stock crank horse power rating?

Exodus · May 27th, 2009, 11:01 AM

The crank WILL hold more hp than the pistons and rods. Sweet is of the opinion that you can push better than 650 hp through it without issue. I am of the opinion that that's pushing the limits of the cast integrity. And that's exactly why the rods are only worth the 450 rwhp. That is the equivalant of the breaking point in the metal, the rods are just physically not stronge enough to hold anymore hp. As to whether or not you can buy a lower compression head gasket and if that would eliminate the issue, I doubt that would help. Because of the inherent cylinder pressure you're going to create with the SC anyway. Lowering compression is going to help make hp, but its not going make the rods stronger.

SWEET2KSTANG · May 27th, 2009, 05:42 PM

450 is just a round about figure of the rotating assembly the way it sits. it can do more, i have seen it. its all in the way power is made, etc. the cranks are damn stout and can hold 650rwhp, above that a forged crank is highly recommended.

Boostang · May 27th, 2009, 06:32 PM

ill probably go with 5550 to the wheels and stop there until i get the money to buy a forged crank of some sort..

SWEET2KSTANG · May 27th, 2009, 06:32 PM

5550??? thats a little more than a stocker will hold

Black Bullitt · May 27th, 2009, 06:34 PM

I think that was an e-stutter.

Boostang · May 27th, 2009, 06:36 PM

BWAHAHAAHAHA i meant 550 rwhp..
i might be able to tie tim lynch with 5550 hp

SWEET2KSTANG · May 27th, 2009, 06:38 PM

Originally Posted by Black Bullitt

I think that was an e-stutter.

May 27th, 2009, 11:01 AM	#41
Exodus Regular 02 mineral grey GT SORC 29 miles 13 mins 14 secs Join Date: Aug 2008 Location: Nebraska Posts: 411 iTrader: 0 reviews	The crank WILL hold more hp than the pistons and rods. Sweet is of the opinion that you can push better than 650 hp through it without issue. I am of the opinion that that's pushing the limits of the cast integrity. And that's exactly why the rods are only worth the 450 rwhp. That is the equivalant of the breaking point in the metal, the rods are just physically not stronge enough to hold anymore hp. As to whether or not you can buy a lower compression head gasket and if that would eliminate the issue, I doubt that would help. Because of the inherent cylinder pressure you're going to create with the SC anyway. Lowering compression is going to help make hp, but its not going make the rods stronger. __________________

May 27th, 2009, 05:42 PM	#42
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	450 is just a round about figure of the rotating assembly the way it sits. it can do more, i have seen it. its all in the way power is made, etc. the cranks are damn stout and can hold 650rwhp, above that a forged crank is highly recommended. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

May 27th, 2009, 06:32 PM	#43
Boostang Hardcore Enthusiast 1997 Mustang GT 11.01@128.32 Join Date: Jan 2009 Location: Seale, Alabama Posts: 1,747 iTrader: 0 reviews	ill probably go with 5550 to the wheels and stop there until i get the money to buy a forged crank of some sort.. __________________ If It Dont Flow It Wont Go!!! forged pistons,teksid block and a romeo cast cranks for sale.. pm if interested.. selling them for next too nothing

May 27th, 2009, 06:32 PM	#44
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	5550??? thats a little more than a stocker will hold __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

May 27th, 2009, 06:36 PM	#46
Boostang Hardcore Enthusiast 1997 Mustang GT 11.01@128.32 Join Date: Jan 2009 Location: Seale, Alabama Posts: 1,747 iTrader: 0 reviews	BWAHAHAAHAHA i meant 550 rwhp.. i might be able to tie tim lynch with 5550 hp __________________ If It Dont Flow It Wont Go!!! forged pistons,teksid block and a romeo cast cranks for sale.. pm if interested.. selling them for next too nothing

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