carb

Author
Discussion

sundown

Original Poster:

36 posts

119 months

Sunday 20th November 2016
quotequote all
what is the best carb for a chevy 350

shovelheadrob

1,564 posts

178 months

Sunday 20th November 2016
quotequote all
sundown said:
what is the best carb for a chevy 350
A bit more information might help. What car, cam, gears, manual or auto?

Total loss

2,138 posts

234 months

Sunday 20th November 2016
quotequote all
shovelheadrob said:
sundown said:
what is the best carb for a chevy 350
A bit more information might help. What car, cam, gears, manual or auto?
As above + best for what? Economy or performance ?

300bhp/ton

41,030 posts

197 months

Monday 21st November 2016
quotequote all
Self learning TBi.

sundown

Original Poster:

36 posts

119 months

Tuesday 22nd November 2016
quotequote all
the car is a kit car 5 speed manual box edelbrock heads

300bhp/ton

41,030 posts

197 months

Tuesday 22nd November 2016
quotequote all
I think as per your other thread. You need to know a little more about the entire setup if you are wanting a good matching and performing engine.

Firstly, is there something wrong with the current carb?

Then things to consider are:

-budget
-type of use, i.e. do you want a broad powerband, something that'll work well at part throttle or something that is best for WOT
-rest of your setup, static CR, cam, exhaust setup (are you running long tube headers, shorties or just log style manifolds?)
-Heads, I know you set Edlebrock, but sadly that is just a name of a company, it means little without detail.

I understand finding some of this stuff out might actually be really rather difficult.

Carbs will also need tuning too. Which can be a pita and so many less people able to do it in the UK these days. As frankly they are pretty rare. Even more so if you are talking double pumper on an OHV V8 SBC. It's not like fiddling with a single SU on a Mini.


But do have a look at something like this too:
https://www.holley.com/products/fuel_systems/fuel_...

I'm not saying that exact one is correct for you, just an example of what is available these days. Essentially it's an aftermarket bolt on Throttle Body Injection (EFI) setup. Often called Single Point Injection in the UK. And was the fore runner to multi point fuel injection.

The advantage here is, it can still look very carb like in appearance. But has all the benefits of EFI. So better mpg, performance and smoother running too.

And the best thing with many of these kits are, they are self learning. You fit an o2 sensor to the exhaust and set some initial values up in the ECU. Then run it and let it do it's thing. It'll pretty much self optimise itself and require no additional tuning. Meaning install might be a few wires more (plug n' play). But the actual tuning and setup is far less faffing than swapping jets on a carb.

Total loss

2,138 posts

234 months

Tuesday 22nd November 2016
quotequote all
300bhp/ton said:
I think as per your other thread. You need to know a little more about the entire setup if you are wanting a good matching and performing engine.

Firstly, is there something wrong with the current carb?

Then things to consider are:

-budget
-type of use, i.e. do you want a broad powerband, something that'll work well at part throttle or something that is best for WOT
-rest of your setup, static CR, cam, exhaust setup (are you running long tube headers, shorties or just log style manifolds?)
-Heads, I know you set Edlebrock, but sadly that is just a name of a company, it means little without detail.

I understand finding some of this stuff out might actually be really rather difficult.

Carbs will also need tuning too. Which can be a pita and so many less people able to do it in the UK these days. As frankly they are pretty rare. Even more so if you are talking double pumper on an OHV V8 SBC. It's not like fiddling with a single SU on a Mini.


But do have a look at something like this too:
https://www.holley.com/products/fuel_systems/fuel_...

I'm not saying that exact one is correct for you, just an example of what is available these days. Essentially it's an aftermarket bolt on Throttle Body Injection (EFI) setup. Often called Single Point Injection in the UK. And was the fore runner to multi point fuel injection.

The advantage here is, it can still look very carb like in appearance. But has all the benefits of EFI. So better mpg, performance and smoother running too.

And the best thing with many of these kits are, they are self learning. You fit an o2 sensor to the exhaust and set some initial values up in the ECU. Then run it and let it do it's thing. It'll pretty much self optimise itself and require no additional tuning. Meaning install might be a few wires more (plug n' play). But the actual tuning and setup is far less faffing than swapping jets on a carb.
If the above very sensible info & EFI are all to much, & you just want a carb you can just bolt on & go & will perform well, you need a Holley 1860 , 600 cfm , vac. Secondary, just like this one https://www.summitracing.com/int/parts/hly-0-1850s...