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450 h.p. out of a 300h.p.crate 360 #225278 02/15/09 08:04 AM 02/15/09 08:04 AM
Joined: Feb 2004 Posts: 1,012 indiana M mcmopars OP super stock
mcmopars OP super stock M Joined: Feb 2004 Posts: 1,012 indiana	what would it take?edelbrock magnum heads,out of the box or ported from hughes?or port the magnum on it now?what cam?im sure the m-1 duel will have to go.it will be driven most on the street.throw some ideas my way 1961 chrysler 1973 duster 1998 ram 2005magnum 2010ram

Re: 450 h.p. out of a 300h.p.crate 360 [Re: mcmopars] #225279 02/15/09 12:57 PM 02/15/09 12:57 PM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	Well the 380 horse crate magnum put out 400 on the dyno when one of the mopar mags put it through its paces with some tuning. But I thought those ones already had a less than streetable cam. If you wanted 450 and streetable, I think I'd be looking into a stroker crank.

Re: 450 h.p. out of a 300h.p.crate 360 [Re: DaytonaTurbo] #225280 02/15/09 02:56 PM 02/15/09 02:56 PM
Joined: Feb 2004 Posts: 1,012 indiana M mcmopars OP super stock
mcmopars OP super stock M Joined: Feb 2004 Posts: 1,012 indiana	how much h.p. gain will i expect to see with edelbrock aluminum magnum heads and the air gap intake? 1961 chrysler 1973 duster 1998 ram 2005magnum 2010ram

Re: 450 h.p. out of a 300h.p.crate 360 [Re: mcmopars] #225281 02/15/09 03:00 PM 02/15/09 03:00 PM
Joined: Nov 2005 Posts: 15,119 85086 moparpollack Lil Herman
moparpollack Lil Herman Joined: Nov 2005 Posts: 15,119 85086	?more info like headers, rocker arms, carb, am specs etc? 56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d

Re: 450 h.p. out of a 300h.p.crate 360 [Re: moparpollack] #225282 02/15/09 03:09 PM 02/15/09 03:09 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	http://www.hotrod.com/techarticles/engine/hrdp_0804_small_block_mopar_engine/index.html hotrod mag article...took 300hp crate motor..and got 448 hp with bolt ons... Last edited by 70AARcuda; 02/15/09 03:10 PM. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: 450 h.p. out of a 300h.p.crate 360 [Re: 70AARcuda] #225283 02/15/09 06:38 PM 02/15/09 06:38 PM
Joined: Feb 2004 Posts: 1,012 indiana M mcmopars OP super stock
mcmopars OP super stock M Joined: Feb 2004 Posts: 1,012 indiana	perfect.just what i am looking for 1961 chrysler 1973 duster 1998 ram 2005magnum 2010ram

Re: 450 h.p. out of a 300h.p.crate 360 [Re: mcmopars] #225284 02/15/09 11:00 PM 02/15/09 11:00 PM
Joined: Jan 2003 Posts: 5,486 SoCal Brian Hafliger master
Brian Hafliger master Joined: Jan 2003 Posts: 5,486 SoCal	This 340 we did made 455HP and 400TQ. 10:1, comp cam:244-252@ .050, street ported edelbrocks, victor intake, 950HP carb. 360 should do at least that. Brian 5028361-jims340002.jpg (78 downloads)

Re: 450 h.p. out of a 300h.p.crate 360 [Re: Brian Hafliger] #225285 02/15/09 11:00 PM 02/15/09 11:00 PM
Joined: Jan 2003 Posts: 5,486 SoCal Brian Hafliger master
Brian Hafliger master Joined: Jan 2003 Posts: 5,486 SoCal	dyno sheet: 5028363-jims340003.jpg (59 downloads)

Re: 450 h.p. out of a 300h.p.crate 360 [Re: Brian Hafliger] #225286 02/15/09 11:30 PM 02/15/09 11:30 PM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	Quote: This 340 we did made 455HP and 400TQ. 10:1, comp cam:244-252@ .050, street ported edelbrocks, victor intake, 950HP carb. 360 should do at least that. Brian Nice numbers, but I wouldn't say that fits the "it will be driven most on the street" line in the original poster's question.

Re: 450 h.p. out of a 300h.p.crate 360 [Re: DaytonaTurbo] #225287 02/15/09 11:45 PM 02/15/09 11:45 PM
Joined: Jan 2003 Posts: 5,486 SoCal Brian Hafliger master
Brian Hafliger master Joined: Jan 2003 Posts: 5,486 SoCal	Quote: Quote: This 340 we did made 455HP and 400TQ. 10:1, comp cam:244-252@ .050, street ported edelbrocks, victor intake, 950HP carb. 360 should do at least that. Brian Nice numbers, but I wouldn't say that fits the "it will be driven most on the street" line in the original poster's question. Well, this guy drives it on the street every day! It eats pump gas, and idles good with the 950HP carb. "Street" is very very vague...like saying I have a red car.... Brian Hafliger

Re: 450 h.p. out of a 300h.p.crate 360 [Re: Brian Hafliger] #225288 02/16/09 12:09 AM 02/16/09 12:09 AM
Joined: Feb 2003 Posts: 21,318 Manitoba, Canada DaytonaTurbo Too Many Posts
DaytonaTurbo Too Many Posts Joined: Feb 2003 Posts: 21,318 Manitoba, Canada	Quote: Quote: Quote: This 340 we did made 455HP and 400TQ. 10:1, comp cam:244-252@ .050, street ported edelbrocks, victor intake, 950HP carb. 360 should do at least that. Brian Nice numbers, but I wouldn't say that fits the "it will be driven most on the street" line in the original poster's question. Well, this guy drives it on the street every day! It eats pump gas, and idles good with the 950HP carb. "Street" is very very vague...like saying I have a red car.... True that. Must have one heck of an idle in a 340 package.

Re: 450 h.p. out of a 300h.p.crate 360 [Re: Brian Hafliger] #225289 02/16/09 09:22 AM 02/16/09 09:22 AM
Joined: Feb 2004 Posts: 470 Big Chicago A amixon mopar
amixon mopar A Joined: Feb 2004 Posts: 470 Big Chicago	Quote: Quote: Quote: This 340 we did made 455HP and 400TQ. 10:1, comp cam:244-252@ .050, street ported edelbrocks, victor intake, 950HP carb. 360 should do at least that. Brian Nice numbers, but I wouldn't say that fits the "it will be driven most on the street" line in the original poster's question. Well, this guy drives it on the street every day! It eats pump gas, and idles good with the 950HP carb. "Street" is very very vague...like saying I have a red car.... what can you handle and what are you comfortable with? I like red street cars... Big Anthony ANTHONYinIRAQ@gmail.com 1984 B150 Ram Wagon 1978 D100 ClubCab

Re: 450 h.p. out of a 300h.p.crate 360 [Re: DaytonaTurbo] #225290 02/16/09 09:26 AM 02/16/09 09:26 AM
Joined: Jan 2003 Posts: 16,123 Grand Haven, MI patrick I Live Here
patrick I Live Here Joined: Jan 2003 Posts: 16,123 Grand Haven, MI	a few corrections to the hotrod article. the 380 horse motor doesn't have different pistons that stock trucks or the 300 HP crate motor. the advertised specs of the 300 horse crate motor were actually slightly smaller than the specs listed in my dad's '97 FSM for his old truck. the differences between the 300 & 380 crate motor: intake and cam. the valve springs on both are the .525" lift MP pieces. 450 out of a magnum 360 I'd do this: KB107 pistons set at 0 deck, (figures out to 10.6:1 compression) get the heads ported some, or at least a good 5 angle valve job--the bowl and valve job were drastically undersized from the factory, you'll want to open it up to ~85% of the intake valve diameter. figure out a decent valve spring package, and look for a cam in the 230-240@.050 duration range. 1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod SOLD!* 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)

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