on the serious side the 402 or 408 route is pretty much worth it. 
Drawbacks to stroking
Then you are listening to the wrong people. I would like to know what their opinion of a 4" stroke is and why they claim it is bad.
There is nothing at all wrong with a slightly under square motor (more stroke than bore). As long as you build to suit that architecture you will have a killer motor. Now, don't go and put a 4.25" crank in a 4.8L block; it will never breathe because of the small bore (Think old school 305-307). Try to keep the bore and stroke within .125" if each other. A 3.898" LS1 block with a 4" stroke is fine. A 4" bore LS2/iron block and 4.100" stroke is also fine. They will perform and last. Just do it already!
There is nothing at all wrong with a slightly under square motor (more stroke than bore). As long as you build to suit that architecture you will have a killer motor. Now, don't go and put a 4.25" crank in a 4.8L block; it will never breathe because of the small bore (Think old school 305-307). Try to keep the bore and stroke within .125" if each other. A 3.898" LS1 block with a 4" stroke is fine. A 4" bore LS2/iron block and 4.100" stroke is also fine. They will perform and last. Just do it already!
Last edited by 1CAMWNDR; Aug 26, 2009 at 11:44 AM.
Then you are listening to the wrong people. I would like to know what their opinion of a 4" stroke is and why they claim it is bad.
There is nothing at all wrong with a slightly under square motor (more stroke than bore). As long as you build to suit that architecture you will have a killer motor. Now, don't go and put a 4.25" crank in a 4.8L block; it will never breathe because of the small bore (Think old school 305-307). Try to keep the bore and stroke within .125" if each other. A 3.898" LS1 block with a 4" bore is fine. A 4" LS2/iron block and 4.100" is also fine. They will perform and last. Just do it already!
There is nothing at all wrong with a slightly under square motor (more stroke than bore). As long as you build to suit that architecture you will have a killer motor. Now, don't go and put a 4.25" crank in a 4.8L block; it will never breathe because of the small bore (Think old school 305-307). Try to keep the bore and stroke within .125" if each other. A 3.898" LS1 block with a 4" bore is fine. A 4" LS2/iron block and 4.100" is also fine. They will perform and last. Just do it already!
Im thinking about 383 would this be ok for a dd? I am going to race it on weekends at the track? Would the PRC 2.5 LS6 heads work good for me with a good cam on a 150-200 shot? What cam would you all recommend?
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