LS crank in GSR block
04-13-2009, 05:00 PM
#22
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Re: LS crank in GSR block
i could be off but i think someone told me it raises displacement? anyone confirm or disconfrim?
or am i mixed up? is there any change involved like that with other cranks and other blocks?
or am i mixed up? is there any change involved like that with other cranks and other blocks?
04-13-2009, 05:29 PM
#23
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Re: LS crank in GSR block
If you increase volume (bore, head work, etc.) and/or stroke, you increase displacement.
04-13-2009, 05:46 PM
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Re: LS crank in GSR block
Ooooh k
1. A LS crank WILL work in a GSR block or in any other B series block for that matter.
2. To run a LS crank you MUST use rods for a LS. B16 & LS/B20's have slightly wider rods and rod bearings.
3. You DO NOT need to remove or use oil squirter block offs. Just simply bend the squirter so that the crank counter weigh does not hit the squirters. They should be used when running a street motor setup.
4. The LS and B20 blocks have the same deck heights as the GSR and ITR.
5. If you do use a LS crank and rods in a GSR, it may ever so slightly increase compression, but it really matters on what pistons you use and whether or not you are using a GSR head.
6. the LS/B20 cranks (which are the same btw) are 89mm stroke where the GSR/ITR cranks (which ARE NOT the same...btw) are 87.2mm stroke.
7. NO, head machining is not required when using any B series crank in any B series block as long as you are not a dumb ass and try to put a LS crank with CTR rods in a B16A block!
8. I am NOT 100% wrong and last time I checked this thread WAS about 80% failed!
1. A LS crank WILL work in a GSR block or in any other B series block for that matter.
2. To run a LS crank you MUST use rods for a LS. B16 & LS/B20's have slightly wider rods and rod bearings.
3. You DO NOT need to remove or use oil squirter block offs. Just simply bend the squirter so that the crank counter weigh does not hit the squirters. They should be used when running a street motor setup.
4. The LS and B20 blocks have the same deck heights as the GSR and ITR.
5. If you do use a LS crank and rods in a GSR, it may ever so slightly increase compression, but it really matters on what pistons you use and whether or not you are using a GSR head.
6. the LS/B20 cranks (which are the same btw) are 89mm stroke where the GSR/ITR cranks (which ARE NOT the same...btw) are 87.2mm stroke.
7. NO, head machining is not required when using any B series crank in any B series block as long as you are not a dumb ass and try to put a LS crank with CTR rods in a B16A block!
8. I am NOT 100% wrong and last time I checked this thread WAS about 80% failed!
Last edited by Yell88CRXsi; 04-13-2009 at 06:45 PM.
04-13-2009, 06:59 PM
#27
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Re: LS crank in GSR block
Yeah i found my answer a long time ago, but about the oil squirters, i wouldn't recommend any one bend them out of the way, there set at a precise angle which moving them might as well make them useless, Ive been talking to some big names about this and they all agree on going with the block off, and getting forged pistons, they said you can try to get your crank lightened by a shop that's willing to do it to clear the squirters if you wanna run oem pistons.
04-13-2009, 07:42 PM
#28
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Re: LS crank in GSR block
Originally Posted by hatchlback
i know boring increases displacement but doesnt stroke too?
The thread does contain a good deal of fail, but I wouldn't quite say 100%, maybe 99.9%.
04-13-2009, 07:58 PM
#29
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Re: LS crank in GSR block
i have been this route, and yes it work, use b16 pistons for high compression, and a vtec head and you will have a nice vtec setup....
04-13-2009, 08:23 PM
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Re: LS crank in GSR block
im only confused..why run a gsr block.. and a b16 head it would be a waste of money..
especially if u already have a ls block..but if u have a gsr block i sell it or keep it and buyy a gsr head and run a GSR not half of one..some people rather run b16 cause there similar to Tr's.. but it all depends on what ur looking for turbo/na..
im running stock ls block, with gsr head..
got the golden eagle vtec kit and everything works fine...
just throwing that out there..not as difficult as it sounds.
vtec hits hard in mine might wanna throw a type r cam if ur running b16 head..depends on what ur looking for
especially if u already have a ls block..but if u have a gsr block i sell it or keep it and buyy a gsr head and run a GSR not half of one..some people rather run b16 cause there similar to Tr's.. but it all depends on what ur looking for turbo/na..
im running stock ls block, with gsr head..
got the golden eagle vtec kit and everything works fine...
just throwing that out there..not as difficult as it sounds.
vtec hits hard in mine might wanna throw a type r cam if ur running b16 head..depends on what ur looking for
Last edited by StermeR; 04-13-2009 at 08:35 PM.