other than the fact that a ITR has 1.8L and the CTR is a 1.6L block, the ctr is only about 10-15hp behind the ITR...what really makes the 1.6 CTR motor put out so much power...would a ctr bored out to 84mm be a better overall block than an ITR?

the ctr and the itr basically have the same block. The Ctr is like a destroked itr block. The b16b also has higher compression.

so it basically has a shorter stroke allowing it to rev higher and easier correct? but a shorter stroke adversly affect torque right?

displacement impacts torque.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote"> CTR motor put out so much power...would a ctr bored out to 84mm be a better overall block than an ITR?</TD></TR></TABLE>

if you bored a stock ctr block out to 84mm you'd be having some serious issues

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VTHokie &raquo;</TD></TR><TR><TD CLASS="quote">The b16b also has higher compression.</TD></TR></TABLE>

Yes and No:

USDM ITR 10.6:1
JDM CTR 10.8:1
JDM/UK/Euro ITR 11.1:1

The B16B makes more revs.....

obviously it would be sleeved first but a SLEEVED and bored to 84mm b16b block would seem like the best overall trade off for god torque and high revving

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DutchITR1689 &raquo;</TD></TR><TR><TD CLASS="quote">The B16B makes more revs.....</TD></TR></TABLE>

Redlines for the ITR and CTR are both 8400 RPM.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JeremyL &raquo;</TD></TR><TR><TD CLASS="quote">obviously it would be sleeved first but a SLEEVED and bored to 84mm b16b block would seem like the best overall trade off for god torque and high revving</TD></TR></TABLE> why do you say that? the block itself is identical to any other b18c engine once disassembled. the difference is in the crank.

Pistons and about .2 of displacement.

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

Redlines for the ITR and CTR are both 8400 RPM. </TD></TR></TABLE>I mean where max power is developed.
BTW. the B18C6 rev limiter is at 8600 rpm

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BustaNutt-616 &raquo;</TD></TR><TR><TD CLASS="quote"> why do you say that? the block itself is identical to any other b18c engine once disassembled. the difference is in the crank.</TD></TR></TABLE>

b16 has a shorter deck, so its not identical.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DutchITR1689 &raquo;</TD></TR><TR><TD CLASS="quote">BTW. the B18C6 rev limiter is at 8600 rpm</TD></TR></TABLE>
The redline and the rev limiter aren't the same thing.

what about the tranny's?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JeremyL &raquo;</TD></TR><TR><TD CLASS="quote">what about the tranny's?</TD></TR></TABLE>
The CTR has the same ratios as the USDM ITR and the '96-97 JDM ITR. The '98+ JDM ITR has a longer 4th and 5th, but a shorter final drive (4.785:1 vs 4.400:1).

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00 FBP ItR &raquo;</TD></TR><TR><TD CLASS="quote">

b16 has a shorter deck, so its not identical.</TD></TR></TABLE>

Not the CTR.

thats right, i forgot that we were talking about the b16b.. i was thinking b16a's...