moparmat
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Registered: 08-2010
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Anyone running any mopar RB (440) based engines?
Hello all. I am new to forum but have been lurking in the shadows for quite sometime.
I see the 340, the 440+6bbl, the HEMI, and the 383 build but have yet to see anyone build a 440 4bbl engine.
I am interested in possibley putting one together myself. Is anyone on this board running this particular combo?
Im more interested to know about the heads and manifolds.
I would like to start with a 540ish short block. 906 heads or possibley CNC'd stealths. I know the stealths are not f.a.s.t legal but we do not have a f.a.s.t class at our track so I do not have to stick to the rules. Basically I would like to put together a stock appearing 540 RB and have it run low 10's all day long in a E-body.
Thanks in advance!
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8/4/2010, 3:15 pm
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TomCannon
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Re: Anyone running any mopar RB (440) based engines?
Do you want to use the stock carb and intake?
--- Coming to a theater near you
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8/4/2010, 5:41 pm
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moparmat
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Re: Anyone running any mopar RB (440) based engines?
I would like to use a stock appearing intake yes. It can be a reproduction aluminum peice but as close to stock appearing as possible.
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8/4/2010, 5:44 pm
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moparmat
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Re: Anyone running any mopar RB (440) based engines?
Forgot about the carb! If I can pull enough air through the "stock" carb then yes. I would like the engine to look as close to stock as possible.
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8/4/2010, 5:49 pm
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TomCannon
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Re: Anyone running any mopar RB (440) based engines?
You won't be able to make enough smoke with that combo to run low tens
--- Coming to a theater near you
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8/4/2010, 6:17 pm
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moparmat
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Re: Anyone running any mopar RB (440) based engines?
Im open to suggestions!
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8/4/2010, 11:40 pm
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Ed Cook
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Re: Anyone running any mopar RB (440) based engines?
Matt
Take it from some that has tried everything when it comes to running a stock appearing wedge! It would be cheaper to build a Hemi.
If your not worried about stock heads, intake and carb and just wanna paint everything orange and hide a holley under the stock air cleaner I guess it could be done?
Good Luck
Ed
--- SWAT TEAM MEMBER
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8/7/2010, 7:52 am
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Minnesota guy
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Re: Anyone running any mopar RB (440) based engines?
Matt, I am in the same dilemna, I am building a 69 GTX 440 4bbl.
Three problems. 1. The carb is ok but you must do a port job on it. 750AVS doesnt flow 750cfm in stock form, but you can pick it up with porting. 2. the 69 intake is junk compared to a 73 thermoquad type. If we could run that intake! With center cut out, I have tested it against the 69-71 style and an m-1 alum for that matter and I was 3/10ths better at BIR with the thermoquad. It has a lot more volume, and I got mine to flow like a street dominator. 3. the exhaust manifolds hold this motor back 60HP easy..where Hemi manifolds only lose 20HP.
I am completing mine just to see how it runs and then will probably succomb and build a HEMI.
I could only get about 11.8 with a 750 avs atop thermo intake on my 71 440 cuda..running thru hooker headers..and a racer brown hyd cam...6 pack pistons...3 inch exhaust....and hoosier quick time pro's....
I am also going to switch my 71 cuda over to a stocker type 440 for now. Get working on them and get them dialed in...maybe just local bragging rights unitl I can follow Wayne Nelson and Joel Nystrom out East sometime.
Jeff Matz...Minnesota Guy...I am new to forum as well
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8/25/2010, 9:14 pm
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