I'm going to have my engine built soon and i'm not sure on what ring gap to tell the builder to set it at...
the engine will be a DD b18b1 with wiseco pistons and eagle H beams...
any input on what would suit me best?
also, what bearings should i use? i'm leaning towards the ARP street bearings...
Thanks in advance for any help

 

I suggest setting ring gap to the tight side of OEM specifications. I would first check with the manufacturer of your pistons to see if they have any reccomended gap specifications for use with their pistons, as they have different heat expansion rates over an OEM piston.

 

I assume by you sig you are turbo.I'm guessing you still 81mm.If that's the case I would gap both the top and second at .020".I would use oem specs for bearing clearances.If you can get that with the acl's then go for it.

 

The rules are different with FOUR cylinder engines.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DirtySol &raquo;</TD></TR><TR><TD CLASS="quote">I suggest setting ring gap to the tight side of OEM specifications. I would first check with the manufacturer of your pistons to see if they have any reccomended gap specifications for use with their pistons, as they have different heat expansion rates over an OEM piston.</TD></TR></TABLE>
ok cool, i'll look into that

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NJIN BUILDR &raquo;</TD></TR><TR><TD CLASS="quote">I assume by you sig you are turbo.I'm guessing you still 81mm.If that's the case I would gap both the top and second at .020".I would use oem specs for bearing clearances.If you can get that with the acl's then go for it.</TD></TR></TABLE>
yes i am turbo...and this setup will be for my new build...gt35 LS..hoping for 4--whp
would .020" for both gaps really be ok? i'll admit, idk **** about engine building at all..but i thought that would be a lot on the tight side?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Combustion Contraption &raquo;</TD></TR><TR><TD CLASS="quote">The rules are different with FOUR cylinder engines.


</TD></TR></TABLE>

haha so let's hear your input

Thanks for everyone's help so far

 

I was just kidding. NJIN BUILDR is always on the money with his recomendations and input.

 

If your builder is known for building good and fast motors just let him do his thing. Assemble the motor yourself if you want to do your own blueprinting. From my experience, builders tend to get annoyed with people who tell them how to do their jobs. And if you're spending the money to build a motor why not spend a little extra on OEM bearings?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 91SiZ6 &raquo;</TD></TR><TR><TD CLASS="quote"> And if you're spending the money to build a motor why not spend a little extra on OEM bearings?</TD></TR></TABLE>
B/c i always heard that ACL are the way to go.
should i go oem and get the gsr bearings b/c they're a tri-metal bearing or something like that?

 

ACL's are a tri metal as well.

 

yeah, acl's are a good option if your tolerances allow for.

 

ACL/King/Cleavite bearings = One Size Fits Most.

They're all sized for Honda's Green color. Honda has seven different bearing sizes for a reason. Put it to you this way, go to ImportBuilders.com and see what kind of bearings Jeff is using in his motors.