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| how big can i get a carter bbd https://slantsix.org/forum/viewtopic.php?t=10081 |
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| Author: | moparfreak [ Wed Aug 11, 2004 10:10 am ] |
| Post subject: | how big can i get a carter bbd |
form what i've read the slant six bbd is only around 300 cfm and i'm wondering how i could make it bigger since i have some parts around here from numerous bbd's and not likely all off slants |
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| Author: | Craig [ Wed Aug 11, 2004 5:01 pm ] |
| Post subject: | |
Look for a BBD on about a 1986 Dodge truck with a 360 engine. YES, I said 360 engine, NOT 318 engine. The 360 BBD carbs have a larger venturi and will flow more. Gosh  I can't believe I leaked out this Mopar secret. Now I'm gonna be in trouble with the Mopar gods. 
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| Author: | DusterIdiot [ Wed Aug 11, 2004 5:39 pm ] |
| Post subject: | What adaptor? |
The 350 cfm 'Large BBD' like off of dump truck 413's, and big blocks won't fit the super six flange, and they don't fit the Mr. Gasket 1937 either..... Any 318/super six BBD is going to be a 280 cfm version. -D.Idiot "Got plate?" |
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| Author: | Craig [ Wed Aug 11, 2004 7:24 pm ] |
| Post subject: | |
This 360 BBD from a pickup truck is the small flange the same as 318 and Slant 6. Oh my, Now the Mopar gods are really going to be mad at me now.
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| Author: | moparfreak [ Thu Aug 12, 2004 1:03 pm ] |
| Post subject: | |
ok thanks i know of were there is a 360 2brl unfortanatly it is seized but it's not the same as my bbd but could i tear it apart and use parts from it to create a better carb or do i need to live with the bbd till i can get out to a wrecking yard |
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| Author: | argentina-slantsixer [ Thu Aug 12, 2004 2:27 pm ] |
| Post subject: | |
i was talkin with Dennis and he recommeds moving to a holley 
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| Author: | moparfreak [ Fri Aug 13, 2004 11:11 am ] |
| Post subject: | |
i was hoping to stick with carter for the ease of setting it up i was just wondering if i cold make it better if not i'll just take what it gives me i'm not looking for a v8 killer yet just a rice eater and the v6's that are around |
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| Author: | moparfreak [ Mon Aug 16, 2004 1:54 pm ] |
| Post subject: | |
i'm just wondering what a larger set of jets and other stuff like that would do for it |
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| Author: | Eric F. [ Mon Aug 16, 2004 3:50 pm ] |
| Post subject: | cfm |
the only way to increase the cfm is to increase the size of the venturi. changing the jets only increases the fuel delivery going too large makes you run too rich. As far as the 360 isue I do not think it will work as the 360 2bbl is the same as a 318 2bbl or at least it was on my b-body |
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| Author: | argentina-slantsixer [ Mon Aug 16, 2004 4:57 pm ] |
| Post subject: | |
Reducing the venturi will kill CFM? or will increase air speed? I was thinking that maybe throat can get you more CFM, and venturi is for regulate the incoming air speed.... 
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| Author: | moparfreak [ Tue Aug 17, 2004 1:27 pm ] |
| Post subject: | |
ok thanks for the info guys i'll be leaving it alone maybe i'll build something to race and use the truck to haul it aroud later on |
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| Author: | kesteb [ Tue Aug 17, 2004 10:54 pm ] |
| Post subject: | |
The biggest BBD is from a 383, but it won't bolt onto the supersix manifold. A custom adapter would be required. The biggest carb that will bolt onto the supersix without an adapter is a Rochester 2g from a 327 Chev. |
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| Author: | Dennis Weaver [ Wed Aug 18, 2004 8:35 am ] |
| Post subject: | |
Anybody need a big 383 BBD or a Holley 2-bbl from a 400? I happen to have a glut of them at the moment. All run well (on their big-block homes, at least). D/W |
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| Author: | argentina-slantsixer [ Wed Aug 18, 2004 9:59 am ] |
| Post subject: | |
Quote: Anybody need a big 383 BBD or a Holley 2-bbl from a 400? I happen to have a glut of them at the moment. All run well (on their big-block homes, at least).
Ahaaaa.... you HAVE holleys D/W I catched you with the holley on hands  by the way, is your last name correctly spell or it's WEBBER? I'm serious about sending you the argentinian made 1bbl. Drop me a line at jic@jicaino.com.ar and we'll arrange that. |
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| Author: | moparfreak [ Thu Aug 19, 2004 10:34 am ] |
| Post subject: | |
nope my big block is a 4 brl but it's not a race car being a 75 coronet it's way to heavy for that sort of stuff |
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