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Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2297910
05/02/17 08:26 PM
05/02/17 08:26 PM
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Clanton Offline OP
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I forget,is getting vacuum from the dist port ok on the metering plate or in carb base is better?


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Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2297941
05/02/17 10:02 PM
05/02/17 10:02 PM
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Sport440 Offline
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Originally Posted By Clanton
I forget,is getting vacuum from the dist port ok on the metering plate or in carb base is better?


That can be a debate in itself. Carb base vacuum may pull in all the vac timing at idle, witch you don't want. But with your big cam maybe it wont. The meter plate will pull vacuum in at a higher rpm. Try both see what you like best. The metering plate port is the one your really supposed to use.

But, if you don't do much street driving/cruising, you really don't need it at all.

Last edited by Sport440; 05/02/17 10:17 PM.
Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2297952
05/02/17 10:22 PM
05/02/17 10:22 PM
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Clanton Offline OP
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I am just reading vacuum nothing else.Thank you for the tech I know it gets involved.


GOTBOOST!New improved with Victor heads.
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Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2297988
05/02/17 11:24 PM
05/02/17 11:24 PM
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If you're reading vac then the base and is your timing locked.......


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2298511
05/03/17 09:28 PM
05/03/17 09:28 PM
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Clanton Offline OP
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yes the timing is locked at 32 for now and I will need to drill,tap for the vac so that will come later or maybe not with all the rain I am getting.I ended up sq jetting it again checking for leaks and test the backfire I had.87pri 88 sec no pv's it revs fine and power brakes well so I will test drive it like that when I get the chance[rain].jetting with a pv may take a 82 in the pri side.I would have tested that jetting but I was running out of time.
ps:the point of driving it sqjetted is to check the trans shift,fluid,brakes and other things.

Last edited by Clanton; 05/03/17 10:03 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2298562
05/03/17 11:08 PM
05/03/17 11:08 PM
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Thumperdart Offline
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It'll come around for ya and keep at it.......... thumbs


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2298729
05/04/17 07:38 AM
05/04/17 07:38 AM
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Clanton Offline OP
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Thanks for you patience on my rambling on about it.I am close so just a couple more jet changes will get me there.I have to put in a new water temp guage[mechanical] also.


GOTBOOST!New improved with Victor heads.
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Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2300167
05/06/17 03:39 PM
05/06/17 03:39 PM
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Clanton Offline OP
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https://www.youtube.com/watch?v=cy72r_Uziu8 I still have to road test it with rain into monday so after that.I have 83 w pv and will likely go down 1 after I check the o2.just an fyi
o2 under load video https://www.youtube.com/watch?v=l7eQJTUoQGo Vacuum guage under load,sorry it is in a separate video. https://www.youtube.com/watch?v=8F5yCar1a-U

Last edited by Clanton; 05/06/17 04:50 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Clanton] #2300204
05/06/17 05:05 PM
05/06/17 05:05 PM
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Thumperdart Offline
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I'd drive it............. thumbs


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 850 holley from sq jet,boost to frnt pv n/a [Re: Thumperdart] #2300212
05/06/17 05:30 PM
05/06/17 05:30 PM
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Clanton Offline OP
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Originally Posted By Thumperdart
I'd drive it............. thumbs
Me to it is looking pretty good.I finaly cjhecked the timing with a light and it was at 20* so now it is at 34.


GOTBOOST!New improved with Victor heads.
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