HXvtec

i noticed when i drove my friends z6 his vtec pulled like a bitch. i was thinking should i get my y5 head or go z6. roller rockers are great but after driving his car i was thinking. so with the swap what do i need?? the timing belt shold line up right??

HXvtec

bump for the morning crew. going to bed have to work in 4 hours. peace y0

HXvtec

bump for the noon crew. ::yawn:: im so tired

BauleyCivic

The Z6 pulls harder than a Y5 because of the transmission, the cam, and the intake manifold. To make the most of a Y5 you need to get the EX tranny, the EX manifold, as well as a custom agressive cam made. The point is that Y5's have more POTENTIAL than the Z6, but stock for stock they are far less superior.

HXvtec

i have the tranny already remember. i heard u cant put an ex mani becuase of the egr valve. this true??

Spade

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BauleyCivic &raquo;</TD></TR><TR><TD CLASS="quote">The Z6 pulls harder than a Y5 because of the transmission, the cam, and the intake manifold. To make the most of a Y5 you need to get the EX tranny, the EX manifold, as well as a custom agressive cam made. The point is that Y5's have more POTENTIAL than the Z6, but stock for stock they are far less superior.</TD></TR></TABLE>

I agree with the above and also want to add that the Z6 head is actually one of the best designed heads for port flow capability due to the straight pathed design of the ports.

The 96+ D series heads have a large handicap.

HOWEVER, if you are already a Y5 powered car, stick with the Y5 and get the gearing! You'll love it.

That and the I/H/E.....Y5's love that.

HXvtec

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

I agree with the above and also want to add that the Z6 head is actually one of the best designed heads for port flow capability due to the straight pathed design of the ports.

The 96+ D series heads have a large handicap.

HOWEVER, if you are already a Y5 powered car, stick with the Y5 and get the gearing! You'll love it.

That and the I/H/E.....Y5's love that.</TD></TR></TABLE>

got the tranny already. its awsome. have i/e. goin turbo soon so dont need the header.

Targa250R

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">i noticed when i drove my friends z6 his vtec pulled like a bitch. i was thinking should i get my y5 head or go z6. roller rockers are great but after driving his car i was thinking. so with the swap what do i need?? the timing belt shold line up right??</TD></TR></TABLE>
If you haven't bought anything yet, you might as well start with the Z6 head unless you forsee running a rediculously aggressive (and unstreetable) cam.

Since you already have a Y5 though and plan to turbocharge, might as well keep he Y5 head for now and save your money for later.

BauleyCivic

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">i have the tranny already remember. i heard u cant put an ex mani becuase of the egr valve. this true??</TD></TR></TABLE>

What I would do is (Spade correct me if I need to be) get the EX Intake manifold and the EX ECU w/ a VTEC controller...getting rid of the EGR valve altogether. Set the VTEC as low as possible with the VAFC (I believe lowest is 3000).

HXvtec

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

What I would do is (Spade correct me if I need to be) get the EX Intake manifold and the EX ECU w/ a VTEC controller...getting rid of the EGR valve altogether. Set the VTEC as low as possible with the VAFC (I believe lowest is 3000).</TD></TR></TABLE>

true. that one hx guy i believe his name is, Civic Hx-t, is doing that.

Spade

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">i have the tranny already remember. i heard u cant put an ex mani becuase of the egr valve. this true??</TD></TR></TABLE>

Correct. The EGR needs to be there.

Unless you want to take on a project such as new ECU (p2p) and o2 wiring and cam to basically turn the engine into a performance engine instead of an efficiency engine.

Even then you are spending a lot of money.

HXvtec

thanx fellas. cause i will keep the y5 and my gas mileage.

Spade

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

What I would do is (Spade correct me if I need to be) get the EX Intake manifold and the EX ECU w/ a VTEC controller...getting rid of the EGR valve altogether. Set the VTEC as low as possible with the VAFC (I believe lowest is 3000).</TD></TR></TABLE>


Yes, you can do that. However, the seconardy O2 has been a bitch in the past, for others who have done the HX to Y8 swap.

You do want a custom cam though....but then if your going to go with a Turbo in the furture.....

sohcvtec1995

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">i noticed when i drove my friends z6 his vtec pulled like a bitch. i was thinking should i get my y5 head or go z6. roller rockers are great but after driving his car i was thinking. so with the swap what do i need?? the timing belt shold line up right??</TD></TR></TABLE>
are you talking about my car? I told yopu my motor is better . Anyways I still think you should do the z6/y8 head, intake manifold and ecu. that way you might be able to hang with me!!! j/k.