I am looking to build my dohc zc for boost. I was given a nice barely used t25 and now I am thinking I want to use it. I am going to be looking to get about 225-250hp or so to the wheels. I know the rods will need to be upgraded but I am wondering about what pistons and bearings to use. I don't feel a need to spend like $600 buck on a set of forged units if I don't have to. I am pretty sure that my stock sleeves should hold in the mid to high 200's. I am looking at a set of Nippon Racing pistons JDM ZC P29 Pm7 Dome Pistons Civic Si D16 ZC FREE SHIP:eBay Motors (item 160336492057 end time May-29-09 21:37:10 PDT) and ACL race bearings 86-95 HONDA ZC DOHC 1.6L MOTOR ACL RACE BEARINGS WASHER:eBay Motors (item 200344490500 end time May-27-09 17:30:43 PDT) Has any one tried using these products? I know I will be running Eagle ESP rods so that I am not concerned about. As my motor sits now it has 10.2:1 compression. If i bore it .5mm over it will end up about 10.3:1. Is that to high for a good turbo setup? This is my first time building a motor for boost so any input would be helpful. Acording to the calculators on Zeal autowerks I should be around 260 hp at the crank and 225 at the wheels. using this setup
building a zc dohc for boost
- Thread starter Fernpatch
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Nippon pistons are good stock replacements, and ACL bearings work well. That compression ratio won't be too bad on boost, especially at the power levels you're looking at.
