con rod research
#1
con rod research
Well since I started looking at different pistons I decided to do some research to find a con rod with near same sizes as ours or the pistons I may use and stock big end \ length
I've found the
A20\B20 honda rods use same size big and small diameter and is longer by 5mm
CA18DET rods have same big and little end and length as stock con rods.
I will update this as I find more info.
I've found the
A20\B20 honda rods use same size big and small diameter and is longer by 5mm
CA18DET rods have same big and little end and length as stock con rods.
I will update this as I find more info.
Last edited by Techsalvager; 02-26-2011 at 09:47 PM.
#4
Former Vendor
iTrader: (31)
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 15,442
Total Cats: 2,099
Plenty of reasons to lengthen the rods with a stock crank. Less piston speed, more RPM capabilities, and better rod reliability to name a few. Longer rods let you shift the wrist pin up in the piston and improve the rod ratio of the motor. 5mm is a bit excessive since you'll interfere significantly with the oil control ring, but 3-4mm is doable and has been done.
#5
Plenty of reasons to lengthen the rods with a stock crank. Less piston speed, more RPM capabilities, and better rod reliability to name a few. Longer rods let you shift the wrist pin up in the piston and improve the rod ratio of the motor. 5mm is a bit excessive since you'll interfere significantly with the oil control ring, but 3-4mm is doable and has been done.
OP, sometimes the rod width can be narrowed a hair at the bigend but not always.
Custom pistons will be needed, not a big deal.
#10
Former Vendor
iTrader: (31)
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 15,442
Total Cats: 2,099
The only complication is that the wrist pin gets elevated into the oil control ring, which requires a bit of trickery to make work, but it's doable.
#13
Plenty of reasons to lengthen the rods with a stock crank. Less piston speed, more RPM capabilities, and better rod reliability to name a few. Longer rods let you shift the wrist pin up in the piston and improve the rod ratio of the motor. 5mm is a bit excessive since you'll interfere significantly with the oil control ring, but 3-4mm is doable and has been done.