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>From: Toby Erkson <Toby_Erkson@ccm2.hf.intel.com>
>However, the T4 PORSCHE engines put out a little more, like 80hp for the
>1.7L D-jet, 76hp for the 1.8 L-jet and 95hp for the 2.0L D-jet. Also, what
>are the hp figures for a T4 engine designed for the 411, 412? Though I
>don't know what the figures are, the Buses *may* have had different torque
>curves than the 411, 412.
These are surprisingly different; interesting.
>What are the differences between the 914 T4 engine and the VW T4 engine?
>The motors are identical, except for the following items:
> 1. Case. Stronger, better finish, oil filter in different spot.
Really???
> 2. Flywheel. Cut for larger clutch.
> 3. Crankshaft. Wider journals, hardened, balanced.
So the rods/case must be different also???
> 4. Pistons. Higher compression, better quality.
> 5. Heads. Different port layout, better flow. Better valves (sodium
filled on
> 2.0)
Didn't the bus get sodium valves also, eventually?
According to Gene Berg, the fan hub on the 411 is turned from cast
iron, while the 914 fan hub is steel. He confirmed that the 311 hub was
also steel.
I find it hard to believe that VW would use a cast iron part in that kind of
application, but Gene seemed well informed and agreed that it was borderline
insanity.
> I got bored so I pawed thru my literature and discovered that the T4
>Bus motor of 1972 1700, is only 63HP and the 1800 is 65HP,
> I dont remember who was keen on putting the T4 in a Square but it seems
>a waste since our stock 1600's were 65HP! Now maybe the 2.0L, I dont have a
>figure on it but I would like to know the weight too.
>Keith
I agree that if one were going to do this, it would make no sense to bother
with a 1.7 or 1.8.
Jim
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Melissa Kepner Jim Adney
jadney@vwtype3.org jadney@vwtype3.org
Laura Kepner-Adney
Madison, Wisconsin
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