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440 source hold up to Boost? #1370838 01/16/13 10:28 PM 01/16/13 10:28 PM
Joined: Oct 2008 Posts: 151 Albion NY H Haibach Boys OP member
Haibach Boys OP member H Joined: Oct 2008 Posts: 151 Albion NY	how well does a 440 source crank, rods hold up in the blown world? And/or is anyone using there components in a blown application? looking at their 400/470 crank and rods in a Hampton 671 topped 400/470 stroker, and to get the 8:1 compression run a Trw Forged piston, all said it should be around 10lbs of boost. also for the gentelman/ladies running a blown application, what type of ignition are you running?

Re: 440 source hold up to Boost? [Re: Haibach Boys] #1370839 01/16/13 11:00 PM 01/16/13 11:00 PM
Joined: May 2011 Posts: 4,489 northern,Ohio,USA C Clanton master
Clanton master C Joined: May 2011 Posts: 4,489 northern,Ohio,USA	I have a 3.75 stroke 446[.030] with Eagle rods,wiseco pistons but I had the crank gone over by Moldex.900HP and counting. GOTBOOST!New improved with Victor heads. http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/

Re: 440 source hold up to Boost? [Re: Clanton] #1370840 01/16/13 11:21 PM 01/16/13 11:21 PM
Joined: Oct 2008 Posts: 151 Albion NY H Haibach Boys OP member
Haibach Boys OP member H Joined: Oct 2008 Posts: 151 Albion NY	Wow thats alota Horse. are you using a 6 or 871? im building mine for street use and to be drivin alot, some say go bigger 871 and spin it slower. on that im undecided my car friends around here don't dable with blowers, to me it makes sence, low Compression, very tame cam, and dont need a big converter or crazy gears.

Re: 440 source hold up to Boost? [Re: Haibach Boys] #1370841 01/16/13 11:40 PM 01/16/13 11:40 PM
Joined: Sep 2004 Posts: 344 Upper Sandusky, Ohio RoadSkinner enthusiast
RoadSkinner enthusiast Joined: Sep 2004 Posts: 344 Upper Sandusky, Ohio	im building a 528 with a procharger , ive got 440 source parts too ....well find out ...im more worried about the stock block holding 900 HP than the crank n rods .....

Re: 440 source hold up to Boost? [Re: Haibach Boys] #1370842 01/17/13 01:08 AM 01/17/13 01:08 AM
Joined: May 2011 Posts: 4,489 northern,Ohio,USA C Clanton master
Clanton master C Joined: May 2011 Posts: 4,489 northern,Ohio,USA	Quote: Wow thats alota Horse. are you using a 6 or 871? im building mine for street use and to be drivin alot, some say go bigger 871 and spin it slower. on that im undecided my car friends around here don't dable with blowers, to me it makes sence, low Compression, very tame cam, and dont need a big converter or crazy gears. an 8/71 at 3%OD would suit your needs. GOTBOOST!New improved with Victor heads. http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/

Re: 440 source hold up to Boost? [Re: Clanton] #1370843 01/17/13 09:21 AM 01/17/13 09:21 AM
Joined: Oct 2008 Posts: 151 Albion NY H Haibach Boys OP member
Haibach Boys OP member H Joined: Oct 2008 Posts: 151 Albion NY	Quote: Quote: Wow thats alota Horse. are you using a 6 or 871? im building mine for street use and to be drivin alot, some say go bigger 871 and spin it slower. on that im undecided my car friends around here don't dable with blowers, to me it makes sence, low Compression, very tame cam, and dont need a big converter or crazy gears. an 8/71 at 3%OD would suit your needs. With the 871 on the street, at 3%OD, it will still run cool and not have tremendous over heating issues?...obviously with the proper cooling system too.

Re: 440 source hold up to Boost? [Re: Haibach Boys] #1370844 01/17/13 09:26 AM 01/17/13 09:26 AM
Joined: Oct 2006 Posts: 4,590 Indy J joshking440 Lunch is on me!
joshking440 Lunch is on me! J Joined: Oct 2006 Posts: 4,590 Indy	Im pretty sure an 871 13% percent overdriven with a street blower is safe.

Re: 440 source hold up to Boost? [Re: Haibach Boys] #1370845 01/17/13 10:22 AM 01/17/13 10:22 AM
Joined: Jan 2003 Posts: 24,562 Brookeville, Md Mr.Yuck Not enough dumb comments...yet
Mr.Yuck Not enough dumb comments...yet Joined: Jan 2003 Posts: 24,562 Brookeville, Md	?? but a stock crank and replacement cast pistons held up to 6 lbs of boost fine. Just remember to turn the fuel pump on! [IMG]http://i66.tinypic.com/pui5j.jpg[/IMG] Coming soon!!!!

Re: 440 source hold up to Boost? [Re: Haibach Boys] #1370846 01/17/13 11:17 AM 01/17/13 11:17 AM
Joined: May 2011 Posts: 4,489 northern,Ohio,USA C Clanton master
Clanton master C Joined: May 2011 Posts: 4,489 northern,Ohio,USA	Quote: Quote: Quote: Wow thats alota Horse. are you using a 6 or 871? im building mine for street use and to be drivin alot, some say go bigger 871 and spin it slower. on that im undecided my car friends around here don't dable with blowers, to me it makes sence, low Compression, very tame cam, and dont need a big converter or crazy gears. an 8/71 at 3%OD would suit your needs. With the 871 on the street, at 3%OD, it will still run cool and not have tremendous over heating issues?...obviously with the proper cooling system too. I ran at 3%OD for a while with a BDS stage 2 with no overheating problems and if you have some it is likely to be timing,fuel issues. GOTBOOST!New improved with Victor heads. http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/

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