Thanks Jarrid. I will try the Carb Cleaner trick when I get back home.
Hopefully this is all that is wrong. Like I said, I really did not expect to
have any issues since the Carb was running fine when I took it off the old
engine several weeks prior.
>
> From: "Jarrid Gross" <jgross@econolite.com>
> Date: 2003/02/04 Tue PM 02:18:48 EST
> To: <cs_tscg@bellsouth.net>, <alpines@autox.team.net>
> Subject: RE: Re: New Engine & Overdrive
>
> >Oh, one thing I forgot to mention, it runs rough regardless of RPM. It only
>runs smoothly when I accelerate. Then it is VERY smooth!
>
> Means that your power valve is working.
>
> Did you set the float height?
>
> Tell us the choke/venturi sizes (usually cast into the side of the carbs), and
> we can probably tell you the propper primary and secondary main jets.
>
> Typically, the venturi on a 32/36 is 24 and 27mm.
> There are many models of DGV or DGEV or DGAV ECT and many are application
>specific, where
> a specific venturi diameter and corresponding main jets are needed.
> One set of jets may work well in one carb, but not another.
>
> The idle jets are usually not a problem, as you can usually make the engine
> idle even of its the wrong idle jet. The worng idle jet MAY still stumble in
> the transition between idle and cruising throttle position.
>
> The air correction jets will usually cause a problem at the top end, so dont
> worry too much about them (might not even be removable).
>
> The accel pump jet or linkage doesnt sound to be the problem either.
>
> Its been mentioned allready, but if you get some good quality carb cleaner
> (not the kind you get in California) you can spray arround the carb base, and
>intake
> manifold to head interface, and perhaps discover where your vacuum leak is.
>
>
>
> Jarrid Gross
>
>
>
> -----Original Message-----
> From: owner-alpines@autox.team.net
> [mailto:owner-alpines@autox.team.net]On Behalf Of cs_tscg@bellsouth.net
> Sent: Monday, February 03, 2003 3:25 PM
> To: alpines@autox.team.net
> Subject: Re: Re: New Engine & Overdrive
>
>
> Oh, one thing I forgot to mention, it runs rough regardless of RPM. It only
>runs smoothly when I accelerate. Then it is VERY smooth!
>
>
> >
> > From: ellis838@concentric.net
> > Date: 2003/02/03 Mon PM 05:57:53 EST
> > To: "alpines@autox.team.net" <alpines@autox.team.net>
> > Subject: Re: New Engine & Overdrive
> >
> > Rough running at low rpm could be a lot of things valve adjustment,
> > vacuum leak and such but if you have all these things right and feel
> > good about the condition of the engine my guess is it is to lean. Try
> > increasing the main jet size in the primary and see if it gets better.
> > 140 primary and 160 secondary would be a good place to start if you have
> > a big cam you may want to go bigger. Jim E
> >
> > cs_tscg@bellsouth.net wrote:
> >
> > >Over the past few weeks, I have been working the Series IV. The first
>thing I did was replace the original engine which had started leaking water
>internally. I replaced it with my rally engine I had built a few years ago. It
>was going in a car I wanted to use to enter road rallies. However other
>commitments have prevented me from going ahead with this project. The engine
>is a early series with .060 pistons and a late series head. It also has the
>late series fuel pump. I am running the single Weber, but plan to switch it
>with the duel 40DOCEs. I went with the 1600 block because I wanted the block
>to match the car. (which now it doesn't) I am having a little trouble tuning
>everything. I didn't think the setup would make much difference in jetting,
>but it may. When I activate the 2nd stage of the car, it runs great. But when
>I am just cruising, the car runs rough. I will look into this in the next week
>or two as time permits. Maybe I will just go on with the dual 40s. I am o!
> pe!
> > n!
> > > to opinions on the jetting issue.
> > >
> > >The other thing I did was install one of two overdrive transmissions I
>had. I hooked everything up last night but did not have time to test drive. My
>first experience with the new transmission was this morning on my way to the
>airport. Wow! What a big difference it makes. I was racing the big SUVs! I did
>no expect it to work first time out since I was using old scavenged electric
>parts. But one flick of the switch and the RPMs dropped. What a good feeling.
> > >
> > >Next - AC and a hardtop!
> > >
> > >Just wanted to share the joy
> > >
> > >Chris Stephenson
> > >PeopleSoft Implementation and Support
> > >cs@tscg.net
> > >(404) 915-7669
> > >
> > >.
> >
>
> Chris Stephenson
> PeopleSoft Implementation and Support
> cs@tscg.net
> (404) 915-7669
|