b18b and b18c1
ok my friends teg isnt in the best of condition the block (ls) has had it. we searched on here and found nothing about putting a b18b head on a b18c1 block. if he did this he obviouly wouldnt rev any higher than normal ls engine should. on a compression calculator it came up w/ around 11. something to 1 compression if u had b18b head and b18c1 block. he plans on getting a b18c1 head when he gets cash but for now he needs a block and can only afford the block . can he do this or is there gonna be valves hitting pistons or something like that? what timing belt would be best for this?
Modified by lavo81 at 1:46 PM 5/13/2005
Modified by lavo81 at 1:46 PM 5/13/2005
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 99whitejizzer »</TD></TR><TR><TD CLASS="quote">ur post makes no sense</TD></TR></TABLE>
he's asking if youre able to put the ls head on gsr block.. and possibly instruction on how to do it?? ( i dunno) and hes wondering if he will encounter any internal problems.
he's asking if youre able to put the ls head on gsr block.. and possibly instruction on how to do it?? ( i dunno) and hes wondering if he will encounter any internal problems.
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by skylinedo »</TD></TR><TR><TD CLASS="quote">gsr/non-vtec</TD></TR></TABLE>
^ That's what I was thinking. I'm the opposite. LS/V with GSR head.
^ That's what I was thinking. I'm the opposite. LS/V with GSR head.
you should be able to do it. use a gsr timing belt because the water pump it bigger.( the ls are smaller so if you have a ls use the ls timing belt). im guessing that you would use a ls head gasket for the time being but you may have to block off the extra oil and coolant holes on the block or you will prolly have some leak issues. good luck
i cant remember if they completely round or not but i would try threading it and putting in a npt (national pipe thread) plug so that you can take it back out when yoiu put your vtec head back on
dude
just do the opposite of an lsvtec
1 you have to tape (1/8 npt) and plug the vtec oil passage on the vtec block. you do this because on vtec motors vtec is activated with an oil passage from the block to the head. for lsvtec the ls block does not have this oil passage so you plug the head so it does not leak and get the oil from the oil pressure sensor. but for this since the head does not have the passage you plug the block and you do not need to do any oil lins cuz you dont have vtec
2 You have to machine the ls head to accept dowels on the exhaust side (opposite of lsvtec). the dowels holes on a vtec block is on the exhaust side and on a ls block its on the intake side so you machine the ls head to take dowels on the exhaust side or you use lsvtec dowels on the exhaust side.
3 you use ls head studs
i think that should be it both the ls and vtec ecu will run the car but it probably will not run right and its going to be basically going to be the same speed as a ls motor.
i'm not sure what head gasket you would use. i know for lsvtec you use a ls head gasket but i supose for this you would use a vtec head gasket but i'm not 100% sure cuz no one does this.
cr will be about .3 higher than a ls motor but it will be destroked a little. and your vtec wires will just be hanging somewhere and the knock sensor is useless
just do the opposite of an lsvtec
1 you have to tape (1/8 npt) and plug the vtec oil passage on the vtec block. you do this because on vtec motors vtec is activated with an oil passage from the block to the head. for lsvtec the ls block does not have this oil passage so you plug the head so it does not leak and get the oil from the oil pressure sensor. but for this since the head does not have the passage you plug the block and you do not need to do any oil lins cuz you dont have vtec
2 You have to machine the ls head to accept dowels on the exhaust side (opposite of lsvtec). the dowels holes on a vtec block is on the exhaust side and on a ls block its on the intake side so you machine the ls head to take dowels on the exhaust side or you use lsvtec dowels on the exhaust side.
3 you use ls head studs
i think that should be it both the ls and vtec ecu will run the car but it probably will not run right and its going to be basically going to be the same speed as a ls motor.
i'm not sure what head gasket you would use. i know for lsvtec you use a ls head gasket but i supose for this you would use a vtec head gasket but i'm not 100% sure cuz no one does this.
cr will be about .3 higher than a ls motor but it will be destroked a little. and your vtec wires will just be hanging somewhere and the knock sensor is useless


