the driver’s commanded USD $190 (USD $546 in a 2014 wallet), and electric windows coded M651 added USD $300 (a 2014 adjusted USD $862) to the pot which brings the grand total so far to USD $21,560 — USD $61,942 if you were to buy it today. We’ve yet to add the what looks like a Blaupunkt CR-2001 cassette radio also found on ’78-’80 911SCs, the missing M425 rear wiper, and any other option we can’t possibly see from the images. These could include M220 40% limited slip, M404 front/rear sway bars, and the like — and no, I didn’t include the molded rear mudguard set numbered 477 821 805 because they were standard on the Yankee version from 1980. If this 931 had option M471, the infamous sport group package, this would have made it an unofficial “Turbo S.” Included would have been adjustable yellow Konis, five-bolt wheels and hubs with four-wheel ventilated discs paired with 928 floating calipers, a 23mm front and 14mm rear sway bar, the very expensive 6 x 16 forged disc silver metallic wheels similar in design to the ones found on the 928 S shod with 205/55 VR16 Pirelli P7s, and the smaller diameter four-spoke steering wheel. What have you gotten for just shy of USD $2,000 back then? A super Turbo worthy of wearing the “S” logo on its hood.

If you need further proof of this Turbo’s pampered life, look at how the brown leatherette with Fischgraet (Herringbone) beige/brown Stoffe inlays gleam as if new. The more words I put down about this 931, the more tempted I am to give it serious consideration…honestly. I can forgive the 85 MPH mandated speedometer, no fault of its own as this was federally mandated, but when I think of how much better next year’s version was and, if I may be so vain, how much more delicious it would look with a set of Fuchs, it’s worth my exercising an incredible amount of fortitude against it.

highball!

pablo
flüssig magazine

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2 Comments

  1. Porsche company is known as his bond quality in the auto industry.

  2. Man Porsche really should bring back a comparable car. I know they have the cayman, but its priced too high and isnt as everyday user freindly, its still more of a weekend car. Plus I like to see the engine and be able to work on it. cayman is a nightmare. (and the rear hatch is useless)

    If porsche produced a New 924(and turbo) using the vw 5cyl, id pay $57K. (usuming they made it from aluminum) Id be all over it. Give me something competetive to the BRZ/FRS, bmw 1M, Mustang Eco boost, Mistu EVO, Subie WRX, etc etc…

    (dont care about AWD)

    Come on Porsche dont let me down, you disgustingly make a 400hp Macan??? and leave the REAL Drivers in the cold???

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