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| Holley list 6299 4 bbl carb https://www.slantsix.org/forum/viewtopic.php?t=2230 |
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| Author: | Pete Vanderlaan [ Sat Jun 02, 2001 9:11 pm ] |
| Post subject: | Holley list 6299 4 bbl carb |
I just finished installing an Offenhauser manifold and 4bbl Holley on my 63 Valiant. The carb is an older model 390 cfm list 6299. While hooking everything up, I realized this carb has no provision to connect a PCV valve and hose. I'm really bummed out and would hate to have to buy another carb after rebuilding the one I have. Is there any other feasible way to connect the PCV to engine vacuum? By the way, the Offy manifold, 4bbl carb, and Dutra Dual system really wake up the slant six! |
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| Author: | dschumers [ Sat Jun 02, 2001 10:29 pm ] |
| Post subject: | Re: Holley list 6299 4 bbl carb |
Does your intake have a plug you can take out and put a fitting in? All three of the Offys I've had did. Dennis |
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| Author: | snarl [ Sun Jun 03, 2001 4:44 pm ] |
| Post subject: | Re: Holley list 6299 4 bbl carb |
You could buy an aftermarket four barrel air cleaner. They usually have a way to hook up the PCV, just check on the box. I had to do that for a ford engine once. |
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| Author: | Will [ Sun Jun 03, 2001 11:06 pm ] |
| Post subject: | Re: Holley list 6299 4 bbl carb |
Quote:
: Does your intake have a plug you can take out : and put a fitting in? All three of the Offys : I've had did. Dennis That's what i would do----or drill and tap it. will |
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| Author: | Doc [ Mon Jun 04, 2001 10:48 am ] |
| Post subject: | Re: Holley list 6299 4 bbl carb |
Quote:
: That's what I would do----or drill and tap one.
If you want to add a new vacuum source, try to get it into the center plenum area instead of out on a runner "leg". Doing this helps keep the mixture even between cylinders. I have seen carb. spacer plates which have the vac. source in them and I have even drilled / tapped a fitting right into the carb. ( Many have an undrilled "boss" just waiting for you.) DD |
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| Author: | Pete Vanderlaan [ Mon Jun 04, 2001 8:45 pm ] |
| Post subject: | Re: Holley list 6299 4 bbl carb |
Quote:
: Does your intake have a plug you can take out : and put a fitting in? All three of the Offys : I've had did. Dennis Yes, it sure does. I just didn't think to use it until you suggested it. I bought a brass fitting that screws right in and connects to the PCV hose. I works great. Thanks to all for the suggestions. |
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