924Board.org

[Brendan]

I keep hearing about the '77 1/2 924 model year. I just bought a '77 (or maybe a '77 1/2?)


Should I care? Was there a design change mid year?

[Khal]

[Captain_Kirk]

What's the best way to tell if 77 1/2? Mine has a rear sway. Any way to check by vin or is it a certain build date? Like if it's a (i.e. 10/76 and later, it's a 77 & 1/2)?
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1977 924na BlackSeaRD.com Torque Tube SuperBearings, Xenon air dam, 200# Weltmeister springs, Bursch header, 944 exhaust, Audi throttle body

[924RACR]

Check the engine code.

The 77.5 engine was much better, more powerful, in a number of ways.

Of course, you might even find the answer if you read the FAQ!
_________________
Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype

[Brendan]

I looked and don't see anything regarding this question. If it's in there, I'd love a link.


Thanks,
Brendan

[Captain_Kirk]

Click on the blue worded line in Khals post that says
"The engine codes changed from XH, XF to XG, XE and the transmission codes changed from 088/6 to 088/A, apparently.
Print it then take out to your car and find engine code.
Cant wait till I get home and see if two little letters give my '24 fifteen more horseys.
_________________
1977 924na BlackSeaRD.com Torque Tube SuperBearings, Xenon air dam, 200# Weltmeister springs, Bursch header, 944 exhaust, Audi throttle body

[924RACR]

http://www.connact.com/~kgross/FAQ/944faq02.html
_________________
Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype

[Khal]

Do you want a list of every piece that was changed between the original and/or '77 model and the so-called "77.5" model? If so, I very much suspect you are S.O.L. and it doesn't exist.

With my first post, I answered both parts of your question in your first post, the conclusion being; You shouldn't really care.

But OK college kid, we'll hold your hand...

(the following definitely applies to U.S.-market cars but may be true of rest-of-the-world cars as well):

a) I know the original cars did not have fully galvanized bodies (if they were galvanized at all?). I am not 100% sure when this changed but to the best of my knowledge, my '81 is fully galvanized.

b) I know the original cars had lower-compression (i.e. less powerful) engines. I am reasonably sure the difference was in the pistons. To the best of my knowledge, the major 924 engine components are, generally speaking, fully interchangeable. There is certainly the odd different or updated part here or there over the years, especially the pistons and ignition system. But as I understand it, if you pull the head/manifolds/crank/pistons/cam/etc off one 924, it'll bolt right on to any other 924, regardless of year.
The BIG changes were made to the 924 Turbo and the 924S... the 924 Turbo has what is effectively a completely different engine and the 924S is almost a completely different car, just has the same body.

c) I know the 924 only had a four-speed or an automatic from introduction through the '78 model year. In fact, I don't the think the pre-"77.5" cars even had the option of an automatic. I'm not sure exactly when the five-speed became available. But I'm reasonably confident it was for the '79 model year.

If you want to know anything more than that, I think you'll have to find it yourself. You must appreciate that this 'board is a conglomeration of over a decade worth of conversation with no real structure. The Answer is most likely here. But you're most likely going to have to do some leg work to get it.

I get the feeling you have some modification in mind, and you'd like to know if it's even worth pursuing before you put any time/money into it? So, what is it, specifically?
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'80 924 Turbo

[Brendan]

Ah, the internet, where every man is a king.

Thanks anyway, Khal. Maybe next time.

[Captain_Kirk]

Dang. XH engine code on mine.
Didn't realize how low my vin was either 9247200155
_________________
1977 924na BlackSeaRD.com Torque Tube SuperBearings, Xenon air dam, 200# Weltmeister springs, Bursch header, 944 exhaust, Audi throttle body

[Khal]

[CorsePerVita]

We're a sarcastic bunch here, thick skin. Don't sweat it. I know that my 77' is slow, rusts and rusts faster than it accelerates.

But I love it.
_________________
- 1977 Porsche 924 2.0 N/A (Trackday Project)
- 1979 Porsche 924 2.0 N/A (The other daily)
- 1980 Porsche 931 (Daily)
- 1987 Lamborghini Jalpa
- 1999 Ducati 900SS

[staticsan]

The 77.5 was, IIRC, the first major revision to the car. But as is Porsche is wont to do, the revision was merely a sum of a lot of little things. For instance, I believe emissions controls only started appearing in the 77.5, depending on the marker. There was an extra resistor in the ignition circuit in the 76 that proved superfluous. The cabin fan gained an extra speed in later cars (from two to three). The centre console was added fairly early, perhaps as late as the 77.5. There were a few extra fuses from the 77.5 onwards; I think the horn might not have had one in the 76. The rear hatch didn't have its spoiler right at the start. I don't have my Haynes book here, so I'm guessing, I'm afraid, on all these. But it was all little things like that.

OTOH, things I do know for sure was that the manual boxes were all four speed until (I think) 1980. This was the same point that full body galvanising came in. Up until then, only the bottom half was. It should be noted that that model was a more major revision than the 77.5 one.

Wade.

[daniel]

My 77.5 has a dog leg 5 speed box

Daniel
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Over the top of skyline, total brake failure.... hit the wall at over 200 kp/h at the dipper, so anyone who has to brake for the esses is a pussy.
1977.5 Race Car, CAMS Group S Spec
1989 944 Cabriolet

[Joes924Racer]

Theres a few hardcore types of a kind here thats for sure. Id
like to try a 4 spd. the dog-leg 5 is cool for highway driven.
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1979 porsche 924 Na
1980 porsche Turbo 931GT Replica
Have u ever driven a turbo.