[Nobbc] Lotus owners with webers

[Tony Korman]

TR6
thanks
I have reason to believe there is a vacuum leak at the intake gasket  
that may have an impact also
Thanks
Tony

Sent from my iPhone

On Feb 22, 2010, at 10:20 PM, gtwincams at gmail.com wrote:

> Tony,
> What are you driving?
> Greg
> Sent via BlackBerry by AT&T
>
> -----Original Message-----
> From: Tony Korman <tonykorman at sbcglobal.net>
> Date: Mon, 22 Feb 2010 21:55:33
> To: North Bay British Car Club<nobbc at autox.team.net>
> Subject: Re: [Nobbc] Lotus owners with webers
>
> They work but I feel they could do better. Would like another opinion
> Tk
>
> Sent from my iPhone
>
> On Feb 22, 2010, at 9:03 PM, gtwincams at gmail.com wrote:
>
>> Different animal, Tony. Webers and similar fixed choke carbs work
>> differently than CD carbs like Strombergs and SUs.
>> Keith Frank is the Weber jet developer Sarto is referring to, and in
>> my conversations with him over the years he has indicated that he is
>> not a ZS expert. Are you having problems with your carbs?
>> Greg Tatarian
>> Elan S4
>> Sent via BlackBerry by AT&T
>>
>> -----Original Message-----
>> From: Tony Korman <tonykorman at sbcglobal.net>
>> Date: Mon, 22 Feb 2010 19:41:05
>> To: North Bay British Car Club<nobbc at autox.team.net>
>> Subject: Re: [Nobbc] Lotus owners with webers
>>
>> Can whoever did it do Strombergs
>>
>> Sent from my iPhone
>>
>> On Feb 21, 2010, at 12:53 AM, Sarto Rocheleau <sarto477 at yahoo.com>
>> wrote:
>>
>>> Hello All---
>>> I want to make an announcement that as of today, I now have
>>> perfectly tuned
>>> 151 webers. No bucking, no flat spots, smooth at idle to wide open.
>>> It pulls,
>>> in all gears, like it had 15 more HP. and when it hit 4,500 rpm it
>>> had a surge
>>> of new power. Hard to believe, an old friend, Keith Franck, after
>>> years of
>>> research, has re-engineered the E-tubes and hypojets to perfection.
>>> What he
>>> has done to webers is quite scientific and over my head so I copied
>>> a post
>>> below of some of the details from Keith's site.
>>> Sarto
>>>
>>>> Re: Sarto's Tuneup
>>>> He already had my experimental e-tubes that were 8.35mm in diameter
>>>> so the
>>> impedance is okay. Next we found the front carb had the fuel level
>>> set too
>>> high by 1mm so we lowered it back down to 25mm. The first set of
>>> hypojets to
>>> get installed were .020" ones and when the rpms was elevated using
>>> the idle
>>> speed screw it got hung at about 2000rpms and it was spitting,
>>> that's a dead
>>> giveaway clue it's too lean! The stock idlejets were 45 something so
>>> next we
>>> stuck in .026" hypojets. That did the trick, it immediately revved
>>> up and down
>>> like a sewing machine. Went for a test drive and it runs absolutely
>>> flawlessly. The only issue to resolve is whether or not it needs
>>> apertures in
>>> the first progressive holes because it did exhibit symptoms of
>>> having a lazy
>>> idle. Sarto installed a set of temporary apertures and just drove
>>> off to test
>>> if those will in fact make the slight lazy idle symptom go away.
>>> Depending on
>>> how that goes will determine if we need to glue in
>>> the permanent apertures or not.
>>>> -Keith Franck
>>>>
>>> He did not need the apertures after all, reducing the idle speed a
>>> tad is all
>>> it took to stop the lazy idle symptom. Gave him some of the 1mm and
>>> 2mm
>>> spacers to elevate the e-tubes to test later on. He left to go over
>>> to Mike
>>> Ostrov's to have Mike see the results firsthand. It runs like sewing
>>> machine
>>> is the best way I can describe it but also hauls ass when you want
>>> too.
>>>
>>> We did the tuning without using an AFM. Only tuned it at this
>>> juncture to get
>>> the tractability perfect. I might be able to improve the fuel
>>> mileage a bit
>>> more but he needs to drive it to determine what it's getting now.
>>> -Keith
>>> One thing that is becoming obvious to me is the 151 carb responds to
>>> my
>>> jetting in a spectacular fashion. The improvement is pronounced
>>> enough that
>>> I'm seriously considering shelving my original 18s and go buy some
>>> new 151s
>>> with three progressive holes. I have no idea why this is the case
>>> but it's for
>>> real.
>>> -Keith Franck
>>> Mike Ostrov drove my Elan and confirmed that it runs like no other
>>> Elan with
>>> webers.
>>> A new day for webers
>>> Sarto
>>> _________________
>>> lotus elan 1966 S3 FHC
>>> 36/5785
>>> LHD
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