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carb size ?? #839194
10/25/10 11:18 PM
10/25/10 11:18 PM
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ca, slo.
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paulyvault Offline OP
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so i am running a 383 30 over with nothing special pretty stock. i have been looking at carbs and was thinking about a 650, the car is just a fun goood driver. anyone have any ideas ? thanks

Re: carb size ?? [Re: paulyvault] #839195
10/25/10 11:27 PM
10/25/10 11:27 PM
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Crizila Offline
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750 Holley 3310, vacuum secondary and electric choke.


Fastest 300
Re: carb size ?? [Re: Crizila] #839196
10/25/10 11:32 PM
10/25/10 11:32 PM
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ca, slo.
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paulyvault Offline OP
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yea i have a 750 dule feed and its just seeming like to much.

Re: carb size ?? [Re: paulyvault] #839197
10/25/10 11:49 PM
10/25/10 11:49 PM
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Kentucky
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dfsmopars Offline
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My 383 .03 over loved the 770 Street Avenger. The heads were ported and polished and it runs like no other 383. I had to increase the fuel line to 3/8" and have not had it back to the track since,


‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500
Re: carb size ?? [Re: paulyvault] #839198
10/25/10 11:59 PM
10/25/10 11:59 PM
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Huber Heights Ohio
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greenpigs Offline
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For just a weekend ride I would think a 650 would be fine. Grab a Proform if you can swing it.


69 Charger RT
Re: carb size ?? [Re: dfsmopars] #839199
10/26/10 02:23 AM
10/26/10 02:23 AM
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Chesterfield, MIch
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Cuda67 Offline
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Chesterfield, MIch
383 and .030 over. 770 Street Avenger, vacumn secondarys, 3.55 rear, 3000 stall, TTI headers, mandrel 2-1/2 exhaust, 484 cam and I am VERY Happy with it.

Re: carb size ?? [Re: paulyvault] #839200
10/26/10 02:46 AM
10/26/10 02:46 AM
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Manitoba, Canada
DaytonaTurbo Offline
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Quote:

yea i have a 750 dule feed and its just seeming like to much.




Sounds to me more like you should tune what you have. Pick yourself up a tuning kit from summit and have at it.

Re: carb size ?? [Re: paulyvault] #839201
10/26/10 07:47 AM
10/26/10 07:47 AM
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Indiana
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YO7_A66 Offline
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""yea i have a 750 dule feed and its just seeming like to much""

Is it a vacuum secondary unit or a DP unit? Both come in dual feel inlets, so I was just curious.

Can you give us the part number?

You might have just what you need already.


1970 YO7 A66 [Canadian Export] F8 Challenger
340 (Currently in shop for stroker assy.)
Re: carb size ?? [Re: paulyvault] #839202
10/26/10 08:07 AM
10/26/10 08:07 AM
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HYPER8oSoNic Offline
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Quote:

so i am running a 383 30 over with nothing special pretty stock. i have been looking at carbs and was thinking about a 650, the car is just a fun goood driver. anyone have any ideas ? thanks





Since you have a magnum motor (I assume), the
625 Carter or 650 Holley is fine for what you wnat to do.
As Daytona sugguested fine tune it to how YOUR
DRIVING HABITS are. You never indicated any mods
to the engine, so leave well enough alone with the stock setup! With some carb/ignition tuning, you will be on your way!!



"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
Re: carb size ?? [Re: YO7_A66] #839203
10/26/10 08:13 AM
10/26/10 08:13 AM
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Brookeville, Md
Mr.Yuck Offline
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Quote:

""yea i have a 750 dule feed and its just seeming like to much""

Is it a vacuum secondary unit or a DP unit? Both come in dual feel inlets, so I was just curious.

Can you give us the part number?

You might have just what you need already.




Either will work. Just have to tune it. Nothing is going to work perfect out of the box. You need the right spring, power valve, jets and squirters and the Holley should work great.


[IMG]http://i66.tinypic.com/pui5j.jpg[/IMG]
Coming soon!!!!
Re: carb size ?? [Re: Crizila] #839204
10/26/10 01:02 PM
10/26/10 01:02 PM
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Junky Offline
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Quote:

750 Holley 3310, vacuum secondary and electric choke.


My setup is a 383 with XE262H Comp Cam, headers, RPM intake, 3310 Holley 750. I have it dialed in good. Works really well.


2010 Black Challenger SE <> 3.5 V6
Custom Shift Knobs www.flameball.com Check It Out
Re: carb size ?? [Re: Junky] #839205
10/26/10 02:05 PM
10/26/10 02:05 PM
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Suffolk,VA
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ireland383 Offline
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Quote:

Quote:

750 Holley 3310, vacuum secondary and electric choke.


My setup is a 383 with XE262H Comp Cam, headers, RPM intake, 3310 Holley 750. I have it dialed in good. Works really well.



Same carb here, needed to do some tuning. Now it's .

Re: carb size ?? [Re: paulyvault] #839206
10/26/10 03:28 PM
10/26/10 03:28 PM
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Holly/MI
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Dean_Kuzluzski Offline
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This was just covered lately...........

https://board.moparts.org/ubbthreads/show...part=1&vc=1

Hopefully it's some help.


R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
Re: carb size ?? [Re: Dean_Kuzluzski] #839207
10/26/10 03:43 PM
10/26/10 03:43 PM
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kentucky
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superbyrd Offline
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box stock universal 600 holley with electric choke will feed it fine and work great for a stock 383 driver.

Re: carb size ?? [Re: Dean_Kuzluzski] #839208
10/29/10 10:55 PM
10/29/10 10:55 PM
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HYPER8oSoNic Offline
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Quote:

This was just covered lately...........

https://board.moparts.org/ubbthreads/show...part=1&vc=1

Hopefully it's some help.




Good reference!! But we'll call this a -stirrer HELPING OUT!!



"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
Re: carb size ?? [Re: superbyrd] #839209
10/29/10 11:01 PM
10/29/10 11:01 PM
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HYPER8oSoNic Offline
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Quote:

box stock universal 600 holley with electric choke will feed it fine and work great for a stock 383 driver.




GOOD choice, just make sure the jetting is correct
for the 383 (MOPAR!) and the choke/accelerator linkages and float/idle settings are all to spec.



"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
Re: carb size ?? [Re: paulyvault] #839210
10/29/10 11:03 PM
10/29/10 11:03 PM
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HYPER8oSoNic Offline
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Quote:

yea i have a 750 dule feed and its just seeming like to much.




Jet it down.



"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
Re: carb size ?? [Re: paulyvault] #839211
10/31/10 01:36 PM
10/31/10 01:36 PM
Joined: May 2009
Posts: 35
Aurora, CO
Manifold Offline
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X3 on the Holley Street Avenger 770cfm. I pulled a Carter Comp Plus AFB 625cfm off and popped the 770 on and the motor ran smoother, the carb adjusted very well, and the motor loves it.

I was concerned the 770cfm would be too much for my 383, but was pleasantly surprised.

Re: carb size ?? [Re: Manifold] #839212
10/31/10 03:53 PM
10/31/10 03:53 PM
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HYPER8oSoNic Offline
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The COMP Plus was jetted for performance for a smaller (270-330)engine-slightly big cam where the 770 is
set for STREET performance with a performance street cam in a small (350) to midsize (400) big block. A EDDY 650? AFB for STREET performance would have worked well too!!



"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
Re: carb size ?? [Re: Manifold] #839213
11/02/10 11:08 AM
11/02/10 11:08 AM
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HYPER8oSoNic Offline
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Quote:

X3 on the Holley Street Avenger 770cfm. I pulled a Carter Comp Plus AFB 625cfm off and popped the 770 on and the motor ran smoother, the carb adjusted very well, and the motor loves it.

I was concerned the 770cfm would be too much for my 383, but was pleasantly surprised.




If you have a good flowing exhaust setup and a decent intake, the bigger carbs will work, but there is a mileage penalty. You are getting away
from the cruiser mode. Might as well stick a hotter cam in it to take advantage of the better breathing characteristics!


Last edited by HYPER8oSoNic; 11/02/10 06:33 PM.

"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)






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