THANKS FOR THE INfO!!!!!!!


not sure if you know about my setup. but im running HR HEADS on a DE BLOCK.


its called 09 Maxima motor. Its possible for RWD too.

checkout my website and stuff for info.

Im running a STOCK 09 maxima motor putting down 301whp 277tq

edit, ive always wondered why you never switched over to the HR moto for your race car.

 

Some people just want attention, I guess.
Do you have a build/progress thread here? I'd be interested to learn more about your set up.

 

Yeah i posted it a long time ago.

https://my350z.com/forum/other-vehic...ng-vq35hr.html


I think i originally had it in N/A builds but it got moved.


Ive got insane good ideas for the Z platform but i don't have a Z lol.

 

There's no restrictions on who can and can't share. Feel free to open those ideas up for discussion.

 

this to me? lol

Ive shared some info on here, look at my thread started.


Far as other stuff I need a Z to test on before posting any info haha.

 

Even tho this forum is going downhill this may be one of the worst things posted this year.

 

Who is taunting??? This topic of "shortdeck" block with HR heads has been thrown around over and over and over... Even the "Team USA", ARK R32 build using an HR block with CNC ported Rev-up heads has been discussed... I am just saying that Nissan builds this "mystical" shortdeck HR already... but why do it? The build requires an HR harness or custom harness plus the cost of an engine build with the correct timing covers, chains and timing components. The alternative is just do a full HR that is sourced from where ever with harness, ECM and transmission, about $4000 or less, plus install. Now as for the "proprietary" information... anyone that looks outside of nissan to see where the VQs are placed will find where the shortdeck HR is.

 

Just finished reading your article in the March issue of Modified. Very impressive results out of an NA DE.

 

One thing I've always loved about the Maxima guys, always thinking of cool new ****

 

It would be a viable swap for revups. They already see 7000rpm stock so spinning to 7500 is not a major concern especially if the heads support the added rpm (unlike the DE heads that nosedive shortly after 6200rpm, and don't have that great of an oil pump and rod bolts for the added revs)

A FWD 09 maxima timing cover would work on a RWD block? Would a revup need a harness swap since it already has VTC on both sides of the bumpsticks? I'm guessing a connector or two may differ but that shouldn't be that much of an issue if that's all it is. An 09 maxima LIM would obviously be needed... I'm taking a stab in the dark here but the upper intake manifold may swap over from the RWD VQ HR's.

edit: Nevermind, forgot that the upper IM for RWD HR's use rectangular ports.

 

The graphs show that ported DE heads flow as well as HR. If already DE, spending $1k on porting seems like the best bet. Why worry about all the incompatibilities?

 

Because ported HR

 

Boom goes the dynamite.

 

I wanna see ported HR head results

 

This! Ive got a set of HR heads, that im planning to port and do cams, for my 09VQ motor.



The swap from adding EVT on a older ecu car, the issue woudl be a system to run EVT. Haltech works good. On my setup Haltech is fully running my EVT system.

Maybe we should make a new thread.

 

In for updates

 

... may not be worthwhile? I guess someone has to try and test but I suspect diminishing returns if the heads are flowing well from the factory.

 

this, porting is going to cost you velocity which kills low end and mid range, nothing on the street will benefit from ported hr heads especially when most people are scared to rev past 8k because of oil pumps. unless the ports are cnc machined from CFD software designs you actually risk hurting the flow on something that flows so well for its size already.

 

We will find out shortly

 

I have to agree with both of these statements. I'll be taking the wait and see approach. Hopefully there is something to be gained from porting the HR heads but for some reason I suspect that there will not be much of a "real world" benefit. I might be totally wrong and that wouldn't be the worst thing in the world for me to admit in this situation.