Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: 28.8 MPG
From:ROBERT DONALDS
Date:Tue, 31 Aug 2004 20:37:08 -0400

what brand is the chip you are running these days
ozzy ? S curve ?
what RPM is the engine at at 65MPH
B Bob
----- Original Message -----
From: "Robert Lilley" <RClilleyjr@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, August 31, 2004 6:47 PM
Subject: 28.8 MPG

> Well, I finally got around to replacing my air plenum, throttle body, air
> runner gaskets, FI seals, setting back timing to stock setting and fixing
> fuel leak in one line (previously unknown), ADDED 4 missing clamps for the
> idle speed control valve circuit; Two on the rubber tube and 2 on the
> grommet on the center plenum and ISCV.
>
>
> I took the throttle body apart cleaned, replaced the seals and Set the gap
> on the switch.  I put on a used newly painted center plenum, replaced the
> gaskets under the air runners added new seals and added clamps that were
> missing.  While looking at ETKA, I noticed that there were clamps on the
> ISCV circuit.  Mine had none, so I ordered some.
>
>
>
>
>
> I went for a 55 mile drive. About 10 miles were in city traffic the rest
> was
> on highway going ~65.  I filled up just prior to taking the trip and it
> lasted @1 hour in 100+ heat in Mesa AZ.  I filled up immediately after
> stopping the trip.  Starting on a full tank and then filling back up it
> took
> 1.9 US gal.  While this is no means scientific, many more miles need to be
> run, it is just nice to finally get the mileage back up.
>
>
>
> I did not use AC it is soon to be fixed, I did not rev the engine high,
> just
> normal take offs.  I used barely any pedal to keep going 65+.  The
> Digifant
> FI is not a "racing" FI system but a "cruising" one.
>
>
>
> Next project is the A/C along with cooling system flushing and some minor
> parts replacing.
>
>
>
> This is with a modified WBX engine.Cam, crank, ECU chip, ratio rockers,
> exhaust, intake, etc.
>
>
>
> PS When I first put my modified engine in, I was having a noticeable
> whistle
> when I first opened the throttle.  I replaced gaskets and rebuilt the
> throttle body, chased a lot of things but the whistle was still there.
> Finally after changing the throttle body and center air plenum it has
> virtually disappeared.  Do not know if it was the throttle body or the
> center plenum.  I would suspect the center plenum because there is nothing
> physically wrong with the throttle body I can detect. The shaft is tight,
> seals are new and soft, no defects that  I can find.
>
>
>
> PSS If you do not believe me, come and let's go for a ride.