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SOHC vtec head....safe redline

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Old Oct 1, 2003 | 11:26 AM
  #1  
lohatch's Avatar
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From: the backwoods, usa
Default SOHC vtec head....safe redline

i am doing a mini-me swap on my d15b7 and i was wondering what rpm the stock valvetrain would be safe up to.....i would kind of like to bump up my redline without having to spend a lot of money on the head. thanks
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Old Oct 1, 2003 | 11:43 AM
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Default Re: SOHC vtec head....safe redline (lohatch)

I know most people that read this are gonna say bs but I used to have a 95 Si Hatch in 98'-00'. I had the basic bolt-ons i/h/e and a custom pyr-racing chip. Peter chipped it so the redline would be at 9200rpm's. I was a bit scared at first to rev it that high but after a couple of test runs I had no problem revving it that high. Granted I made no power after 7500. I used to dog on this motor and it never gave up. I even turbo'd(Only 5 pounds) it with the same chip. No piggyback system or check valves and it ran perfect. I might of been just a well built motor from honda but yeah basically I used to bounce of the rev limiter at 9200 while doing burnouts and the motor stayed together.
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Old Oct 1, 2003 | 12:06 PM
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Default Re: SOHC vtec head....safe redline (lohatch)

stock valvetrain floats at 8000-8100 rpm
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Old Oct 1, 2003 | 12:48 PM
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Default Re: SOHC vtec head....safe redline (lohatch)

It won't make power to far after 7200 rpm with stock camshaft anyway.
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Old Oct 1, 2003 | 05:13 PM
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Default

thanks for the info guys
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Old Oct 1, 2003 | 09:18 PM
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Default Re: SOHC vtec head....safe redline (RyanCivic2000)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RyanCivic2000 &raquo;</TD></TR><TR><TD CLASS="quote">It won't make power to far after 7200 rpm with stock camshaft anyway.</TD></TR></TABLE>

try 6800 rpm stock, 7000 rpm with the cam retarded 3 degrees.
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Old Oct 2, 2003 | 05:27 AM
  #7  
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Default Re: SOHC vtec head....safe redline (Mista Bone)

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

try 6800 rpm stock, 7000 rpm with the cam retarded 3 degrees.</TD></TR></TABLE>

I made power to 6800 rpm with the cam ADVANCED 1 degree. I will have the dyno to post tomorrow.
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Old Oct 2, 2003 | 05:44 AM
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Default Re: SOHC vtec head....safe redline (RyanCivic2000)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RyanCivic2000 &raquo;</TD></TR><TR><TD CLASS="quote">

I made power to 6800 rpm with the cam ADVANCED 1 degree. I will have the dyno to post tomorrow.</TD></TR></TABLE>

LOL,, you do realize that you are fighting a loosing battle,,,lol
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Old Oct 2, 2003 | 09:58 AM
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Default Re: SOHC vtec head....safe redline (infinatenexus)

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

LOL,, you do realize that you are fighting a loosing battle,,,lol</TD></TR></TABLE>

I know. Besides, it probably has alot to do with the timing my tuner setup on the Hondata too, so I guess the fact my cam gear is advanced one doesn't prove anything. Oh well.
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Old Nov 11, 2003 | 09:23 AM
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Default Re: SOHC vtec head....safe redline (Mista Bone)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mista Bone &raquo;</TD></TR><TR><TD CLASS="quote">stock valvetrain floats at 8000-8100 rpm</TD></TR></TABLE>

would that mean that i could use stock valve train(98 sohc vtec) for up to 8000 rpm with an upgraded cam?
I have p&p milled head?
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Old Nov 11, 2003 | 11:10 AM
  #11  
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Why do anything if you wont do it right? Just spend the money or dont do it. Why does evrybody try and be cheap and of all things with hondas? Face it with small motors you need to spend.
And when you come around you can make a sweet motor that pulls to 9k. have fun.
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