300 six carb
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Elder User
Joined: Sep 2009
Posts: 693
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From: Indiana
so, you guys are telling me that you need to change out the intake in order to put a different carb besides a one barrel setup? If you were to have the stock intake, you would have to change it out?
Elder User
Joined: Jul 2009
Posts: 625
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From: Colorado
The Clifford intake is available with either a 4bbl or a Holley 2bbl adapter. Someone here said they were looking at an adapter that allowed them to use an aftermarket VW 2bbl on the stock manifold.
Elder User
Joined: Jul 2009
Posts: 625
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From: Colorado
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Elder User
Joined: Sep 2009
Posts: 693
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From: Indiana
A volkswagon carburetor?? Really? The only problem with those though is they freeze up in the cold weather. I would like to be able to use my engine in the coldest temps. But, do you agree with a holley carb? Or? I like holley carbs with a manual choke. Had awesome luck with those. And the holley is a universal bolt pattern? Thats cool. What other brands are out there? edelbrock is another brand too, but I've heard good things about holley.
Elder User
Joined: Jul 2009
Posts: 625
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From: Colorado
Not specifically a VW carb, just a Weber or the like built for aftermarket VW intakes. I would just go with a completely new intake and a Holley 4bbl. The stock intake is restrictive as hell, and really hurts efficiency compared to a Clifford or Offy with a 4bbl.
Post Fiend
Joined: Jul 2004
Posts: 8,786
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From: Northern California
It went by calibration code.
Some engines are calibrated for no smog, California Smog, 49 state federal smog. With EGR valves, without EGR valves, with Evap Emissions, without Evap emissions... etc... Smog Control also went by GVWR. IE: why a F-350, 300-I6 has a different carb than a F-150.
The requirements changed yearly as well...
Why it's crutial to replace the carb with an exact match, unless you decide to upgrade and remove or replace other components as well.
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Elder User
Joined: Sep 2009
Posts: 693
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From: Indiana
yeah, I know exacty what you mean when you put it that way. Im just finding out the best ways to build up my engine and all. I want to have improved ignition parts, and a better fuel delivery (thus this discussion on carburetors), and exhaust system. Over here, we never have to deal with smog test, emissions and so on really. I'm learning a lot thanks to you guys! Thanks much it helps a LOT! Before this, I just knew a small amount on how to clean carbs, make sure the choke is working well, about vaccumm leaks, differences in air filters, adjusting air to fuel mixtures, idle adjustments and things like this. Nothing indepth, like how to change one, the different cfm cubic feet per minute, one barrel, two barrel or four, brands, intake manifolds, and even more ways to make her purr like a kitten. thanks again, I love to go out in the morning and make life as simple as posible. Just pull that choke out turn the key and listen to that warning buzzer, and she cranks right over. Thats what I miss in a daily driver. Yes, I like fuel injected too, but There is a whole different feeling to a well working carburetor!
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Posting Guru
Joined: Jun 2009
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You can put more 2bbls on the stock intake than just some VW carb. In fact I've never even heard of the vw carb thing. I know they make adapter plates for the stock manifold, and I've heard of lots of guys putting autolite 2100's off of 302's and 351's on their stock intake with the adapter. Plus you can have the hole the carb sits over milled out to a bigger oval size instead of a 1 bbl circle hole for a bit more flow.
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Elder User
Joined: Sep 2009
Posts: 693
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From: Indiana
interesting explanation on carbs, pretty simple that is..
http://www.youtube.com/watch?v=i0jgvYkzLDc
thought you guys might be interested in this. Explains how a carburetor runs on the principal of vacuum.
http://www.youtube.com/watch?v=zwDj4...eature=related
http://www.youtube.com/watch?v=zUuVQfvWSnI&NR=1
http://www.youtube.com/watch?v=hgQfZ...1&feature=fvwp
http://www.youtube.com/watch?v=i0jgvYkzLDc
thought you guys might be interested in this. Explains how a carburetor runs on the principal of vacuum.
http://www.youtube.com/watch?v=zwDj4...eature=related
http://www.youtube.com/watch?v=zUuVQfvWSnI&NR=1
http://www.youtube.com/watch?v=hgQfZ...1&feature=fvwp
Cross-Country
Joined: Aug 2007
Posts: 55
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I swapped a weber 38mm synchronous on my inline 6. I used the adapter on the stock manifold until I can afford to upgrade everything. I would not go back to the stock one barrel. The weber was a drastic improvement and it was easy to install
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Elder User
Joined: Sep 2009
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From: Indiana
Really? Thats really cool to hear. What year engine, how much did it cost you? and how is the engine setup? Stock or slight modifications etc, thanks
Elder User
Joined: Nov 2005
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i'm all for improving the fuel delivery on the inline six. i've got an offy DP and a set of headers waiting for me back in MI. however, don't expect HUGE gains from a 2BBL swap. while it can give you more fuel, and you will see some mild gains, you're still bottlenecking the engine at that 1BBL hole. if you're working on a budget, some guys have don't some really neat intakes welding together three intakes and using 3 1BBL OE carbs, ala the old triple duece style. its a really neat look, and grossly affordable if you're handy with a welder and have JY access.
Cross-Country
Joined: Aug 2007
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It went on a 1980, and it cost me $360. The weber came as a kit that was made for a 258 jeep engine but it fit perfectly as it was made to replace a carter 1 bbl close to the one ford used. All in all it took me an afternoon to install. My engine is internally stock, but has a flowmaster exhaust and a few ignition upgrades.
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Elder User
Joined: Sep 2009
Posts: 693
Likes: 1
From: Indiana
It went on a 1980, and it cost me $360. The weber came as a kit that was made for a 258 jeep engine but it fit perfectly as it was made to replace a carter 1 bbl close to the one ford used. All in all it took me an afternoon to install. My engine is internally stock, but has a flowmaster exhaust and a few ignition upgrades.