Having second thoughts about Weber Carbs
Le Mans Master
Joined: Dec 2006
Posts: 8,837
Likes: 1,028
I chopped up a POS 82, I don't mind chopping stuff up but not on hard to find nostalgia parts and cars. A guy I know has a 69 Mustang 428CJ w/ the original CJ scooped hood, he wants a shaker and wanted me to help him and cut up the hood. I told him I wouldn't do it..period 
Le Mans Master
Joined: Dec 2006
Posts: 8,837
Likes: 1,028
I will dig up some stuff for you. The tie-in with this thread is, it is said the Weber is an updated Winfield.
Ed was a cam grinder and Carb Manufacturer, Glendale, Ca, that was WAY out in design from the others.
I will PM you some stuff sometime so you can be the judge.
He died a few years ago in Las Vegas, about age 76.
Ed was a cam grinder and Carb Manufacturer, Glendale, Ca, that was WAY out in design from the others.
I will PM you some stuff sometime so you can be the judge.
He died a few years ago in Las Vegas, about age 76.
Le Mans Master
Joined: Oct 2002
Posts: 5,714
Likes: 6
From: Silver City NM
St. Jude Donor '05-'07
[QUOTE=Big2Bird;1559298071]Close. All 5 still exist. Chevy killed it when they found out he wanted to produce 200 cars.
Actually, I saw a few of the ORIGINAL ones a few times at the Chevy Vettefest in Chicago. To me, they were the highlight of the show. It still amazes me that the engine and trans are so CLOSE to where the driver sits. A fat tub of lard like me could never hope to get into the hardtops
. They do make fiberglass kit cars of the Cheetah. I also have a DVD video of a test drive that guy on TV with the turned up moustache takes in an real one. It is AWESOME!!!
TT: I gota agree with you. If I ever got the scratch together to go Hilborn, it would be the racing/mechanical version. The electrical street version one is more "show" than "GO".
And Chevy also killed the Cheetah because they knew it would be direct competition for the Vette. Actually, it would have been FASTER
Dep
Actually, I saw a few of the ORIGINAL ones a few times at the Chevy Vettefest in Chicago. To me, they were the highlight of the show. It still amazes me that the engine and trans are so CLOSE to where the driver sits. A fat tub of lard like me could never hope to get into the hardtops
. They do make fiberglass kit cars of the Cheetah. I also have a DVD video of a test drive that guy on TV with the turned up moustache takes in an real one. It is AWESOME!!! TT: I gota agree with you. If I ever got the scratch together to go Hilborn, it would be the racing/mechanical version. The electrical street version one is more "show" than "GO".
And Chevy also killed the Cheetah because they knew it would be direct competition for the Vette. Actually, it would have been FASTER
Dep
Melting Slicks
Joined: Feb 2006
Posts: 3,428
Likes: 5
From: Japan
If duntov said this he was doing some wild dreaming if he thought
he could run with the mid engine GT 40. The grand sports aero
numbers were about as bad as roadster cobra and not even as
good as the daytona cobra. The 40 inch high ford GT had great
aero. when ferrari got trounced by the GT 40 with the 7.0 liter
427 nascar engine he got the rules changed to 5.0 liter, ford GTs
with gulf oil then kicked ferraris crooked *** with the 289 for two
more yrs.
he could run with the mid engine GT 40. The grand sports aero
numbers were about as bad as roadster cobra and not even as
good as the daytona cobra. The 40 inch high ford GT had great
aero. when ferrari got trounced by the GT 40 with the 7.0 liter
427 nascar engine he got the rules changed to 5.0 liter, ford GTs
with gulf oil then kicked ferraris crooked *** with the 289 for two
more yrs.
Le Mans Master
Joined: Oct 2002
Posts: 7,098
Likes: 378
From: Las Vegas - Just stop perpetuating myths please.
Big misconception.
U don't balance vacuum at WOT.
To set the main circuits u gonna need to swap carb throut venturies and jets till u gett'm mixture tuned and that A/F analyzer will be needed for that. And now u tell me if anyone is gonn'a use anything but the same size venturi in each of the carb throuts? Jets maybe. But anyone is welcome to prove me wrong as long as they can explain how it works. Webers have interchangable venturis and of course jets so they can be modified to work in many different applications/eng displacements/rpm ranges/cfm requirements. I've been told the Webbers have changeble air bleeds in the main circuits too but i'm still not a believer of that either.
So get that A/F analyzer setup. My idea is to run 2 or more sensors through a switch so u can monitor as many pipes as u want with only one analyzer - sensors are cheaper than analyzers.
Good luck JKL and what have u got to loose now? Plenty'a power to gain with a smoother idle and man noth'n look'n badder than Webers sitt'n on top.
cardo0
Race Director
Joined: Mar 2006
Posts: 14,112
Likes: 28
From: Florida
U can sync the Weber idle circuits with sync gauges but they don't tune anything on the main circuits. U don't balance vacuum at WOT. To set the main circuits u gonna need to swap carb throut venturies and jets till u gett'm mixture tuned and that A/F analyzer will be needed for that. And now u tell me if anyone is gonn'a use anything but the same size venturi in each of the carb throuts? Jets maybe. But anyone is welcome to prove me wrong as long as they can explain how it works. Webers have interchangable venturis and of course jets so they can be modified to work in many different applications/eng displacements/rpm ranges/cfm requirements. I've been told the Webbers have changeble air bleeds in the main circuits too but i'm still not a believer of that either.
So get that A/F analyzer setup. My idea is to run 2 or more sensors through a switch so u can monitor as many pipes as u want with only one analyzer - sensors are cheaper than analyzers.
Good luck JKL and what have u got to loose now? Plenty'a power to gain with a smoother idle and man noth'n look'n badder than Webers sitt'n on top.
cardo0
U don't balance vacuum at WOT. To set the main circuits u gonna need to swap carb throut venturies and jets till u gett'm mixture tuned and that A/F analyzer will be needed for that. And now u tell me if anyone is gonn'a use anything but the same size venturi in each of the carb throuts? Jets maybe. But anyone is welcome to prove me wrong as long as they can explain how it works. Webers have interchangable venturis and of course jets so they can be modified to work in many different applications/eng displacements/rpm ranges/cfm requirements. I've been told the Webbers have changeble air bleeds in the main circuits too but i'm still not a believer of that either. So get that A/F analyzer setup. My idea is to run 2 or more sensors through a switch so u can monitor as many pipes as u want with only one analyzer - sensors are cheaper than analyzers.
Good luck JKL and what have u got to loose now? Plenty'a power to gain with a smoother idle and man noth'n look'n badder than Webers sitt'n on top.
cardo0
They do have replaceable air jets. Larger air jet will lean out engine at high rpm etc.
Hopefully the setup he bought is close enough so as not to have to change venturies ($15.00@).
Once you get the initial setup with the a/f meters done (might seem endless), then the maintenance tuneups are pretty simple involving only syncing etc.
Truly a carb lover's setup only, but orgasmic when done right.
Race Director
Joined: Dec 1999
Posts: 16,945
Likes: 9
U can sync the Weber idle circuits with sync gauges but they don't tune anything on the main circuits. U don't balance vacuum at WOT. To set the main circuits u gonna need to swap carb throut venturies and jets till u gett'm mixture tuned and that A/F analyzer will be needed for that. And now u tell me if anyone is gonn'a use anything but the same size venturi in each of the carb throuts? Jets maybe. But anyone is welcome to prove me wrong as long as they can explain how it works. Webers have interchangable venturis and of course jets so they can be modified to work in many different applications/eng displacements/rpm ranges/cfm requirements. I've been told the Webbers have changeble air bleeds in the main circuits too but i'm still not a believer of that either.
So get that A/F analyzer setup. My idea is to run 2 or more sensors through a switch so u can monitor as many pipes as u want with only one analyzer - sensors are cheaper than analyzers.
Good luck JKL and what have u got to loose now? Plenty'a power to gain with a smoother idle and man noth'n look'n badder than Webers sitt'n on top.
cardo0
U don't balance vacuum at WOT. To set the main circuits u gonna need to swap carb throut venturies and jets till u gett'm mixture tuned and that A/F analyzer will be needed for that. And now u tell me if anyone is gonn'a use anything but the same size venturi in each of the carb throuts? Jets maybe. But anyone is welcome to prove me wrong as long as they can explain how it works. Webers have interchangable venturis and of course jets so they can be modified to work in many different applications/eng displacements/rpm ranges/cfm requirements. I've been told the Webbers have changeble air bleeds in the main circuits too but i'm still not a believer of that either. So get that A/F analyzer setup. My idea is to run 2 or more sensors through a switch so u can monitor as many pipes as u want with only one analyzer - sensors are cheaper than analyzers.
Good luck JKL and what have u got to loose now? Plenty'a power to gain with a smoother idle and man noth'n look'n badder than Webers sitt'n on top.
cardo0
Yes, the chokes can be changed, on the dellortos also. I have several sizes of chokes. The jets, air corrector and emulsion tubes are all changeable. so yes the webers have an air corrector. The air corrector and emulsion tube are available in many sizes (the dellortos have an even larger range w/ increments closer to each other)
I have no idea what AF analyzer you're talking about but the thing in the pic is a 4 gauge manometer. There are many special tools required, i have special measuring cup screw on adapters for my dellortos that I can check accelerator pump shot cc's with.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Team Owner
Joined: Nov 2004
Posts: 20,715
Likes: 25
From: Sorrento Italy
how come american performance engine builders do not give a weber carb option?..well, at least i didnt see any when shopping for my 406ci...i dont think it's because its relevant cost, if you're going to spend around 10.000+ usd on an race engine, a thousand more on top of the cake won't be that great difference...
Le Mans Master
Joined: Oct 2002
Posts: 5,714
Likes: 6
From: Silver City NM
St. Jude Donor '05-'07
how come american performance engine builders do not give a weber carb option?..well, at least i didnt see any when shopping for my 406ci...i dont think it's because its relevant cost, if you're going to spend around 10.000+ usd on an race engine, a thousand more on top of the cake won't be that great difference...
TT: Unconfirmed reports from somewhat relaible sources (Turtlevette) insist that there is some follicle growth at strategic locations on your top lip and chin.
Dep
Le Mans Master
Joined: Oct 2002
Posts: 5,714
Likes: 6
From: Silver City NM
St. Jude Donor '05-'07
Race Director
Joined: Dec 1999
Posts: 16,945
Likes: 9
