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| Super Six Carburetor vs 318 Carb https://slantsix.org/forum/viewtopic.php?t=60684 |
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| Author: | jkotis [ Wed Jan 18, 2017 8:01 pm ] |
| Post subject: | Super Six Carburetor vs 318 Carb |
How can I tell the difference between a OEM Slant Six Super Six Carter BBD carb and a 318 V8 Carter BBD? My Carter BBD has a metal tag that reads 8217 0316 and 0-2681 on the carb base. My research indicates that this carb may have been used on the 225 or the 318 engine. I know that some 318 engine carbs had two holes in the throttle plates. My carb does not have those holes. Also, I think there is a difference with the vacuum port underneath the fuel bowl. Mine has a longer metal vacuum tube. What other distinguishing parts help determine which carb I have? What difference does it make if the carb was originally installed on a 318 engine and not a 225 engine? Which vacuum port do I use for the distributor vacuum advance? |
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| Author: | DonPal [ Thu Jan 19, 2017 8:18 am ] |
| Post subject: | |
Venturi section is tighter on a Super Six BBD which might give better throttle control at low RPM for the smaller displacement 225 engine. Try slipping a pencil thru the venturi section. If it won't go thru then that part of the carb would be a Super Six The following video gives all the itty bitty other carb features to look at to separate the 225 from 318 carb. Could be your carb has a blend of both which could happen when carb parts get mixed during rebuilds? http://www.imperialclub.com/Repair/Lit/Films/348/ |
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| Author: | SlantSixDan [ Thu Jan 19, 2017 10:07 am ] |
| Post subject: | |
Carburetor operation and repair manuals and links to training movies and carb repair/modification threads (including the "2 barrels for 6 cylinders" one linked above) are posted here for free download. |
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| Author: | Reed [ Thu Jan 19, 2017 10:53 am ] |
| Post subject: | |
Fastest way to tell is the nipple for the PCV hose. Straight = 318, bent = 225. |
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