Ok all my clerances came out good except bearing # 4 is showing .0010 clerance, acording to Helms manual its within spec but its border line cuz the clerance should be .009 - .0017. Should I replace that bearing or will the tight clreance be ok?? I don't want spun bearings, I did everything right, I ordered the right Honda bearings and did every thing by the book.

 

It MIGHT be okay. You have to keep in mind the Honda tolerances are for a "normally" driven vehicle. If you plan on revving much higher than factory redline, you may want resize that bearing.

 

good question, I should be starting my build in a few weeks when the block gets back from the shop... can't wait to see the answer.

I would also like to know if the tolerances change for a high hp build?
If so, how can we find out what tol is right for our setup?

 

It's going to be a turbo 2.0L, so the numbers will be pretty high hopefully. I'm going to plastiguage them again and see what happens.

 

What color bearing are you using on the #4 main? Maybe you should go down a color or two.

 

Also make sure that there isn't even the tiniest spec of grit or anything between the bearing shell and the cap/block. You might also want to have someone mic that crank journal and bearing cap to find out which one is off.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by leadfoot78 &raquo;</TD></TR><TR><TD CLASS="quote">Ok all my clerances came out good except bearing # 4 is showing .0010 clerance, acording to Helms manual its within spec but its border line cuz the clerance should be .009 - .0017. Should I replace that bearing or will the tight clreance be ok?? I don't want spun bearings, I did everything right, I ordered the right Honda bearings and did every thing by the book. </TD></TR></TABLE>

If its in spec its fine. Honda is smart, honda has awesome clearences comparative to other manufacturers.

 

Ok, I remeasured it(cleaned the #4 cap aggressively) and it all came out good. But now I noticed that my #2 upper main bearing has a speck of dirt embedded in it so I had to order a new one and I will pick it up tomorrow. Also, my first attempt at gaping my rings failed, I gaped it to .035 and made the ring useless have to order another one.

 

one thing that you can try if you get a little too tight or too lose is this,

Try to change one bearing color, Just one bearing. For example, if your bearing code calls for black and it's a little too tight, try to take either the top or lower bearing and use the brown one instead, so instead of black/black, now you have black/brown, a little looser.

I run split bearings on my motor and I get .0015 on ALL cylinders.

just a thought,

Stan

 

I shoot for .0015" them too.

 

Yeah, all of mine are around .0015 except #3 is around .002, but the helms calls for a looser clerance on that one anyway so im happy with that. Thanx for the help everyone!!

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Arturbo &raquo;</TD></TR><TR><TD CLASS="quote">I shoot for .0015" them too. </TD></TR></TABLE>

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Arturbo &raquo;</TD></TR><TR><TD CLASS="quote">I shoot for .0015" them too. </TD></TR></TABLE>

I shoot for .0015" too from standing still

hahahahhaha