[TPR] More follow up from Chuck Nyutten
Mad Dog Antenucci
teampantera at yahoo.com
Tue Jan 7 10:55:07 PST 2014
GREAT input JB (Grumpy 1) and the Pope (Grumpy 2)....or you have even more money you can get Mike Trusty's IR-EFI...yea thats not why I got it but just sayin.
Dawg with flame suit on ;-)
On Tuesday, January 7, 2014 10:46 AM, David in Durango <adin at frontier.net> wrote:
Are you talkin' to me? I am Dirty and Grouchy - don't forget
it.
Here are my impressions of the carb situation, with all due respect:
Nuytten thinks Asa is asking for a top end racing carb and still wants his
22mpg (can't blame him for that). Can this be done?
maybe. I would say (in a perfect sponsored world) get a cab that will
perform and deliver top end - then, if not satisfied get a carb for around town
use.
Nuytten also says "A vacuum carburetor is a good choice
if you only want fuel economy but you are not going to be happy with that
carburetor when you want to go racing. "
My experience is this: the truck has an expensive designer carb - never
worked for beans without a lot of love; V8 Miata - summit carb w/ four corner
idle and replaceable air bleeds, it ran great at sea level and needed a lot of
love up here (6600'); Pantera has a vacuum secondary 750 - runs a little fluffy
up here and great at the ORR/track days I have attended. So, vacuum no
good? I would say this is wrong.
My $.02 worth, fwiw.
Have fun, stay warm.
G & D LLC
----- Original Message -----
>From: Mad Dog Antenucci
>To: Asa Jay Laughton ; tpr at teampanteraracing.com
>Sent: Tuesday, January 07, 2014 8:31 AM
>Subject: Re: [TPR] More follow up from Chuck Nyutten
>
>
>Bud can do 130?
>At Silver State? ;-)
>
>
>Look I can do 185 at sealevel and Bud is somewhere south of sealevel! HAHA
>Here's the guys to ask....what is JB running for a carburation...he has had several runs between 130-135 AVERAGE which meant he was hitting 150-160 in straights....
>
>
>Note to Grumpy: Chime in here with your wisdom ;-)
>
>
>
>On Monday, January 6, 2014 10:05 PM, Asa Jay Laughton <asajay at asajay.com> wrote:
>
>
>Hi gang,
>
>As I continue my edumacation bout cars and stuff.... I
wrote Chuck again asking about the option of a vacuum secondary carb instead
of a double-pumper as he originally recommended. He was candid in his
response and I take it with the same grain of salt I try most things
with. You can read the trail below.
>
>I also talked with our friend
Bud Hower, who sent photos and specs of his carb. His Holley is nearly
identical to mine, though it may not be an "emissions" model, and he gets 130
top end without a problem and maybe more. That may simply mean mine
being an emissions carb might be channeled and jet differently... for fuel
economy and not top end.
>
>Note, I'm not spending any more yet, I'm still
investigating.
>Asa Jay
>
>-------- Original Message --------
>Date: Mon, 6 Jan 2014 14:45:10 -0600
>From: <form at chucknuytten.com>
>To: 'Asa Jay Laughton' <asajay at asajay.com>
>
>
>If you are going to buy a new carburetor, I would not recommend a vacuum secondary carburetor. I use double pumper carburetors on many vehicles that claim they use them on performance street vehicles. I stay with my original recommendation of a 750-2003 carburetor $833.00.
>Vacuum carburetors tend to drop back on performance on the top end and that is exactly the condition you are describing. A vacuum carburetor is a good choice if you only want fuel economy but you are not going to be happy with that carburetor when you want to go racing.
>
>From:Asa Jay Laughton [mailto:asajay at asajay.com]
>Sent: Friday, December 27, 2013 1:33 PM
>To: form at chucknuytten.com
>Subject: Re: Friend or Fellow Racer
>
>Thank you for the recommendation. Based on the fact I don't race the car all the time and in fact drive it more as an around-town car until open road race season, I would think a vacuum secondary would be better for fuel economy. Presently I get nearly 22 MPG on the highway, which is nice; when racing, it doesn't really matter as long as enough fuel is being metered to the engine. However, during the SSCC this year I felt the carb was leaning out and perhaps even starving the engine at high rpm, which is why I'm investigating a new carb.
>
>Do you
work with vacuum secondary carbs and what is your opinion of them?
>Thank
you,
>Asa Jay
>
>
>Asa Jay Laughton, MSgt, USAFR, Retired
>& Shelley Marie
>Spokane, WA
>******************************
>http://www.racingagainstautism.com
>http://www.teampanteraracing.com
>http://facebook.com/racingagainstautism
>
>On 12/9/2013 8:51 AM, form at chucknuytten.com wrote:
>If you want performance, I have a 750-2003 double pump carburetor, four corner idle which would work very well for your situation. $833.00 I looked up the carburetor you presently are running and according to the Holley info I would not recommend putting any more money into that core. Your present carburetor is an ok core for general use but not the best core for performance.
>
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