type r pistons
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Joined: Aug 2002
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From: florida
type r pistons
type r pistons
Hey my question is im getting some type r pistons to go in my ls block. Im going to need some rings how much they run by. What else will i need done to my ls block. Will i need diffrent rods or can i modifey my ls rods. And am i going to have to do anything to the head. And is it recomened to bore my cylinder and how much will all of this setup cost.
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Ultra efro
Hey my question is im getting some type r pistons to go in my ls block. Im going to need some rings how much they run by. What else will i need done to my ls block. Will i need diffrent rods or can i modifey my ls rods. And am i going to have to do anything to the head. And is it recomened to bore my cylinder and how much will all of this setup cost.
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Ultra efro
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Joined: Jan 2001
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From: Westside til I die
Ok here we go. ITR pistons will fit in the LS, and will fit your stock LS rods. Your head doesn't need to be modified. New rings are about $90 I think, but I'm not positive. Until you actually take your LS pistons out, you won't know if you have to bore the cylinder walls. If they are scored, you will most likely have to have a machine shop bore the cyilnders .25mm over, and get .25mm oversize ITR pistons.
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Thread Starter
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Joined: Aug 2002
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From: florida
thanks
so is this correct then
"for Bseries engines:
general rule 1: any model with an R ending in the name (except for SiR, since an SiR IS an Si) means that the pistons can fit on the rods between models...eg. ITR piston can fit on a GSR rod. GSR piston can fit on a CTR rod. The rods can fit on the respective R cranks.
general rule 2: any engine without an R in the name can have their pistons, rods, cranks swapped between them with minor clearance adjustments to clear the crank in the block. SO for example, an LS rod can accept a Civic Si piston or B20 piston.
general rule 3: you cannot swap between rods and cranks from an R group to a non-R group. The big end of the rod have different sizes when they attach to the crank. For pistons, to get an R group piston onto an non-R group rod, you must mill the small end of the nonR group rod by 0.7mm one either side."
"for Bseries engines:
general rule 1: any model with an R ending in the name (except for SiR, since an SiR IS an Si) means that the pistons can fit on the rods between models...eg. ITR piston can fit on a GSR rod. GSR piston can fit on a CTR rod. The rods can fit on the respective R cranks.
general rule 2: any engine without an R in the name can have their pistons, rods, cranks swapped between them with minor clearance adjustments to clear the crank in the block. SO for example, an LS rod can accept a Civic Si piston or B20 piston.
general rule 3: you cannot swap between rods and cranks from an R group to a non-R group. The big end of the rod have different sizes when they attach to the crank. For pistons, to get an R group piston onto an non-R group rod, you must mill the small end of the nonR group rod by 0.7mm one either side."
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Joined: Sep 2008
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From: Pasco,WA
im builting a ls/vtec im going to run ctr pistons can i run ls rods???? i went down to a shop i got ls probe h beam forged rods and i order ctr pistons off ebay, i thought that the pistons are fake because the rods dont fit the pistons (head of the rod its to wide, rods will need to be grind off like a 1mm to make them fit) whats RODS i have to get? ls or type r rods???
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