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Eli K's Avatar
 
Join Date: May 2004
Location: DC/NC
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Major differences between 944 and 924S

Hi folks.
Just recently I purchased an 88 924S.
Having owned several 944s in the past I'm somewhat familiar with the basics, but am looking for more information regarding similarities and differences in both cars.
I understand that it's really a combo of a 944 drivetrain and 924 body, but is there an online source outlining more details?
So far I've found that the location of speed sensor is different, etc.
How about suspension? etc?

Thanks in advance.
Eli

PS.
The car is not street legal and is completely gutted and is fully set up for 944CUP.
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911
Old 01-20-2006, 07:38 AM
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The 924S is a mixture of early and late parts. It had early offset suspension, however had the later style aluminum trailing arms in the back. However the 924S uses late offset wheels so they fit into the skinny fenders.

I have also heard that the 5th gear on the 924S is not as tall as the 944, so it wasnt 'faster' than the 944.

Your '88 also came with a higher compression motor, same as the '88 944. I think these made closer to 155-160hp as opposed to the 140-ish for the sub '87 models.
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Past worth mentioning - 1987 924S, 1987 944, 1988 944T with 5.7L LS1
Old 01-20-2006, 08:17 AM
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The speed and reference sensors for the 944's and the 924S's are the same and in the same locations. The engine in the 924S is the same 2.5L as found in the later (85.5) and up 944's. Not quite the same as the early 944's. An early 944 engine has a different temp sender for the gauge and the lower port for the oil filler is smaller. Note this is a basic engine sans the intake, injectors and exhaust.

The exhaust timing is a tad longer on the later 944's. Gives a few more HP.

You can put a later engine into an early chassis. Not so easy to put an early engine (block) into a later chassis.
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Hugh - So Cal 83 944 Driver Person
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When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
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Old 01-20-2006, 08:43 AM
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Quote:
Originally posted by SoCal Driver

You can put a later engine into an early chassis. Not so easy to put an early engine (block) into a later chassis.
Thanks! That's good to know.
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Old 01-20-2006, 09:23 AM
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Oh yea, are the fuel lines still routed over the intake on the '88 924S?
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1988 Granite Green 911 3.4L
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Past worth mentioning - 1987 924S, 1987 944, 1988 944T with 5.7L LS1
Old 01-20-2006, 10:03 AM
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You don't use the donor engines fuel rain and feed lines uless they are the same as what is in the car. Injectors maybe.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 01-20-2006, 03:16 PM
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Yes, they are over the intake. The 924S is a little bit faster (higher theoretical top speed) even with the lower fifth gear, due to the lower coefficient of drag,as these cars are drag limited. The '24S is also lighter, freeing up a little bit of power.
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Old 01-20-2006, 08:27 PM
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The 924S uses the early style tranny.
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Old 01-21-2006, 04:15 AM
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