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Carb switch or not... #2554541
09/25/18 03:09 PM
09/25/18 03:09 PM
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Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Question for you guys. Ive purchased a set of Trick flow 240 heads for my 505. The heads will replace stock stealth heads, and for now ive decided to stick with the current mild hydrualic flat tappet cam (Comp XE284, 240 @.050, .507 lift, 110lsa). The current intake is a Edelbrock Torker 11 and carb is Quick fuel super street 830 mech secondaries. My question is do you think there will be any benefit worth ponying up for a 950 quick fuel carb? The 830 carb is like brand new and should be easy enough to flip, so I'm not really concerned with the $$. Just want the carb thats going to make the most power and also be street friendly .

Its also has TTI 1 7/8 headers, 3" exhaust and a 4 speed with 3.55's.

Its a mostly street driven 72 Challenger.

Thanks for your feedback smile


2 kids and a dog
Re: Carb switch or not... [Re: TonyS451] #2554554
09/25/18 03:22 PM
09/25/18 03:22 PM
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Portage,michigan
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B3422W5 Offline
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I had that S/S carb on the 360 that was in my Dart when i bought it, but the 750 version, not the 830. Ran it at the track, worked well. Swapped it for a trick 950 carb that i had laying around that was on an engine masters entry.
The 950 was just hair more than a tenth better on the same night at the track.
Hope this gives a little perspective.
Car runs whats in my signature


69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam, footbrake street/strip car

1.41 best 60 foot
6.54 @ 105.20



Re: Carb switch or not... [Re: B3422W5] #2554560
09/25/18 03:29 PM
09/25/18 03:29 PM
Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Originally Posted By B3422W5
I had that S/S carb on the 360 that was in my Dart when i bought it, but the 750 version, not the 830. Ran it at the track, worked well. Swapped it for a trick 950 carb that i had laying around that was on an engine masters entry.
The 950 was just hair more than a tenth better on the same night at the track.
Hope this gives a little perspective.
Car runs whats in my signature


Thats great info. Obviously, different combo but gaining a tenth in back to back test is pretty cool.


2 kids and a dog
Re: Carb switch or not... [Re: TonyS451] #2554564
09/25/18 03:35 PM
09/25/18 03:35 PM
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Posts: 2,094
central texas
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krautrock Offline
top fuel
krautrock  Offline
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central texas
if your carb is like the one in the chart here, it should flow more air than the 950...

can you verify, your SS830 has larger secondary venturi than primary??

http://www.quickfueltechnology.com.au/content/Quick%20Fuel%20Carb%20Size%20with%20details-AUST.pdf

Re: Carb switch or not... [Re: krautrock] #2554570
09/25/18 03:44 PM
09/25/18 03:44 PM
Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Originally Posted By krautrock
if your carb is like the one in the chart here, it should flow more air than the 950...

can you verify, your SS830 has larger secondary venturi than primary??

http://www.quickfueltechnology.com.au/content/Quick%20Fuel%20Carb%20Size%20with%20details-AUST.pdf


I'll have to look. The model I have is the ss 830, so according to your chart it should. Thanks for the link


2 kids and a dog
Re: Carb switch or not... [Re: TonyS451] #2554571
09/25/18 03:45 PM
09/25/18 03:45 PM
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Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
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I’d just try it before I bought another carb.

whistling

Last edited by BradH; 09/25/18 04:50 PM.
Re: Carb switch or not... [Re: TonyS451] #2554579
09/25/18 04:00 PM
09/25/18 04:00 PM
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Posts: 14,545
So. Burlington, Vt.
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fast68plymouth Offline
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I’d just try it before I bought another carb.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Carb switch or not... [Re: TonyS451] #2554601
09/25/18 04:38 PM
09/25/18 04:38 PM
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usa
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lewtot184 Offline
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the states 1.45/1.56 venturi's 1.75 throttle bores for the 830. the 830 looks good to me.

Re: Carb switch or not... [Re: TonyS451] #2554639
09/25/18 05:28 PM
09/25/18 05:28 PM
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Posts: 31,256
Oregon
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AndyF Offline
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Oregon
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.

Re: Carb switch or not... [Re: lewtot184] #2554644
09/25/18 05:33 PM
09/25/18 05:33 PM
Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Originally Posted By lewtot184
the states 1.45/1.56 venturi's 1.75 throttle bores for the 830. the 830 looks good to me.


Thats what i was thinking. Good to have the facts. Not the first time I've heard of a "smaller" carb actually being as big or bigger than the "bigger carb".


2 kids and a dog
Re: Carb switch or not... [Re: AndyF] #2554646
09/25/18 05:35 PM
09/25/18 05:35 PM
Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Chicago, IL
Originally Posted By AndyF
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.


Hey, the guy likes carbs smile


2 kids and a dog
Re: Carb switch or not... [Re: fast68plymouth] #2554652
09/25/18 05:38 PM
09/25/18 05:38 PM
Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Chicago, IL
Originally Posted By fast68plymouth
I’d just try it before I bought another carb.


probably for the best smile


2 kids and a dog
Re: Carb switch or not... [Re: BradH] #2554653
09/25/18 05:39 PM
09/25/18 05:39 PM
Joined: Jan 2003
Posts: 4,296
Chicago, IL
TonyS451 Offline OP
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TonyS451  Offline OP
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Originally Posted By BradH
I’d just try it before I bought another carb.

whistling


smile


2 kids and a dog
Re: Carb switch or not... [Re: AndyF] #2554657
09/25/18 05:48 PM
09/25/18 05:48 PM
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Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
Taking time off to work on my car
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Originally Posted By AndyF
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.

Factually incorrect: I count only 6, i.e. 1.5 months worth at 1 per week.

But I get your point. tonguue

CRB INV.jpg
Re: Carb switch or not... [Re: BradH] #2554676
09/25/18 06:17 PM
09/25/18 06:17 PM
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Posts: 31,256
Oregon
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AndyF Offline
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Oregon
Originally Posted By BradH
Originally Posted By AndyF
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.

Factually incorrect: I count only 6, i.e. 1.5 months worth at 1 per week.

But I get your point. tonguue


You could build a big V12 and use all six of those carbs at the same time. Then you wouldn't have any extras.

Re: Carb switch or not... [Re: TonyS451] #2554682
09/25/18 06:29 PM
09/25/18 06:29 PM
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usa
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lewtot184 Offline
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Originally Posted By TonyS451
Originally Posted By lewtot184
the states 1.45/1.56 venturi's 1.75 throttle bores for the 830. the 830 looks good to me.


Thats what i was thinking. Good to have the facts. Not the first time I've heard of a "smaller" carb actually being as big or bigger than the "bigger carb".
i'd just run it. I think it's close to the ideal size for a single plane; especially if you drive it. if it's race only i'd try symmetrical venturi and throttle bores (850) with a single plane.

Re: Carb switch or not... [Re: BradH] #2554687
09/25/18 06:35 PM
09/25/18 06:35 PM
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Posts: 14,545
So. Burlington, Vt.
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fast68plymouth Offline
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So. Burlington, Vt.
Originally Posted By BradH
Originally Posted By AndyF
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.

Factually incorrect: I count only 6, i.e. 1.5 months worth at 1 per week.

But I get your point. tonguue


Seems like they should be in a glass case with a red velvet rope strung through some big brass stands.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Carb switch or not... [Re: BradH] #2554723
09/25/18 08:05 PM
09/25/18 08:05 PM
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Washington
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madscientist Offline
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Washington
Originally Posted By BradH
Originally Posted By AndyF
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.

Factually incorrect: I count only 6, i.e. 1.5 months worth at 1 per week.

But I get your point. tonguue




It may be factually incorrect but it damn sure made me LOL.


Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
Re: Carb switch or not... [Re: fast68plymouth] #2554820
09/25/18 10:44 PM
09/25/18 10:44 PM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
B
BradH Offline
Taking time off to work on my car
BradH  Offline
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Val-haul-ass... eventually
Originally Posted By fast68plymouth
Originally Posted By BradH
Originally Posted By AndyF
Too bad you don't live next door to BradH. You could try a different carb every week for several months and still not reach the back of his carb shelf.

Factually incorrect: I count only 6, i.e. 1.5 months worth at 1 per week.

But I get your point. tonguue


Seems like they should be in a glass case with a red velvet rope strung through some big brass stands.

I was saving up to have each one titanium nitride coated first. Until then, recyclable plastic grocery bags covering each carb will have to suffice.

Re: Carb switch or not... [Re: TonyS451] #2554852
09/25/18 11:49 PM
09/25/18 11:49 PM
Joined: Jan 2003
Posts: 31,256
Oregon
A
AndyF Offline
I Win
AndyF  Offline
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Oregon
Your kids are going to be on that TV show Strange Inheritance someday talking about all the carburetors they inherited. Should be a top rated show when it airs!

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