Question on how high D16Vtec rods will handle
11-27-2004, 08:16 AM
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Question on how high D16Vtec rods will handle
I have a 1997 civic lx with a 2000 ex motor swap....I am running a 1995 Integra GSR ecu that will run 8300 rpm....does anyone know how much rpm the rods can handle.....there has been alot of work done to the motor.....new pistons....main bearings and crank line boared.....3 part beveled valves.....milled head....but i just dont know how safe it is to run 8300 rpm though....anyone?
11-27-2004, 09:07 AM
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Re: Question on how high D16Vtec rods will handle (97LxCivicVtec)
not any more than the factory redline...and why are you running a 95 gsr ecu in an obd2 car do you have a jumper harness??? and your car isnt equipped with vtec or secondaries...youre losin power running that ecu and gettin hella check engine lights
11-27-2004, 09:10 AM
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Re: Question on how high D16Vtec rods will handle (SICKSOLSI)
The problem is your valvetrain, really. You'll want to ugrade that before revving high unless you want to float a valve.
11-27-2004, 09:13 AM
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Re: Question on how high D16Vtec rods will handle (97LxCivicVtec)
Oh, and why the hell are you running a P72 on a SOHC engine? 
I bet your car runs like ****. A PCM from a DOHC engine that's OBD-1, on a SOHC engine that's OBD-2. WTF?!?!
I bet your car runs like ****. A PCM from a DOHC engine that's OBD-1, on a SOHC engine that's OBD-2. WTF?!?!
12-01-2004, 02:34 PM
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Re: Question on how high D16Vtec rods will handle (HybridEJ1)
it runs like a raped ape....if i might add....without vtec wired up i stomped a 2000 si....it really has internal work done to it.....i have a jumper harness to run it .....im just going to wait to hook it up untill i tune it better....
12-01-2004, 02:56 PM
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Re: Question on how high D16Vtec rods will handle (SICKSOLSI)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SICKSOLSI »</TD></TR><TR><TD CLASS="quote">not any more than the factory redline...and why are you running a 95 gsr ecu in an obd2 car do you have a jumper harness??? and your car isnt equipped with vtec or secondaries...youre losin power running that ecu and gettin hella check engine lights </TD></TR></TABLE>
Actually he said he has a 2000 EX swap, so he does have VTEC, but you're right he shouldn't be running the ecu.
Actually he said he has a 2000 EX swap, so he does have VTEC, but you're right he shouldn't be running the ecu.
12-01-2004, 04:30 PM
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Re: Question on how high D16Vtec rods will handle (97LxCivicVtec)
That sounds like the upper rpm limit of what I'd expose those rods to on a regular basis. Are you reving the engine up in that range on a continuous basis? In general most D series rods become questionable for reliability once you start pushing over 200 hp. It can be done, but it's not recommended.
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12-01-2004, 04:38 PM
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Re: Question on how high D16Vtec rods will handle (00Red_SiR)
What kind of pistons etc. are you running? Not all brands are created equal.
Its gonna depend... but Id say just take it 7,500rpms and call it a day.
(And I wouldnt consider beating a 2000' Si running like a raped-ape
)
Its gonna depend... but Id say just take it 7,500rpms and call it a day.
(And I wouldnt consider beating a 2000' Si running like a raped-ape
)
12-01-2004, 04:44 PM
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Re: Question on how high D16Vtec rods will handle (00Red_SiR)
D16Y8, 2000 flava, hmmm. I'd say around 7300, with no head work. The bottom end can handle it, there is a lower r/s ratio on the Y8's so piston velocity won't be a factor until around 8k.
It really depends on what has been done to it. New rods? Cam, springs, keepers, etc. They all play into the capabilities.
IM me if you need some real answers that I will not be sharing here. (not to sound up-itty or anything, lol.)
It really depends on what has been done to it. New rods? Cam, springs, keepers, etc. They all play into the capabilities.
IM me if you need some real answers that I will not be sharing here. (not to sound up-itty or anything, lol.)
12-01-2004, 05:02 PM
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Re: Question on how high D16Vtec rods will handle (97LxCivicVtec)
I've seen some crazy stuff and one of them was a D16y8 rev 8 grand. the only thing you need to upgrade is the cam and get it breathing better cause other wise whats the use. honda puts that red line so it stays more fuel effeceint and what not.
12-02-2004, 08:26 AM
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Re: Question on how high D16Vtec rods will handle (FizzGiGG)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FizzGiGG »</TD></TR><TR><TD CLASS="quote">D16Y8, 2000 flava, hmmm. I'd say around 7300, with no head work. The bottom end can handle it, there is a lower r/s ratio on the Y8's so piston velocity won't be a factor until around 8k.
It really depends on what has been done to it. New rods? Cam, springs, keepers, etc. They all play into the capabilities.
IM me if you need some real answers that I will not be sharing here. (not to sound up-itty or anything, lol.)</TD></TR></TABLE>
Actually, FizzGiGG, the r/s ratio on the Y8 isn't all that great. It's better on the D15's.
It really depends on what has been done to it. New rods? Cam, springs, keepers, etc. They all play into the capabilities.
IM me if you need some real answers that I will not be sharing here. (not to sound up-itty or anything, lol.)</TD></TR></TABLE>
Actually, FizzGiGG, the r/s ratio on the Y8 isn't all that great. It's better on the D15's.
12-02-2004, 08:44 AM
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Re: Question on how high D16Vtec rods will handle (FizzGiGG)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FizzGiGG »</TD></TR><TR><TD CLASS="quote">IM me if you need some real answers that I will not be sharing here. (not to sound up-itty or anything, lol.)</TD></TR></TABLE>
Love this part!!!
Love this part!!!
12-02-2004, 09:13 AM
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Re: (AzCivic1.6)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FizzGiGG »</TD></TR><TR><TD CLASS="quote">D16Y8, 2000 flava, hmmm. I'd say around 7300, with no head work. The bottom end can handle it, there is a lower r/s ratio on the Y8's so piston velocity won't be a factor until around 8k.</TD></TR></TABLE>
1.52 is a horrible rod/stroke ratio. I wouldn't go past ~7300 with the OEM valvesprings.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00supercivic »</TD></TR><TR><TD CLASS="quote">I've seen some crazy stuff and one of them was a D16y8 rev 8 grand. the only thing you need to upgrade is the cam and get it breathing better cause other wise whats the use. honda puts that red line so it stays more fuel effeceint and what not.</TD></TR></TABLE>
Incorrect. You need stiffer valve springs so that the valves can keep up with the higher revs. Also, you need stronger rod bolts because at high RPM's the OEM rod bolts stretch and KABOOM your pistons smash into your head, ending your crusade of self pleasuring VTECery.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AzCivic1.6 »</TD></TR><TR><TD CLASS="quote">better hope the oil pump can keep up.</TD></TR></TABLE>
Correct. The Y8 oil pump sucks. The Z6 is a much better bottom end to build for high revs.
1.52 is a horrible rod/stroke ratio. I wouldn't go past ~7300 with the OEM valvesprings.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00supercivic »</TD></TR><TR><TD CLASS="quote">I've seen some crazy stuff and one of them was a D16y8 rev 8 grand. the only thing you need to upgrade is the cam and get it breathing better cause other wise whats the use. honda puts that red line so it stays more fuel effeceint and what not.</TD></TR></TABLE>
Incorrect. You need stiffer valve springs so that the valves can keep up with the higher revs. Also, you need stronger rod bolts because at high RPM's the OEM rod bolts stretch and KABOOM your pistons smash into your head, ending your crusade of self pleasuring VTECery.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AzCivic1.6 »</TD></TR><TR><TD CLASS="quote">better hope the oil pump can keep up.</TD></TR></TABLE>
Correct. The Y8 oil pump sucks. The Z6 is a much better bottom end to build for high revs.
12-02-2004, 09:27 AM
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Re: Question on how high D16Vtec rods will handle (FizzGiGG)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FizzGiGG »</TD></TR><TR><TD CLASS="quote">IM me if you need some real answers that I will not be sharing here. (not to sound up-itty or anything, lol.)</TD></TR></TABLE>
And the rest are imaginary...
I say put that shyt on a Dyno and tune it, then you know until where u produce power... whats the point of reving up till 8000 when u stop building power after 7200? You get my point...
And the rest are imaginary...
I say put that shyt on a Dyno and tune it, then you know until where u produce power... whats the point of reving up till 8000 when u stop building power after 7200? You get my point...
12-02-2004, 09:31 AM
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Re: (BauleyCivic)
Civic-4-ges>> OK, whatever. I was drinkin and a ***** last night. I apologize.
Ryan>>>> R/S on the D15 is worse I thought, until you throw some VX rods in it. Than it rocks, or does it still rock in stock form?
Bauley>>> Yeah my bad about the D16 r/s ratio, had it backwards in my head.
AzCivic/Bauley>>> Can you guys truelly confirm that it is the oil pump causing the oil starvation problems? It could be a number of things causing it.
Ryan>>>> R/S on the D15 is worse I thought, until you throw some VX rods in it. Than it rocks, or does it still rock in stock form?
Bauley>>> Yeah my bad about the D16 r/s ratio, had it backwards in my head.
AzCivic/Bauley>>> Can you guys truelly confirm that it is the oil pump causing the oil starvation problems? It could be a number of things causing it.
12-02-2004, 09:34 AM
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Re: (FizzGiGG)
https://honda-tech.com/zerothread?id=1061007 Read me! Some people say its the pump, some say its not.
12-02-2004, 11:57 AM
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Re: (FizzGiGG)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FizzGiGG »</TD></TR><TR><TD CLASS="quote">
Ryan>>>> R/S on the D15 is worse I thought, until you throw some VX rods in it. Than it rocks, or does it still rock in stock form?
</TD></TR></TABLE>
D15 has a shorter stroke. I'll get the specs and show you later.
Ryan>>>> R/S on the D15 is worse I thought, until you throw some VX rods in it. Than it rocks, or does it still rock in stock form?
</TD></TR></TABLE>
D15 has a shorter stroke. I'll get the specs and show you later.
12-02-2004, 12:02 PM
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Re: (RyanCivic2000)
Engine R/S Ratio
D16A1,A6,Z6,Y5,Y7,Y8,ZC 1.52
D15B1,B2,B8,B7 1.59
D15Z1 1.62
http://www.knology.net/~jediklc/D.htm
D16A1,A6,Z6,Y5,Y7,Y8,ZC 1.52
D15B1,B2,B8,B7 1.59
D15Z1 1.62
http://www.knology.net/~jediklc/D.htm
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