I have a 00 sir and stock b16.

I am going to bore it to 84mm, get some new rods (dont know which ones to get yet) and probably JE 12.5 84mm pistons.
going to resleeve it with darton sleeves (anything better/cheaper) (84 or 85??)

will i have to port & polish the head for more flow also?
i know i will need hondata right cause the stock ecu wont work good after the bore (will it at all to get it to the tuner?).

the car is obd2 which hondata works on right, uberdata seems to be out cause it says i need obd1.

so pretty much priced out everything, just gotta decide on rods, and hondata. anything else im forgetting?

 

bump

 

when you bore it out to 85mm do you need to do any modifications to the combustion chamber/head to make them line up or what?...sorry cant help you much..but i think hondata does some good work,wait till your done with all mods then tune.

 

im not 100% certain, but im doing 84mm which should be ok since my head will fit on a b20 which is 84mm right so. the shop didnt recommend 85 cause at 84 if it gets scratched then i can go 85, 86 is too big.

might need a small port job but thats least of my concerns

 

you dont have to get your head ported. But its something you should do to see the full potential of your 84mm bore setup.

 

I would also open up the head to 84mm. And clay it too..just my $.02

 

will i have to make any changes to the TB or IM?

and i will need a different head gasket? which one?

 

if you are gonna sleeve it and get forged pistons, you might want to look at this set up.......it allows you to run an ls crank and rods in a b16a block (85mm bore)....and end up with a 2020cc engine, instead of a 1736cc engine (b16a crank w/84.5 bore)

https://honda-tech.com/zerothread?id=784199

https://honda-tech.com/zerothread?id=815614


<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spaceman &raquo;</TD></TR><TR><TD CLASS="quote">when you bore it out to 85mm do you need to do any modifications to the combustion chamber/head to make them line up or what?....</TD></TR></TABLE>

no you dont.

 

ya seen that thread posted alot before.

I am not sure I want to do that cause of the 85mm bore, I do not want to go over 84 like i said before incase I need to rebore a bit in the future to fix something.

and how much power will ls rods handle? i know with crower and wont have to worry if down the road I'm at 400whp


Modified by rlde.us at 12:29 AM 5/9/2004

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rlde.us &raquo;</TD></TR><TR><TD CLASS="quote">

I am not sure I want to do that cause of the 85mm bore, I do not want to go over 84 like i said before incase I need to rebore a bit in the future to fix something.</TD></TR></TABLE>

if you scar the cylinders on 85.00, you can always go 85.50.


<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rlde.us &raquo;</TD></TR><TR><TD CLASS="quote">
and how much power will ls rods handle? i know with crower and wont have to worry if down the road I'm at 400whp
</TD></TR></TABLE>

i've seen guys make 400+ on stock rods. touchy..but i've seen it a number of times. if your car is an n/a street car, stock rods are fine. especially with arp bolts.... we also have a forged rod upgrade. it just depends on your budget and application/rpm. i dont think you'll be making 400 hp (turbocharged) with high compression pistons. you would have to lower the compression for pump gas.

 

i try and research at least an hour a day on all this stuff and I still feel like a n00b.

first if I am boring my block is it any better to start with a b18? reason I think i might as well start with my b16 is the bore job is gonna cost no matter what block I go with so why spend money on another block also. if i blow this then i'll go b18.

also, lets say I were to grab your kit for 85 bore, what happens if i go 85.5 bore i need new pistons again?

also could you perhaps pm me your prices, assuming I also need the ls rods and crank.

i dont understand the rod ratio stuff yet heh

thanks

 

sorry another couple questions, im gonna start with my b16 block, built for vtec and ls block isnt, whether that matters....doesnt matter heh.

but what is wrong with the b16 crank? rods?

I want more than 11.5 cr was hoping for 12-12.5 this possible? or would i have to go the way I was going originally

 

help

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spaceman &raquo;</TD></TR><TR><TD CLASS="quote">when you bore it out to 85mm do you need to do any modifications to the combustion chamber/head to make them line up or what?...sorry cant help you much..but i think hondata does some good work,wait till your done with all mods then tune.</TD></TR></TABLE>

You will have to get some work done to the head if you go 85mm. Just ask Crescent of http://www.C-speedracing.com, he'll tell you what happenes. He ran a B20 at 85mm and a ITR head. The 2 and 3 cylinders on the head were slightly damaged from piston to head contact , he noticed this after when he pulled the head. Make sure you clay the motor, and give yourself at LEAST .030 clearance. and even more if you plan on going above 8600 rpm. Check these site for details. http://www.c-speedracing.com/h...y.php & http://www.theoldone.com/articles/badtothebone/

 

I rarely see interests on here about boring b16's as well seeing reults of it , this should be a good thread . I also plan on resleeving my b16 to 84.5 or 85.00 with aftermarket rods to lighten most of the rotating assembly which will definitley be an advantage since b16's are so rev happy plus it will have a displacement of a 1.8 . Iwas told though to have work done around the valves in the combustion for better air/ fuel, any thoughts on this? .

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nathan atwell &raquo;</TD></TR><TR><TD CLASS="quote">

You will have to get some work done to the head if you go 85mm. Just ask Crescent of http://www.C-speedracing.com, he'll tell you what happenes. He ran a B20 at 85mm and a ITR head. The 2 and 3 cylinders on the head were slightly damaged from piston to head contact , he noticed this after when he pulled the head. Make sure you clay the motor, and give yourself at LEAST .030 clearance. and even more if you plan on going above 8600 rpm. Check these site for details. http://www.c-speedracing.com/h...y.php & http://www.theoldone.com/articles/badtothebone/</TD></TR></TABLE>

Make sure that you get the head worked on if you go past 84mm