Re: Engine code question

[David LeDeaux <das@internetwork.net>]

That is a good point.  I knew that the compression would make a difference
on the horsepower, but I figured the different injection schemes on those
vehicles would also show a difference in horsepower.... wonder where I can
find a JH engine :)

At 11:52 AM 8/1/98 -0700, Kevin wrote:
>I'd like to remind you the the higher horsepower ratings shown are almost
>entirely a function of the auxilliary systems of the CAR, not the engine.
>i.e. exhaust, intake, fuel injection...
>	The only 2 exceptions are compression-- and you don't want the 10:1
>compression w/ a CIS motor anyways! It's a lot easier to increase
>compresssion (like an 8.6:1 JH--shave the head) than to lower it.
>	The other exception is the camshaft. Presumably you'll be going to a
>G-grind anyway, which is the best all-around cam for 99 bux.
>Which is why I say that for a swap to regular CIS, the JH rules. 
>
>At 01:40 PM 8/1/98 -0500, you wrote:
>>That's very helpful, but I have a couple of other questions.  I notice in
the
>>list that some of the engines use digifant injection.  Are the actual
>>injectors
>>the same? I.E, can I use one of the RD/PF engines with my CIS injection?
I'm
>>not too worried about reving high... I rarely do it.  (Except when I miss a
>>shift going into fifth at 70... 6500 RPM in third gear *what a rush*)
>Usually
>>I'm out of a gear by 5000 RPM when I'm "gettin after it".
>>
>>At 01:56 PM 8/1/98 -0400, balance wrote: 
>>>
>>> There are many VW 1.8 liters available-
>>> JH (in the early models) was a solid lifter, 90 hp,
>>> very reliable motor used in the Early GTi's and
>>> Scirocco 8V's(and Cabrio)
>>> some say the solid lifter head takes better to
>>> performance mods,
>>> as there is no "cushion" in the lifters so it allows
>>> for higher rev's
>>>  
>>> Personally, I like the later model RD or PF code
>>> engines-Hydraulic lifters,
>>> 100+ HP, 110+ FT Lbs. torque.
>>>  
>>> Here is a chart from my Bentley Golf manual- (these are
>>> all 1.8's)
>>>  
>>> Engine code-            HP        Torque     compression
   
>>> notes-
>>>  
>>>    JH                            90             ?               9-1
>>>    GX                           85            96             
>>> 9-1                     Early Golf 
>>>     MZ                           90            98             
>>> 9-1                      later Golf
>>>    HT                           100          105           
>>> 10-1                    85-87 GTi (8v)
>>>    RD                           102         110          
>>10-1               
>>> Later Jetta, golf (digifant?)
>>>    PF-                          105          114          
>>> 10-1                    Digifant
>>>    PL                            123         120          
>>> 10-1                    1.8 16v
>>>  
>>> Hope this helps,
>>>  
>>>      Percy.
>>
>>
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>>
>
>Kevin Fry .:. 81 Scirocco S
>      San Diego, CA
> 
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