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Honda civic piston rods marked 2 and 3
Honda civic piston rods marked 2 and 3






honda civic piston rods marked 2 and 3 honda civic piston rods marked 2 and 3

  • 1.7L rods are the same from DX to EX (PLM).
  • The D17A gets it’s displacement from stroke. Compression height is lower than 1.6 pistons ~3mm, deck height is similar from D16 to D17, and bore is equal.
  • The VX rod is comparable to a 1.6L rod in length.
  • The only two rods that do not supersede from a PM6 is the P2P (D16Y8) and the PDN (GX motor). The D16Z6 uses a PG6 rod and the D16Y5 (HX) uses a PE1, but they both superseded to PM6 rods.
  • 88-00 D16 motors use the same length rods, PM6 (137mm).
  • The D17 engines would have longer rods still, about 3mm longer than a D16 rod. The VX rod is longer that the other 1.5L engines, approximately the same as the D16 engines. Thus, the rod lengths are the same if the displacement is the same, with one exception. There is another one here that we use a lot: Click here for the c-speed calculator!Īll D-series engines of similar displacement have equal stroke lengths. Hey, check it out! I found a neat Compression Ratio calculator! Kinda fun…. If nothing else, you should be able to get an idea of what you can run in your buildup. The conditions under which I conducted the measurements were not ideal. Similar measurements between pistons can probably be assumed to be equal. These measurements were meant to serve comparative purposes only. The Compression height was easily the hardest dimension to get right. Oh, and before you start giving me a hard time about it, I know some of my measurements are off. Well, here it is so far…I still need to get a hold of a couple more pistons, and a couple pics of the pistons above got lost, so I will need to continue where I left off here.
  • All wristpins were the same length at 56 mm.
  • Wristpin diameter was the same for all pistons at 19 mm except the PDN which has a wristpin diameter of 21 mm.
  • Bore diameter was the same for all pistons : 74.5 mm (I tested std bore pistons).
  • Here are a few things I found while measuring: (I am assuming P03 and PM3 are the same since a PM3 came in a P03 box) Without further ado, here are the pistons: Further details regarding measurements will be at the bottom of the page. Likewise, a 010 might be a part superseding a 000.Ĭompression height was calculated by measuring the distance from the TOP of the wrist pin hole to the TOP of the piston (not including any dome or dish) then adding half the wrist pin diameter.

    honda civic piston rods marked 2 and 3

    An A00 is a North American part while a 000 would be a World Market part. The second set of 3 digits I include give information as to what market the parts are from, and super-cession level.

    honda civic piston rods marked 2 and 3

    These are the numbers Honda uses to classify which engine the part goes in when determining part numbers. The different pistons are called out by the center 3 digits in their part numbers. The first question that arose in my mind was, “What pistons should I use?” Being a Hardin Honda employee, I took it upon myself to order one of every D-series piston new from the factory for the purposes of documenting them both photographically and dimensionally. I decided to catch some of these bits on the way to the trash and do a moderate street buildup on the stock D15 in my 95 CX hatchback. But for now, the D-series is the budget bruiser out there! I look forward to the day when B-series parts get disregarded in this way in favor or the K-series’ popularity. Largely due to the installation of bigger and more powerful B-series power plants like the B16A, GS-R, and Type-R variants, the D-series engines usually get dumped in the trash. The D-series engine has become a sort of underdog in the Honda performance engine scene. If you are like me, you like the underdog. Thank you for coming to The Super D-Series Comparo.








    Honda civic piston rods marked 2 and 3