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#1 |
70Custom10
Join Date: Jan 2010
Location: Rapid City, SD
Posts: 322
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Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Just went down to Denver yesterday and on the way home stopped to see my grandfather. He was cleaning out the garage when i pulled up and gave me a few things like and engine stand and a Fish Carburetor. He said he got 22mpg out of a 410? olds motor. Anybody ever heard of these carbs and their reliability/power/ridiculous mpg ratings? All the articles Ive dug up keep talking about 100+ mpg off most any V8.
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#3 |
Registered User
Join Date: Jun 2010
Location: Jefferson, MD
Posts: 2,397
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
just did some research on 'em. The 100+ mpg claim is totally bogus, nor did Fish ever claim that. He did claim that is was a more efficient design than any other carb out there, and that was true.
From what I see, a Fish carb is an incredibly simple design (only 17 parts, 1 gasket, and 3 moving parts). Works pretty well for racing, or so I see. I'd love to try one out on my truck, see if I can hit 18-20 mpg, but, alas, a "new" one costs $850. ![]()
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'68 Dodge Dart 270, 225, 904, 2.76--"Lucy" 1996 Gmc 1500 Z71, 350, 4l60e, 3.73s 1995 Jeep Wrangler Rio Grande 2.5, AX5, 4.10s 1989 Toyota Pickup 22re, auto, 3.73 |
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#4 |
gets board easy.......
Join Date: Mar 2009
Location: Colorado Springs
Posts: 717
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
sounds pretty cool
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#5 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
that's why they call it fishin and not catchin
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#7 |
Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
ok.
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#8 |
Its a Truck Thing......
Join Date: Dec 2004
Location: Sierra Vista, Arizona
Posts: 3,159
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Yeah,
Cant get past that $850 price tag......I have never heard of it either, I go through the summit and Jegs catalogs, even LMC never saw it. Ill look and see if JC whitney promotes it..... Also supprised that during the $4-5 bucks a gallon spike a couple years ago didnt get this air time,,unless it was just a local product. Smitty
__________________
71 C10 283/3SPD Full Resto 71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599 70 C10 Suburban Former military GSA truck. 72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378 72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110 68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head 71 C30 Wrecker 71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck 68 GMC Long Stepside. They keep following me home 71 C20 Longhorn/Ole Yellor 69 C30 Former Motor Home, Flat Bed time Last edited by 71meangreenc10; 11-04-2010 at 08:43 AM. |
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#9 |
70Custom10
Join Date: Jan 2010
Location: Rapid City, SD
Posts: 322
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Right now im trying to find an intake I can bolt it up to. It doesnt match my 2bbl.
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#10 | |
Registered User
Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,149
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Quote:
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'83 K20-TPI '73 C10 '79 C10-ex-diesel(SOLD) '07 Tahoe(Son driving) '14 Suburban-DD '71 C10-current project |
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#11 |
70Custom10
Join Date: Jan 2010
Location: Rapid City, SD
Posts: 322
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
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#12 | |
Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Quote:
Somebody should keep track. First its the 100+ mpg carb that big oil and big car companies bought the rights to. Then we'll hear about the magnets on the gas line. Then we'll hear about injecting hydrogen into the carb. Then we'll hear about the air cleaner that swirls the air and improves mileage. Then we'll hear about the split fire spark plugs that studies have shown improve mileage. Folks its a broken record that gets spinning when gas goes up. With today's fleet fuel mileage requirements do you really think a car company is going to keep something that gets 100+ mpg on the shelf? When Ford says use 5w-20 because it gives them an across the board 0.1% increase in fuel mileage do you think they are sitting on a 100mpg carb? When Chevrolet shuts down extra cylinders at cruise on the highway do you think they are sitting on a 100 mpg carb? What did P. T. Barnum say? "There is a sucker born every minute" And those suckers buy lots of the above mentioned products. [I'm not saying the fish carb isn't a fine working carb, I'm just saying that it won't get 100+ mpg in a 5000 pound truck]
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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#13 |
Moderator
![]() Join Date: May 2007
Location: Southern Cal
Posts: 20,005
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Wonder if Barney Miller used one?
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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#14 |
Registered User
Join Date: Aug 2009
Location: Simi Valley, CA
Posts: 193
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
I had one on my MGB for a while. I went from 21mpg to about 23. It was cool because it was so simple and I would have kept it but it didn't have a choke so it was annoying when cold. I think I still have it somewhere...
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#15 |
Registered User
![]() Join Date: Sep 2001
Location: Fort Wayne, Indiana, USA
Posts: 1,887
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
A friend of mine is an engineer at Ford and specializes in port fuel-injection system design. We have had many conversations regarding carburetors, fuel-injection, fuel mix ratios, etc. My wife doesn't hang around long when we talk. Basically, gasoline engines operate properly when the optimum mixture of fuel and air is maintained. These guys get into enormous detail but it comes down to mixing the best/optimum amount of fuel with a given (or measured) amount of air. He admitted the best performing carburetor for road-driven vehicles is a properly set-up Quadrajet. Their testing shows a Q-Jet can approach port fuel-injection performance and economy.
Claims of dramatically better fuel economy with different gadgets aren't real. My friend did convince me to buy a digital read-out system for carburetor set-up. These devices rely on an O2 sensor (you have to weld a bung into the exhaust pipe) to give you a mixture readout. With this and a setup procedure for the Q-jet, you can feel good about your carb performance. Indiana does not require any testing of tailpipe emissions, but I'll bet the mixture device could help you nail a lean setup that would aid in passing a sniff test. |
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#16 | |
70Custom10
Join Date: Jan 2010
Location: Rapid City, SD
Posts: 322
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
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#17 | |
70Custom10
Join Date: Jan 2010
Location: Rapid City, SD
Posts: 322
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Quote:
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#18 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
theirs plenty of carbs produing 100mpg, but their all bolted to mopeds and scooters!
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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#19 | |
Vintage 4x4s
Join Date: Sep 2010
Location: Prior Lake, MN
Posts: 4,305
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Quote:
Edit: this only applies for full size trucks, smaller vehicle #'s can be higher.
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67 GMC K1500 Custom- 305V6 SM420, PTO, Ram Assist, yellow (the outcast) (project period correct upgrades) 67 GMC C2500 351V6 TH400, AC, PS, PB (can't decide what to do with. Update, decided to keep and will restore ![]() 86 CHV K30 502 th400, apple red NEW 71 CHV K20 350 SM465, ochre (saved work truck) 71 CHV K20 292 SM465, white, tach, PTO, (future project) 72 CHV K20 350 350th, medium blue (project stocker) 01 CHV K2500hd crew, indigo blue ^3 dont run and the others don't see winter either '86 K30 Cummins "Fireside" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=649649 '71 K20 "get driveable" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=590642 '72 K20 Build Thread: http://67-72chevytrucks.com/vboard/s...=493477&page=6 Last edited by Vintage Windmills; 02-07-2011 at 02:35 PM. |
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#20 |
Registered User
![]() Join Date: Sep 2001
Location: Fort Wayne, Indiana, USA
Posts: 1,887
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
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#21 | |
70Custom10
Join Date: Jan 2010
Location: Rapid City, SD
Posts: 322
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Quote:
Edit: i just went to the website and dont see any pricing. What do those usually run if you dont mind my asking? Last edited by blazerboy_4life; 02-07-2011 at 02:47 PM. Reason: added a question |
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#22 |
Old Skool Club
![]() Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
During the Arab oil embargo of '73, there were several devices that claimed fastastic gas economy, that we were encouraged to buy. Fish carbs were one of them. There was another item, that was a lot cheaper. It was a simple device that leaned out your mixture by way of a vacuum in your intake...thinking burnt valves?
There have also been rumours that said the "car companies" were buying up the patents and parts so we would have to buy gas guzzlers. Then, within the past 10 or so years, we had the Tornado. Not saying anything about it except their money-back guarantee is valid. As long as the internal combustion engine has been in existance, or almost, someone has been trying to invent the perfect carburetion device and claiming unbelievable economy. Electronic fuel injection is superior to old-tech carburetors, but there are other tricks that will help. They're simple, too, if you think about it. Try keeping your tires inflated to the higher specification on the sidewall. Some tires are rated to carry their loads at 45PSI. Whatever that number is, believe that the higher value will let the tires roll down the road more easily. Underinflated tires will create drag and use more fuel.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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#23 |
Registered User
Join Date: Oct 2010
Location: Largo Florida
Posts: 632
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Fish carburators is from the 1950's.
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Lifes journey is not to arrive at the gate well preserved, it is to slide in sideways all used up and wore out yelling.....God what'a ride! Where patience fails, force prevails Stapp's Ironical Paradox "The universal aptitude for ineptitude makes any human accomplishment an incredible miracle." |
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#24 |
VA72C10
![]() Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,269
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
I think if I did I'd be looking for it and have it on ebay within the hour
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Looking for a 67-72 swb or blazer project in or around VA. ![]() |
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#25 |
Its a Truck Thing......
Join Date: Dec 2004
Location: Sierra Vista, Arizona
Posts: 3,159
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Re: Anybody ever heard of "Fish" Carburetors and their supposed 100+mpg??
Sorry, Never heard of it till this post...... Smitty
__________________
71 C10 283/3SPD Full Resto 71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599 70 C10 Suburban Former military GSA truck. 72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378 72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110 68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head 71 C30 Wrecker 71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck 68 GMC Long Stepside. They keep following me home 71 C20 Longhorn/Ole Yellor 69 C30 Former Motor Home, Flat Bed time Last edited by 71meangreenc10; 02-07-2011 at 05:09 PM. |
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carburetor, fish, mpg, power |
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