I’m in need of rebuilding my motor, 1-2 of my rings are shot. Read alot of posts on honda-tech and was wondering if using ls crank would i necessarily need ls rods? I’m just trying to minimize parts i need to buy. Also if i overbore the block .25 could i just use .25 over rings? Thanks in Advance
well if u use an ls crank, you will actually be stroking the motor out 1.9l. And what is the reason for boring the motor out .25? The walls get messed up that bad? If im not mistaken you can just use the gsr rods and pistons but you’ll need a tune if you throw in a ls crank…
You have to change the rods as well. The top of the piston is going to stick out of the block. That does not really come close to making the motor a 1.9L either, it makes it a solid 1.8L instead of a 1.79L
I was going to be using a ls crank soley because i cant go to a shop and have them take apart my motor in order for me to know size bearings, how much i need to over bore if i need it and stuff. this is my only ride to work and school, hence why i was gathering parts to make it easier for me to rebuild with less time needed. Well i doubt my walls are bad, but since rebuilding consist of bore and honing, could i just get oversized rings??
no you cannot use oversized rings if boring the cylinders… you will need to replace pistons aswell. my suggestion to you is that you get a machine shop to check you’re clearances and just do a hone if possible… if a machine shop is not available than you will have to buy a gauge to measure bore
if you use the LS crank, your going to need to remove your Oil Squirters.
Golden Eagle makes a kit for this i beleive.
my only question would be why? whats wrong with the GS-R rotating assembly? its closer to being a square motor, has the ability to rev to the sky, and you can retain your oil squirters.
where the hell are you getting your info? why dont you stop making stuff up and go color.
My local machine shop usually just orders a “Crank Kit” when doing rebuilds. It consists of a stock crank that has already been cut if needed and the main and rod bearings to fit the crank so you don’t have to worry about taking your shit out and spec’in it and then ordering the appropriate bearings. These usually only cost $150 for most cars too.
Drive to your machine shop and see if they can order something like this up.
[QUOTE=TurboG2teg311;1857089]
where the hell are you getting your info? why dont you stop making stuff up and go color.[/QUOTE]
lol making stuff up? an ls crank has an 89mm stroke and the gsr only has a 87.2 HENCE a 1.8mm stroke. Its not much but its an improvement and it will give you some extra torque. And my friend has told me u do use the ls rods. You will still retain the REVability as long as u replace the rod bolts with arp’s as those are the weak factor in the ls. Shot peening your rods wouldnt hurt either as a safety thing.
oh yeah and after calculations its brings your motor displacement up from 1797cc to 1851cc which rounds up BARELY to a 1.9
[QUOTE=ChrisChhorn;1858197]lol making stuff up? an ls crank has an 89mm stroke and the gsr only has a 87.2 HENCE a 1.8mm stroke. Its not much but its an improvement and it will give you some extra torque. And my friend has told me u do use the ls rods. You will still retain the REVability as long as u replace the rod bolts with arp’s as those are the weak factor in the ls. Shot peening your rods wouldnt hurt either as a safety thing.
oh yeah and after calculations its brings your motor displacement up from 1797cc to 1851cc which rounds up BARELY to a 1.9[/QUOTE]
B18c, ls crank, .25 overbore
* Number of Cylinders are = 4 to 1
* Piston Diameter = 81.000 Millimeters
* Piston Oversize = 0.250 Millimeters
* Engine Stroke = 89.000 Millimeters
Computation Results:
Computed Engine Displacement (CID) is 113
Computed Engine Displacement (Litres) is 1.8
Computed Engine Displacement (CC) is 1845.8
now let the adults talk and go color
It consists of a stock crank that has already been cut if needed and the main and rod bearings to fit the crank
When you say stock. . . Do you mean OEM Part? Or Aftermarket OEM Parts?
I doubt someone makes aftermarket stock cranks except the performance companies like eagle. You need to give them your crank for a core, so they then just take your crank and match it up with new bearings and sell it to the next person. round and round we go.
If your lucky you won’t need to any work done to your crank and you can just buy all the bearings then but you need to spec them yourself and that will be like $100. But if you need crank work and bearings the $150 for the new one ready to drop in is usually the best financial and time wise option.
Oh they aren’t oem bearings though.