Rep Power: 379

Does anybody know what the bore of our stock pistons are? I'm trying to order some lower compression Race Engineering pistons and they have 4 different sizes


Any help is appreciated, I need to order these *****. I'm kinda sick of adding oil to my car every day.

 
Rep Power: 379

please..

 
Rep Power: 0

Owners manual owns j00!

If I recall it's 74mm

 
Rep Power: 318

Humm... if you don't mind me asking, how is lower compresion pistons going to stop an oil leak... It sounds more like you have bad rings or blowhead gasket or something.

 
Rep Power: 379

I have a bad piston and blown rings...

 
Rep Power: 318

Bad piston? what have you done to your car? I was told that once by a couple mechanics (this was on a Labron), they all refused to work on my car once I told them I wanted all the bad parts because I was going to have them insepected by a machine shop.

Well the stock bore on the motor is 75mm and I think 1mm clearance is what Honda runs. So see if 74mm is the smallest piston they have for it. I doubt they make a piston for deboring a motor so the smallest diameter should be the stock size.

 
Rep Power: 318

it might be 2mm clearance though, but i think that's the americans manufactures usual clearance.

 
Rep Power: 379

The smallest lower compression pistons I found were 75 mm. You think that would work?

 
Rep Power: 318

Humm... what's the smalles with normal compression? If 75mm is the bore size, then a 75 mm piston would not leave any clearance room. But if you are replacing the pistons, I would highly recomended cleaning the bores of the piston out (or honing), which will widen the bores just a little bit. If I where you, I would call up Race Engineering and see what size bore they recommend for their 75mm low comp. piston. I am assuming you want low compression because of boost, so also ask if the rings are set up for a turbo system or N/A (if I remember right a turbo system has a little more clearance to alow for a little more blow by, but it's been a while since I looked at that, it could be the other way around). Tell them exactly what you want to do or have done to your car and ask them for their opinion. Then call anouther turbo company and ask them the same questions and compare the two.

But, I don't think I would want 75mm in a stock bore.

 
Rep Power: 379

aight cool man, thanks for the help

I'll call them up.