I got a b16 head and im goin to bore the block to 85mm(1mm over stock) I need to know what kind of pistons and rods to get because I know the stock piston and rods arent made for high rpm's...anyone that has build this set up can u give me some more info?BTW its goin to b a daily driven car but I plan on building it rt not half ass

 

If i were you I wouldnt bore it 85mm. b20 blocks dont have the strongest stock sleeves and have been known to fail when bored out. I would only do 84.5mm if you have to bore it. If the stock sleeves are fine I would leave it the stock bore. As far as pistons and rods go it really depends on your goals. Are you going n/a, nitrous, or boost? If you're just going to put it together and drive it and arent reall y going crazy you can use the stock rods just get some arp rod bolts. And for the pistons that really depends on your plans for the motor

 

if you plan on boring that big you should get you block sleeved, and get some cp pistons, and some eagle or crower rods, and he is right, if you bore those sleeves you are subject to crackin one in the future.

 

Stay at 84mm or if you have to bore, no more than 84.5mm. Some people have good luck with B20's, some dont...
I wouldnt rev a stock b20 bottom end past 8k personally. If you want to rev higher and build your engine to be more rev friendly, look at the +.137" length rods with some nice pistons.You could even de-stroke it with a gsr/itr crank for even higher rpm longevity, but youll lose displacement. If your going all motor, you probably dont want to do this.
I think Wiseco pistons are nice myself but CP's are said to be good too. I saw some sharp edges/poor machining on SRP's before so I dont care for them. Ross is also supposed to make a good piston.Ive never used them though.
If your staying all motor, theres some pretty new high compression cast pistons out that is supposed to be pretty hot.
At the very least, have a machine shop install ARP rod bolts since theyre the most stressed bolt in the entire engine. New oil pump too.

2 Liter all motor goodness- YUMMY

 

so heres what im gonns build b16 head/b20 block and new everything for the block

Its gonna b N/A and im gonna go with the 84.5mm bore but I heard b20 blocks arent made for high RPM's so I need to know what kind of piston and rods to get so I can rev high without messing the block up.

 

Why do you wanna rev so high, to make power or just to rev? you may have 'rev-ability' of like 9k (just spitting something out) but you may only make power until 8k (once again, just spitting soemthing out)

Once again what is this setup going to be for: Turbo, N/A, Nitrous?

I would grab some high compression Wiseco pistons and Eagle rods and call it a day

 

You dont necessarily have to upgrade the pistons and rods to rev high. Everything is mainly in the Head when it comes to revving high. If I were you and wanted good power n/a but nothing crazy, I would get a set of cp pistons and put them on the stock rods and have them shot peened w/ arp rod bolts. As for the head I would get spring and retainers and a set of itr cams and call it a day. I would also opt. for arp head studs and dont forget the golden eagle vtec conversion. Like I said this is a simple setup and it should make simple power, nothing crazy!!

 

Its gonna b all motor and I just wanna B able to rev to about 8500 RPM's.

Do I order say Wiseco pistons and Eagle rods for a b20 block or do I order them for a different kind of block, what I really dont want to happen is piston to valve contact so do I need shorter rods,longer rods or is stock rods and what compression pistons do I buy?

 

yes, you get the pistons and rods for a b20. If you gonna bore it make sure you order the right size pistons. As for compression it really depends, it sounds like you're looking for something simple, so I would go like 11.5:1 or somewhere around there. Either way you gonna have to have it tuned

 

wouldnt 11.5:1 pistons make the compression way to high the pistons might b 11.5:1 but the actual compression is gonna b alot higher rt? I wanna b able to use 93 octane