Guess who joined the 2L club? [Dyno: 1.8 vs 2.0]

[roccit_53 at hotmail.com (C Boyko)]

You can always use more power...but there really is no point at which the 
stock 1.8 makes more than the 2L, nice plots Jason, I knew you'd come 
through.
Cathy


>From: "Julie Macfarlane" <juliemac57@hotmail.com>
>To: jason@scirocco.org, treed2@u.washington.edu
>CC: scirocco-l@scirocco.org
>Subject: Re: Guess who joined the 2L club? [Dyno: 1.8 vs 2.0]
>Date: Wed, 15 Oct 2003 13:03:15 +0000
>
>Talk about night and day! The difference is very apparent!
>As for the cam I am going to assume its the Euro intake cam that you are 
>talking about.
>It has a longer duration for open to closed ratio correct?
>Also porting and polishing the head will help as well?
>
>(Like Julie needs any more power)
>(Well yet....  :)
>
>
>Julie Macfarlane
>Menlo Park Research & Development
>Internet Application Developer
>www.menloparkrandd.com
>www.montgomeryweb.org
>Amsterdam NY
>
>
>
>
>
>>From: Jason <jason@scirocco.org>
>>To: "Julie Macfarlane" <juliemac57@hotmail.com>,treed2@u.washington.edu
>>CC: scirocco-l@scirocco.org
>>Subject: Re: Guess who joined the 2L club? [Dyno: 1.8 vs 2.0]
>>Date: Wed, 15 Oct 2003 07:40:59 -0400
>>
>>At 06:54 AM 10/15/2003, Julie Macfarlane wrote:
>>>Jason do you have a duno of the 1.8 and the 2L I could see? I would love 
>>>to compare them.
>>
>>
>>Sure -- anything for you guys. :)
>>
>>http://www.scirocco16v.org/dyno/2-0%20vs%201-8.jpg
>>
>>What you'll see is that just off idle (ahem 1500rpm, Larry), the 2.0 puts 
>>down about 103 lb-ft of torque; the same as the 1.8 puts out at its peak.
>>
>>These curves are both from my car.  They use the exact same fuel injection 
>>system, manifolds, exhaust, computers... everything.  I literally did 
>>nothing but pull the block and head off and replace them...  thus any 
>>differences are attributable directly to the engine and not any other mods 
>>or tuning.
>>
>>At high revs, the 2.0's advantage begins to wane.  That's to be expected; 
>>even with the same head as a 1.8, it's got 10% more air to move in and out 
>>of those cylinders.  That breathing difficulty is easily solved with the 
>>addition of a cam.  Which, coincidentally, I will be demonstrating on a 
>>dyno this Saturday.  [I hope!]
>>
>>
>>Jason
>>
>>
>>
>>
>>
>>
>>
>>>Julie Macfarlane
>>>Menlo Park Research & Development
>>>Internet Application Developer
>>>www.menloparkrandd.com
>>>www.montgomeryweb.org
>>>Amsterdam NY
>>>
>>>
>>>
>>>
>>>
>>>>From: "T. Reed" <treed2@u.washington.edu>
>>>>To: Jason <jason@scirocco.org>
>>>>CC: scirocco-l@scirocco.org
>>>>Subject: Re: Guess who joined the 2L club?
>>>>Date: Tue, 14 Oct 2003 22:35:51 -0700 (PDT)
>>>>
>>>> > Remember that the 2.0 makes more torque off idle than the 1.8 does at 
>>>>its
>>>> > peak.  There is a huge difference in drivability... the 2L is just a 
>>>>much
>>>>
>>>>Eh-whaaa?? Are you sure about this? Last time I checked the 2l torque 
>>>>peak
>>>>was ~132hp at ~4000 rpm while the 1.8l torque peak was ~123hp at ~4250
>>>>rpm. Yes, the powerband of the 2l is much broader but I can't see it
>>>>making 123hp at idle!! That would kick ass, though!
>>>>
>>>>-Toby
>>>>
>>>> >
>>>> > Congrats!
>>>> > Jason
>>>> >
>>>>
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>>
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