Amazing the electronics today allow compression ratios north of 10:1 with no
harmful detonation.

Mike

Who now needs a reliable car. Darn

On 3/1/07 9:00 AM, "Bob Donalds" <donalds1@VERIZON.NET> wrote:

> Kim
> no slam intended
>
> I know this engine as the 10 to 1 engine and I have never done the
> measurements. I do now that 9.6 to 1 is not useable with todays fuel in a
> vanagon.  I dont care what GO Westy says or does even they have backed off
> on the compression ratios of there engines. I say that from the prospective
> of an engine rebuilder so this is not "what can I get away with". Rather I
> know that happens when you go into thermal overload "ping". The first thing
> that happens is you loose power, the combustion chamber takes a beating and
> the one part of this most overlooked is you can throw a rod due to the
> pounding the rod bearing see's.
> I have seen so many instances of ping eating engines in the short term
> (months not years) that I can asy with conviction that any ping is something
> that must be avoided at all costs and todays fuels SUCK in no unsertain
> terms. They dont make a fuel that acomidates older cars peroid older meaning
> without knock sensors
>
> Bob Donalds
> Boston Engine
>
> ----- Original Message -----
> From: "Kim Springer" <kimspringer@RCN.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Wednesday, February 28, 2007 11:08 PM
> Subject: Re: FS: 2.1 "DJ" code 112 HP WBX New/Rebuilt
>
>
>> I'm not one to doubt you Bob, as you have way more experience in the WBX
>> world.  But, that said, I had a DJ engine with only 70K on it from Europe
>> and in order to federalize my truck, I had it rebuilt, switched it to
>> Digifant with a cat., changed the distributor, and I'm running that engine
>> now.
>>
>> I measured everything when I did the rebuild.  I cc'd the heads and they
>> were the same as stock MV.  I cc'd the pistons and they were less deep
>> increasing the CR to 9.6:1.  My cam grinding friend profiled the cam, and
> it
>> is indeed stock as you said.  Bad metal on the cam as one lobe was worn,
>> (not uncommon I hear).  I found a good cam to work with and we ground it
>> stock.  The engine has nice power, I'm sure not the 112i it used to have
>> with original ECU, different distributor and no cat, but it's good enough
>> for me.
>>
>> VW calls 8.6:1 a 9:1.  This is a 9.6:1 engine we are calling 10:1, but
> it's
>> not really 10:1 based on my measurements.
>>
>> I does need 92 or it detonates, (not a ping folks, it's a pong, and not
>> terribly on 89 either) but I hear no nothing under load at low RPM,
> climbing
>> a hill in 3rd (it's a 5 speed) next to a tall concrete wall as long as it
>> has the 92 octane.
>>
>> All that said, let's see how long it lasts.  It has about 15K miles on it
> so
>> far with no problems.  Based on my experience, I wouldn't be afraid to set
>> up a DJ engine in this way.
>>
>> Kim Springer
>> White '89 Tristar (#7 off the assembly line)
>>
>>
>> ----- Original Message -----
>> From: "Bob Donalds" <donalds1@VERIZON.NET>
>> To: <vanagon@GERRY.VANAGON.COM>
>> Sent: Wednesday, February 28, 2007 5:25 AM
>> Subject: Re: FS: 2.1 "DJ" code 112 HP WBX New/Rebuilt
>>
>>
>>> I have a set of DJ 10 to 1 pistons the tops look like they got hit with
> a
>>> shot gun blast, bits of piston missing from detonation. I do believe the
>>> valve size is stock on all AMC heads unless they have been B. Bobed and
>> the
>>> cam is the same as all other 2.1s
>>> The DJ engine requires 98 octane fuel. The differance in the rated power
>>> comes more from the ECU than the increase in compression if you had gas
> to
>>> match
>>> Even go westy knows 10 to 1 does not work and they tried
>>>
>>> Bob Donalds
>>> Boston Engine
>>>
>>>
>>>
>>> ----- Original Message -----
>>> From: "Kim Springer" <kimspringer@RCN.COM>
>>> To: <vanagon@GERRY.VANAGON.COM>
>>> Sent: Tuesday, February 27, 2007 11:29 PM
>>> Subject: Fw: Re: FS: 2.1 "DJ" code 112 HP WBX New/Rebuilt
>>>
>>>
>>>> I carefully cc'd my DJ on my Tristar.  It's 9.65:1, and you are right,
>> it
>>>> needs premium.
>>>>
>>>> Kim
>>>>
>>>>
>>>>> You are certainly in the ball park with price, they also have MUCH
>>> higher
>>>> compression, like 10.5-1 instead of 8 or 9-1 so premium fuel is
>> important.
>>> I
>>>> think one could re-curve a 1.9 distributor to match. They are mainly
>>> auction
>>>> only.
>>>>> Jeff.
>>>>>
>>>>> ----- Original Message -----
>>>>> From: rpc <populuxe59@yahoo.com>
>>>>> Date: Tuesday, February 27, 2007 12:05 pm
>>>>> Subject: Re: FS: 2.1 "DJ" code 112 HP WBX New/Rebuilt
>>>>>
>>>>>> Jeff,
>>>>>>
>>>>>>  It is just a long block, I don't know anything about it.  The
>>>>>> mechanic secured it for me because my original motor has 185K and
>>>>>> he thought going new was better/cheaper than rebuilding the
>>>>>> original.  I didn't know anything about the codes and only last
>>>>>> night checked them in preparation for selling to ensure it was a
>>>>>> 2.1 L.
>>>>>>  If you don't mind, what do they go for on ebay? is it a "store"
>>>>>> sale/buy it now? or do they auction them?
>>>>>>  sincerely,
>>>>>>  Chis C
>>>>>>
>>>>>> Jeff Hogue <lnjhogue@EASTLINK.CA> wrote:
>>>>>>  Hey, Do you have the ECU and distributor to make this package
>>>>>> complete? The 112hp comes from ECU, different ignition, exhaust,
>>>>>> valve diameter and cam grind. With AMC heads, the engine is
>>>>>> basically MV without the rest of the package. I see these bit from
>>>>>> time to time on eBay.
>>>>>> Cheers, Jeff.
>>>>>>
>>>>>> ----- Original Message -----
>>>>>> From: rpc
>>>>>>
>>>>>> Date: Tuesday, February 27, 2007 11:15 am
>>>>>> Subject: FS: 2.1 "DJ" code 112 HP WBX New/Rebuilt
>>>>>>
>>>>>>> Selling my "reserve" engine. Bought it through my local indi
>>>>>>> Vanagon mechanic (former dealer mech) for use in my Multivan or
>>>>>>> syncro project. My MV is still going strong and haven't yet
> found
>>>>>>> a syncro camper worth while to have the mechanic install this. I
>>>>>>> need the money more than a project.
>>>>>>> This is a "DJ" code engine, not an "MV". Has AMC heads. This
>>>>>>> engine was not offered in the US. A "DJ" 2.1 is rated at 112
> h.p.
>>>>>>> It is in a VW crate and I was under the impression it was
> new--not
>>>>>>> a rebuild. I can't be sure of this and not knowledgeable when it
>>>>>>> comes to VW engines so it could be a rebuild from Germany or
> S.A.
>>>>>>> Sorry, no photos at this time. If there is interest I could
>>>>>>> remove it from the packaging but it is heavy, long block with
> fly
>>>>>>> wheel.
>>>>>>> I will answer Personal Mail Questions Off list.
>>>>>>>
>>>>>>> Price $2,500 obo
>>>>>>> Located in Green Bay, Wisconsin.
>>>>>>> Delivery possible within reason or freight shipping
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Chris C
>>>>>>> 920-660-7053
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>