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Date:         Fri, 26 Dec 2003 18:01:59 -0500
Reply-To:     ROBERT DONALDS <donalds1@VERIZON.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         ROBERT DONALDS <donalds1@VERIZON.NET>
Subject:      Fw: 2.2L EuroCars Engine vs 2.1l Boston Engine
Content-Type: text/plain; charset="iso-8859-1"

----- Original Message ----- From: "ROBERT DONALDS" <donalds1@verizon.net> To: "Dennis Haynes" <dhaynes@optonline.net> Sent: Friday, December 26, 2003 2:53 PM Subject: Re: 2.2L EuroCars Engine vs 2.1l Boston Engine

> I must confess that I was going threw my saved documents and this post Re: > 2.2L EuroCars Engine vs 2.1 Boston Engine > some how got sent out again it was originaly posted over a year ago. > I should stop multitasking late at night with a beer in one hand > Bob > > > > ----- Original Message ----- > From: "Dennis Haynes" <dhaynes@optonline.net> > To: "'ROBERT DONALDS'" <donalds1@VERIZON.NET>; <vanagon@GERRY.VANAGON.COM> > Sent: Thursday, December 25, 2003 11:30 PM > Subject: RE: 2.2L EuroCars Engine vs 2.1l Boston Engine > > > > Here in NY, The CO must be 1.2% or under. Since we also have to do the > > DYNO test on non Syncros, I have found the Cat is definitely needed to > > reduce the NOx emissions when under load. Gearing changes and drastic > > tire size changes have made the NOx test difficult to pass. Different > > states and in our case counties have differing emissions and testing > > procedures and limits. Everyone needs to find their local requirements > > before considering any mods. If the O2 sensor circuit and the injectors > > are working correctly, CO should average ~.5% before the Cat. If the Cat > > is actually working, the output should be near 0. > > > > Dennis > > > > -----Original Message----- > > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf > > Of ROBERT DONALDS > > Sent: Thursday, December 25, 2003 10:40 PM > > To: vanagon@GERRY.VANAGON.COM > > Subject: Re: 2.2L EuroCars Engine vs 2.1l Boston Engine > > > > Fellow vanagon types > > The Eurocars people can't back up there claim of 115 hp. This is > > hollywood horse power > > I have been building engines for a long time and there story just does > > not add up. The increase > > of compression adds 4 percent to the engine per point of compression. > > and > > the very small increase in displacement is not going to make any Big > > jumps in > > power. > > It sounds like the way they are inceasing the stroke is to offset > > grind the rod journals and use a 30 under rod bearing. The higher > > compression Ratio of 10 to 1 requires 98 octane to prevent preignition > > and engine damage and this could cost power not make more dont try this > > at home folks. so these claims just don't hold water folks and I am the > > last one to knock anybody. > > > > ]The European 2.1 10 to 1 engine had Digijet and that injection did have > > a different chip than the Us version 1.9 engines. The diiferant Chip > > adds allot more fuel than the US model. This is where the power comes > > from this could also lower fuel economy when the van is driven > > aggressively > > I have this past weekend tested a European 10 to 1 Digijet chip on a > > chassis dyno this added 20% power to my 84 van with 2.1 big valve engine > > that was I must admit out of tune and sligthy down on power overall. I > > think this chip is everything the phony balony ozzie chip wishes it was > > (lots more fuel). some of you may remember that I dyno tested the ozzy > > chip and the engine lost 4 hp and the air fuel ratio was way to lean. > > Ken wilfy and I are looking into more copys of the digijet chip and > > we will be offering them soon. > > The camshaft I use in my big valve rebuilds is a minor reprofiled > > reground from a stock 2.1 cam and with no cat it will easily pass smog > > Co 1.67 Hc 141 at a hot idle. The main problem with going to a non stock > > cam is when you have allot more duration this disrupts the vacuum signal > > and you cant have that with fuel injection systems and still have > > driveabilty. I don't think eurocars is using a big cam to make power > > It is easy to make claims of huge horse power and not so easy to back it > > up > > thats the real deal > > Bob Donalds > > Boston Engine Exchange > > 1 508 653 7229 > > all rights reserved > > > > >


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