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Re: 71 B running out of steam

To: James Nazarian Jr <James.Nazarian@Colorado.EDU>
Subject: Re: 71 B running out of steam
From: "Andrew B. Lundgren" <Lundgren@iname.com>
Date: Fri, 18 Aug 2000 14:11:05 -0600 (MDT)
Two B engines, one a '67(68?) the other a '77, they both seem to pass the power 
peak at the same point as yours.  In 1st it will climb up climb up higher, but 
it feels like it is past the top of the curve...  

(I work about 15min from boulder, and got rained on big time yesterday, but the 
top was up!)

On Fri, 18 Aug 2000, James Nazarian Jr wrote:

> I think this is a silly question, but I haven't had much to say lately so
> I think I'll burn up some bandwidth.  Recently I replaced my resonator,
> and as some may remember my car has only a resonator, no muffler; well, it
> was a bit too loud so I put a slip in silencer in it to appease the noise
> police.  Between the combination of the new exhaust creation and the
> leaning out of my mixture (finally tuned to altitude after only three
> years) I run out of steam at about 5500 RPM.  The car has always loved to
> rev and it was tuned perfectly to sea level.  I am now at about 6000' and
> I took 6 (I think) flats out of the jets.  The tuning using the engine
> speed change when depressing the plunger on opposite carb procedure has
> never worked so I more or less blindly leaned the mixture out.  This has
> solved my hot start/idle problems and has doubled my gas mileage but I
> think I may have gone a bit too far.  I don't feel like the engine is
> being choked by a restrictive exhaust, because I experienced that during
> my bastardization of the exhaust.  
> 
> Is it reasonable to assume that if the mixture is too lean the car will
> not be able to rev at high RPM, and will lack all power at high RPM?
> 
> James Nazarian
> '71 B roadster
> '71 BGT ever so slowly turning into a V8
> '63 Buick 215 
> 
> "I sure wish I had a racer's budget, or are the racers just better at
> explaining expenses to the wife?"
> -Unknown
> 
> 


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