so here's my setup

b20 block
here is my setup:
stock b20 crank
carrillo rods
wiseco pistons CR 12:1
slightly milled GSR head
skunk2 hi-comp valves
skunk2 pro series valve springs
skunk2 titanium retainers
skunk2 pro3 cams
DIY ITBs about 43-45mm
Toda racing exhaust manifold
buddy club racing spec2 catback
tuned with hondata s300

and heres my dynosheet:


i think that there are few ways to improve the rusult. they are:
1. changing my current DIY ITBs for something bitter. like TWM 52mm ITBs. do you guys think it will work? What alternatives to TWM 52mm ITBs can you recommend?
2. buying a new built (ported, polished, etc) head. I heard Portflow does a great job on heads? Any other suggestions? One more question is wether it is possible to use oversized valves with my cams (skunk2 pro3) or i should stay with stock size valves?

thanks.

 

1 - A custom header more tailored for your setup. (smsp, hytech, ssr)
2 - Jenevy Mod for the itb's
3 - Head work (PortFlow, Headgames, Rlz)

 

Skunk2 does not recommend using oversized valves with the Pro-3 camshafts as it can create valve to valve clearance issues.

 

bought Skunk2 fully built ported and polished head I think they put oversized valves in it. also bought TWM 50 mm itbs.

how I wonder which cam angles do people usially use on similar setups?

 

1. Ported and Polish your GSR head.

2. Hytech replica header, make it a big tube since your running a b20 block.

 

First - better header.

Second - headwork.

Best of luck with your project.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dark@Powers &raquo;</TD></TR><TR><TD CLASS="quote">1. Ported and Polish your GSR head.</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Top Ramen &raquo;</TD></TR><TR><TD CLASS="quote">Second - headwork.</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by xQB21x &raquo;</TD></TR><TR><TD CLASS="quote">bought Skunk2 fully built ported and polished head</TD></TR></TABLE>

To the O.P., <U>please</U> do NOT sell your Toda for some ****** "Hytech replica" piece of absolute ****. Come on. Toda &gt; Copied/**** quality/absolutely NO r&d/support sweat shops/make your own god damned header. I think you will benefit from a SMSP header, the SSR honestly might be a gamble IMHO. The Toda manifold is the best off-the-shelf header you can buy. It's hard to beat.

Your midrange is phenominal btw, nice motor!

 

Oh, and since your new head came with O.S. valves, it is an absolute necessity that your cams are degreed. Watch your V2V like a HAWK.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by clean rice &raquo;</TD></TR><TR><TD CLASS="quote">
the SSR honestly might be a gamble IMHO. </TD></TR></TABLE>

Are you serious? SSR can't out perform a Toda header, lol.

 

I think what he means is that since he already has a toda header he wouldnt worry about replacing it with a hytech replica. I think the SSR might outperform the toda by a little but a toda is damn close without buying another 900+ dollar header. Oh and to the OP very nice set-up and numbers.

 

Ah no, I understood what he meant. He recommended SMS and said DTR was a gamble. I that found that statement funny.

Honesty, those two manufacturers are the best in the honda/acura game for off the shelf headers. How, DTR is gamble is something that begs an explaination

 

you might want to get slightly less aggressive cams. like the pro 2s to get full potential out of you setup, since your compression ratio is only 12:1

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by poundedhatchcrap &raquo;</TD></TR><TR><TD CLASS="quote">I think the SSR might outperform the toda by a little</TD></TR></TABLE>

wtf? the Toda unit is an os header. ssr/dtr, sms, hytech, rmf, bisi will outperform any os header from pillar to post. please stop spreading misiformation. mar778c is right...are u guys serious? i know cr owns a toda, so i can see why he gives it love, but, its not custom. so, its far from the best