moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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'71 RB .030 with torque plate Mains line bored Crank turned and polished to .002-.003 oil claerance rotating assembly balanced block decked to 10.700 height with a .039 head gasket. Ross pistons 99539 CH 2.065 New Scat Rods Fully grooved main bearings..HV oil pump Lunati 60303 cam 440 source Stealth heads/stock rockers Holley Street Dominator intake Holley 750 DP Or Edelbrock 750  1 7/8 Headers 2 1/2 inch exhaust w/H pipe Ignition either MP or MSD..  I am hoping for 450 HP and would love to make more. Combo going into my '68 Coronet w 727 and 3:91 gears. Street only Would this combo work well together and if not tell me why. If I forgot something LMK Thnx Chuck
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Pat_Whalen
super gas
Reged: Aug 05 2003
Loc: Mesa, AZ
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Heads?
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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I posted 440source Stealths...need my reading glasses??
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forphorty
enthusiast
Reged: Nov 26 2006
Loc: oklahoma
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looks good to me. I would choose the DP over the Edelbrock.
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Pat_Whalen
super gas
Reged: Aug 05 2003
Loc: Mesa, AZ
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Quote:
I posted 440source Stealths...need my reading glasses??
I sure hope not Sorry, missed it.
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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Quote:
looks good to me. I would choose the DP over the Edelbrock.
Why?? My debate on this is I hear the Hollys are a pain to tune and keep in tune. And the Brocks are easier to tune and stay tuned but are prone to stumble and can't be gotten rid of. Do I know what I am talking about???
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mike s
mopar addict
Reged: Jan 07 2007
Loc: Mi,U.S.A.
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Looks pretty good so far.Oil pan and windage tray? At least a 6 qt pan.I would go one higher on the cam to the 60304 but you would need adj rockers.Nice job.
-------------------- Leave the gun.......take the Cannoli's....Mike
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forphorty
enthusiast
Reged: Nov 26 2006
Loc: oklahoma
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Quote:
Quote:
looks good to me. I would choose the DP over the Edelbrock.
Why?? My debate on this is I hear the Hollys are a pain to tune and keep in tune. And the Brocks are easier to tune and stay tuned but are prone to stumble and can't be gotten rid of. Do I know what I am talking about???
I guess i really can't comment on the Eddy carb as i have never owned one. I have owned Holleys for 20+ years.Easy to tune and if it won't stay in tune that probably means it's due for a rebuild. The 750DP is a very versatile carb. Plus, they look better than the Eddy
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R70RUNNER
Leg Lamp Lover
Reged: Aug 09 2005
Loc: Riverside, Ca
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I would also look at the 60304 voodoo.. the gears, and compression point to the more aggressive cam IMO... Is the exhaust mandrel bent? otherwise, I'd consider 3"
Where did the 99539's end up at in the hole for you? IIRC they're blue printed to be .017 in the hole or something close??? You're right about 10:1 with the stealths?
-------------------- Moparts! Just like Myspace but WITHOUT the teen girls!
R70RUNNER<---VP Inland Empire Chapter of the MPM
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srunge55
enthusiast
Reged: Jul 16 2005
Loc: St Louis, MO, USA
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Chuck, looks good to me. I am doing a very similar build. I was looking at those pistons but decided to go with a Mahle piston instead. Reason being the Mahle's are 4032 alloy and the Ross are 2618. The 4032 alloy is not as strong but will fit tighter in the bore. As I understand this will cause less piston slap when starting. Also promotes less oil usage and longer ring life. I thought it would be better to go this way in a street engine.
I'm thinking Edelbrock 800 Thunder AVS for a carb.
I'm also going with Doug's headers 2'' with 3.5'' collectors. Word on them is they are as good or better than TTIs and about $200 cheaper.
Steve
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383man
Cake-less on his Birthday
Reged: Jan 19 2003
Loc: Balt. Md
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What are the specs on that cam ?? Ron
-------------------- My car...63 Sport Fury Max Wedge wanna be street car...11.52 @ 116.84 with a 1.57 sixty so far ! Sons street car... 406 Dart , pump gas 3.91's - 11.45 @ 117.73.
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joedust451
super gas
Reged: Feb 09 2005
Loc: Branson, Mo.
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Don't skimp on a cam for a 440 or you'll regret it, especially with those heads & comp., i would choose something in the 240s @ 50 on a 110, even the mildest 440 loves a good cam, i can tell you 2 that work well (from exsperience) if your stumped on what to get, the .509 MP or the comp. XE284H for a build like yours, they like gears & a nice stall. 750 or 850dp is the way to go for a carb, they are easy to tune if you do your homework, make sure the dizzy is curved for the combo, the RPM or holley SD would be a good choice on an intake, if it was an A body, i would say either the M1 single or TM7.
-------------------- 75 Duster, 451 10.87 @ 123.58 NA
97 Z28 6sp., 12.01 @ 115 on a 100 shot
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Dodgem
top fuel
Reged: Mar 21 2008
Loc: Ontario, Canada
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First what is the torque converter you picked??? I would do 3" inch exhaust with X pipe right off the bat will give considerable more power and cost pennies more. Use Dynomax ultra flow welded and yoy will be happy. Mild but throaty, (not obnoxious) and as close to open header performance as you will get! And if you ever step up more in performance and engine size you are still there on the exhaust I like a 750 3310 holley vac secondarie with your combo with maybe a lighter spring. hard to beat a 750 dp also. tuning problems are a myth. put them on set the float levels, then idle speed and idle mixture and go!!! Much easier to tune if you decide later but as shipped they are real close.
If you go with 3000 or more TQ the lunati 60304 looks good or even the 60305 (maybe advance it to 104) more cam more potential
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Dodgem
top fuel
Reged: Mar 21 2008
Loc: Ontario, Canada
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Quote:
Don't skimp on a cam for a 440 or you'll regret it, especially with those heads & comp., i would choose something in the 240s @ 50 on a 110, even the mildest 440 loves a good cam, i can tell you 2 that work well (from exsperience) if your stumped on what to get, the .509 MP or the comp. XE284H for a build like yours, they like gears & a nice stall. 750 or 850dp is the way to go for a carb, they are easy to tune if you do your homework, make sure the dizzy is curved for the combo, the RPM or holley SD would be a good choice on an intake, if it was an A body, i would say either the M1 single or TM7.
 There are not many hyd cams that can make the power 2800 to 6000 than 509 P4120237 degreed properly 102/103 with a 3000 ish stall and maybe 104 with a 3500. the comp cam above is also a good choice!
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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Quote:
I would also look at the 60304 voodoo.. the gears, and compression point to the more aggressive cam IMO... Is the exhaust mandrel bent? otherwise, I'd consider 3"
Where did the 99539's end up at in the hole for you? IIRC they're blue printed to be .017 in the hole or something close??? You're right about 10:1 with the stealths?
I don't know. I am getting ready to drop everything off at the machine shop. I don't have a exhaust yet. Will a 3 in. fit ok under my car. I was advised to tell the shop to deck the block at 10.700 and use a .039 head gasket and that would put the piston at 0 deck to the block and get a .040 quench. Am I on the right track here? Like I said this is all new to me and I am trying to understand this!!
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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Quote:
What are the specs on that cam ?? Ron
Cam Style Hydraulic flat tappet Basic Operating RPM Range 1,800-6,200 Intake Duration at 050 inch Lift 226 Exhaust Duration at 050 inch Lift 234 Duration at 050 inch Lift 226 int./234 exh. Advertised Intake Duration 268 Advertised Exhaust Duration 276 Advertised Duration 268 int./276 exh. Intake Valve Lift with Factory Rocker Arm Ratio 0.494 in. Exhaust Valve Lift with Factory Rocker Arm Ratio 0.513 in. Valve Lift with Factory Rocker Arm Ratio 0.494 int./0.513 exh. lift Lobe Separation (degrees) 110 Camshaft Gear Attachment 3-bolt Intake Valve Lash 0.000 in. Exhaust Valve Lash 0.000 in. Computer-Controlled Compatible No Quantity Sold individually. Notes 3-bolt camshaft.
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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Quote:
First what is the torque converter you picked??? I would do 3" inch exhaust with X pipe right off the bat will give considerable more power and cost pennies more. Use Dynomax ultra flow welded and yoy will be happy. Mild but throaty, (not obnoxious) and as close to open header performance as you will get! And if you ever step up more in performance and engine size you are still there on the exhaust I like a 750 3310 holley vac secondarie with your combo with maybe a lighter spring. hard to beat a 750 dp also. tuning problems are a myth. put them on set the float levels, then idle speed and idle mixture and go!!! Much easier to tune if you decide later but as shipped they are real close.
If you go with 3000 or more TQ the lunati 60304 looks good or even the 60305 (maybe advance it to 104) more cam more potential
That was one of the things I was going to ask input on. I have no idea on what size torque convertor to even consider. Anyone care to school me on this, tips,
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THESHAKERPROJECT
mopar
Reged: Jan 13 2007
Loc: NORTHERN VA
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Thats a good cam that will work with a stock converter (11.75 and around 2000 stall)but I like the Edelbrock Thunder series 800 cfm carb. You dont need any more than a 1 7/8 header for that cam and a 2 1/2 in exhaust (TTI X pipe and ultraflows)and I also like the Holley intake. The same combo in my 4000lb 71 Charger R/T is good for high 12s at 110 mph with 355 rear and a stock converter. I also run a set of ported 906 heads and a NOS thermoquad for a more stock look.
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R70RUNNER
Leg Lamp Lover
Reged: Aug 09 2005
Loc: Riverside, Ca
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Quote:
Quote:
I would also look at the 60304 voodoo.. the gears, and compression point to the more aggressive cam IMO... Is the exhaust mandrel bent? otherwise, I'd consider 3"
Where did the 99539's end up at in the hole for you? IIRC they're blue printed to be .017 in the hole or something close??? You're right about 10:1 with the stealths?
3" exhaust will fit just fine on a B-body
I don't know. I am getting ready to drop everything off at the machine shop. I don't have a exhaust yet. Will a 3 in. fit ok under my car. I was advised to tell the shop to deck the block at 10.700 and use a .039 head gasket and that would put the piston at 0 deck to the block and get a .040 quench. Am I on the right track here? Like I said this is all new to me and I am trying to understand this!!
Ok, that's why the deck is down a bit... You will quench with the .039 gaskets and I would guess-timate compression at about 10.2 then (static)... You will want a bigger cam still like the 60304 voodoo for it. Tell the shop you want it at .005 in the hole (zero deck for all practical purposes.)
3" exh. will fit fine under a B-body
-------------------- Moparts! Just like Myspace but WITHOUT the teen girls!
R70RUNNER<---VP Inland Empire Chapter of the MPM
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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Quote:
Quote:
Quote:
I would also look at the 60304 voodoo.. the gears, and compression point to the more aggressive cam IMO... Is the exhaust mandrel bent? otherwise, I'd consider 3"
Where did the 99539's end up at in the hole for you? IIRC they're blue printed to be .017 in the hole or something close??? You're right about 10:1 with the stealths?
3" exhaust will fit just fine on a B-body
I don't know. I am getting ready to drop everything off at the machine shop. I don't have a exhaust yet. Will a 3 in. fit ok under my car. I was advised to tell the shop to deck the block at 10.700 and use a .039 head gasket and that would put the piston at 0 deck to the block and get a .040 quench. Am I on the right track here? Like I said this is all new to me and I am trying to understand this!!
Ok, that's why the deck is down a bit... You will quench with the .039 gaskets and I would guess-timate compression at about 10.2 then (static)... You will want a bigger cam still like the 60304 voodoo for it. Tell the shop you want it at .005 in the hole (zero deck for all practical purposes.)
3" exh. will fit fine under a B-body
I have "0" experience with anything other than the stock rockers. How exotic of a rocker system would be needed to run the 60304.Roller? what are the differences on the way this motor would run between the 60303 and the 60304?
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joedust451
super gas
Reged: Feb 09 2005
Loc: Branson, Mo.
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Quote:
Quote:
Quote:
Quote:
I would also look at the 60304 voodoo.. the gears, and compression point to the more aggressive cam IMO... Is the exhaust mandrel bent? otherwise, I'd consider 3"
Where did the 99539's end up at in the hole for you? IIRC they're blue printed to be .017 in the hole or something close??? You're right about 10:1 with the stealths?
3" exhaust will fit just fine on a B-body
I don't know. I am getting ready to drop everything off at the machine shop. I don't have a exhaust yet. Will a 3 in. fit ok under my car. I was advised to tell the shop to deck the block at 10.700 and use a .039 head gasket and that would put the piston at 0 deck to the block and get a .040 quench. Am I on the right track here? Like I said this is all new to me and I am trying to understand this!!
Ok, that's why the deck is down a bit... You will quench with the .039 gaskets and I would guess-timate compression at about 10.2 then (static)... You will want a bigger cam still like the 60304 voodoo for it. Tell the shop you want it at .005 in the hole (zero deck for all practical purposes.)
3" exh. will fit fine under a B-body
I have "0" experience with anything other than the stock rockers. How exotic of a rocker system would be needed to run the 60304.Roller? what are the differences on the way this motor would run between the 60303 and the 60304?
I'm assuming these lunati cams are hyd. flat tappet, if so, i would go with some ductile iron rockers & a good set of pushrods like cranes, you really don't need anything expotic.
-------------------- 75 Duster, 451 10.87 @ 123.58 NA
97 Z28 6sp., 12.01 @ 115 on a 100 shot
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Challenger 1
upgrade my license
Reged: Feb 05 2005
Loc: Cincinnati Ohio
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Quote:
I would do 3" inch exhaust with X pipe right off the bat will give considerable more power and cost pennies more. Use Dynomax ultra flow welded and yoy will be happy. Mild but throaty, (not obnoxious) and as close to open header performance as you will get! And if you ever step up more in performance and engine size you are still there on the exhaust
I'm using the X pipe with a 3" pipe with the dynomax mufflers, I don't like it. It sounds like crap compared with my other car which has the same exhaust but with a H pipe. Not worth it if there is even a performance advantage, I doubt it's even noticable on the street.
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RapidRobert
circle track
Reged: Nov 20 2003
Loc: Lincoln Nebraska
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Quote:
I'm using the X pipe with a 3" pipe with the dynomax mufflers, I don't like it. It sounds like crap compared with my other car which has the same exhaust but with a H pipe.
Is it quieter than your H pipe car?. Does your other car have the same mufflers?
-------------------- live every 24 hour block of time like it's your last day on earth
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moparrulzzz
super gas
Reged: Feb 02 2003
Loc: Mansfield,Ohio
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Thnx for the input guys.I appreciate the help.I guess my next post will be rockers and Torque convertor Chuck
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