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ls crank/rods in a gsr block

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Old 06-16-2003, 04:06 PM
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Default ls crank/rods in a gsr block

are there any modifications to the block in order for this to work? what are the advantages to this mod? tia.
Old 06-16-2003, 04:23 PM
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Default Re: ls crank/rods in a gsr block (cycocivic)

I would check the piston to oil squirter clearance.
Old 06-16-2003, 04:30 PM
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Default Re: ls crank/rods in a gsr block (Rocket)

the reason i ask this is because i was wondering how an 89mm stroke would fit in a space made for a 87.2mm one. thanks rocket for your reply.
Old 06-16-2003, 04:49 PM
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Default Re: ls crank/rods in a gsr block (cycocivic)

I think I just answered this. Just check the squirter clearance like rocket said
Old 06-16-2003, 04:52 PM
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Default Re: ls crank/rods in a gsr block (Rocket)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rocket &raquo;</TD></TR><TR><TD CLASS="quote">I would check the piston to oil squirter clearance.</TD></TR></TABLE>

I'm not sure I understand why you would have to worry about piston to oil squirter clearance I mean aren't the oil squiters underneath the pistons lubricating the rods? Correct me if I'm wrong.
Old 06-16-2003, 04:56 PM
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Default Re: ls crank/rods in a gsr block (b20ek)

when the piston is moving down, if there isn't enough clearance you could end up damaging them.
Old 06-16-2003, 05:09 PM
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Default Re: ls crank/rods in a gsr block (cycocivic)

Or the crank throw. Just assemble the motor rotate it slow while watching the squirters for clearance
Old 06-16-2003, 05:28 PM
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Default Re: ls crank/rods in a gsr block (TREVER)

I heard something about machining one of the caps to make it fit right.
Old 06-16-2003, 05:33 PM
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Default Re: ls crank/rods in a gsr block (cycocivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cycocivic &raquo;</TD></TR><TR><TD CLASS="quote">when the piston is moving down, if there isn't enough clearance you could end up damaging them.</TD></TR></TABLE>

Yep, the stroke is longer and the rod is shorter so the piston is going to be closer to the squirter at BDC.
Old 06-16-2003, 08:15 PM
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more info for this please i was thinking of doing the same thing kinda like a sleeper lsvtec with out the headaches u know
Old 06-16-2003, 08:35 PM
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Default Re: ls crank/rods in a gsr block (J2turbo21)

the only time i've heard of machining a cap was to put a gsr girdle in a ls/crv block? im not sure tho.
Old 06-16-2003, 09:01 PM
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Default Re: ls crank/rods in a gsr block (cycocivic)

Not sure if it is the same on all B18C motors with LS cranks, but... In my B18C block when I installed the LS crank, the crank itself was hitting the oil squirters. The only way at the time to fix it was to knife edge the crank.


Jason
Old 06-17-2003, 09:40 AM
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Default Re: ls crank/rods in a gsr block (cycocivic)

LS crank adds around 37cc's of displacement and ups compression a little. There is a lot of debate over this mod and the oil squirters. Some say you should cut them off and some say you shouldn't. My advice would be you will never get a concrete answer so keep them if you can, there is less chance you will have problems in the long run. Just make sure you have clearance cause you don't want anything to hit them and shave off little pieces of metal into your engine. You will need to use LS rods and again some people say you should upgrade to ARP rod bolts and some say it isn't necessary. It's up to you but for $100 I would just upgrade the bolts for piece of mind.
Old 06-17-2003, 04:35 PM
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Default Re: ls crank/rods in a gsr block (Witty)

Just run eagle rods .137 longer..
Old 06-17-2003, 07:21 PM
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Default Re: ls crank/rods in a gsr block (indomotor)

you have to machine the crank to pas the oil squirters. i wouldn't recomend it because i had a ls crank with rods in a typr-r block and i kept spinning bearings. so i out the r crank and rods back in. not worth it. trust me.
Old 06-18-2003, 03:39 PM
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anyone else have problems with spinning bearings
Old 06-18-2003, 03:41 PM
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Default Re: ls crank/rods in a gsr block (EXTREMEJDM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EXTREMEJDM &raquo;</TD></TR><TR><TD CLASS="quote">you have to machine the crank to pas the oil squirters. i wouldn't recomend it because i had a ls crank with rods in a typr-r block and i kept spinning bearings. so i out the r crank and rods back in. not worth it. trust me.</TD></TR></TABLE>

Was this with Honda OE bearings?
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