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Thread: 2014 Z convention

  1. #21
    Member Zmaster's Avatar
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    Quote Originally Posted by GreyFocus View Post
    All the mods I've done to my 370 are things I've done on other cars or would on any car that sees track use. Even though my focus was cheaper new, it cost me waaaaay more to modify lol. The money I've put in my Z is cooling, coilovers, wheels, brake pads, LSD, some power bolt ons and some safety. Only thing that was 370 specific was my fuel starve kit, which was worth every penny
    Oh yeah that fuel starve issue with 370Z is crazy. Seems to me they could have engineered that out after first year but that does take a fairly simple aftermarket mod for serious track junkie . I just went fuel cell with 4 scavenger pumps.

    Thing that I love with 370Z is stuff that usually wears out at the track is pretty cheap on and brake life is excellent. Trannies are bullet proof, rear ends and drive shafts are tough too. I havent had any issue with my stock wheel bearings yet and they are stock from 2010!

    I figure I have at least another season or two on transmission. I love the fact I can order brand new stock six speed tranny from Nissan Mostorsports for around $1500. I have seen these transmissions opened up and inspected after full season of grand am racing and they still look new.

  2. #22
    Pro Lurker GreyFocus's Avatar
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    Quote Originally Posted by Zmaster View Post



    Oh yeah that fuel starve issue with 370Z is crazy. Seems to me they could have engineered that out after first year but that does take a fairly simple aftermarket mod for serious track junkie . I just went fuel cell with 4 scavenger pumps.

    Thing that I love with 370Z is stuff that usually wears out at the track is pretty cheap on and brake life is excellent. Trannies are bullet proof, rear ends and drive shafts are tough too. I havent had any issue with my stock wheel bearings yet and they are stock from 2010!

    I figure I have at least another season or two on transmission. I love the fact I can order brand new stock six speed tranny from Nissan Mostorsports for around $1500. I have seen these transmissions opened up and inspected after full season of grand am racing and they still look new.
    yeah the fuel starve sucks, but alot of other performance oriented cars suffer from a similar issue, Evo X, Lotus for example.
    Yeah, nothing thus far on my car is wearing irregular or at an excessive speed. im on my orignal wheel bearings too at 70k miles.
    the trans and rear end should last a long time with NA power levels, its the drag forced induction guys who break things LOL

  3. #23
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    Loaded for the activities tomorrow. The name of this shot could be; The Beauty and the Beast LOL

    beauty-beast.jpg
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    Quote Originally Posted by Zmaster View Post
    As long as you get oil temps controlled and brakes sorted they are fairly bullet proof cars that don't cost much to maintain.
    What oil cooler system did you choose?

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    Quote Originally Posted by GreyFocus View Post
    All the mods I've done to my 370 are things I've done on other cars or would on any car that sees track use. Even though my focus was cheaper new, it cost me waaaaay more to modify lol. The money I've put in my Z is cooling, coilovers, wheels, brake pads, LSD, some power bolt ons and some safety. Only thing that was 370 specific was my fuel starve kit, which was worth every penny
    What oil cooler did you choose?

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    Pro Lurker GreyFocus's Avatar
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    Z master uses a huge trunk mounted cooler core.
    Used to be on the Nismo race cooler, now I'm on the AE performance oil cooler
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  7. #27
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    Thanks.

    Much appreciated.


  8. #28
    Pro Lurker GreyFocus's Avatar
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    Quote Originally Posted by Loose Caboose View Post
    Thanks.

    Much appreciated.

    do you still have your 350? what cooler are you on?

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    No cooler at all.

    My water temps have been pretty good, so I have put this off.

  10. #30
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    Quote Originally Posted by Loose Caboose View Post
    No cooler at all.

    My water temps have been pretty good, so I have put this off.
    Uumm . . . I think they are talking about OIL coolers.
    The deposed former Sheriff of trackHQ . . .

    2006 Porsche 997 Carerra Coupe 6-MT - daily driver
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  11. #31
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    Quote Originally Posted by Loose Caboose View Post
    What oil cooler did you choose?
    Big Setrab. I used my old street oil cooler for dif. on left of this pic. Have a big fan on oil cooler and take air from a duct on side of the car. Im considering inline water oil cooler as well. Oil gets up to 230 degrees in 20 minute sessions. Water was around 200.

    image_352.jpg

    image_136.jpg
    Last edited by Zmaster; 08-14-2014 at 12:58 PM.

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    Quote Originally Posted by Richard EVO View Post
    Uumm . . . I think they are talking about OIL coolers.
    They are, but I am assuming (perhaps wrongly) that oil temps should not be a problem if water temps are o.k.

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    Pro Lurker GreyFocus's Avatar
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    Quote Originally Posted by Loose Caboose View Post
    They are, but I am assuming (perhaps wrongly) that oil temps should not be a problem if water temps are o.k.
    not exacty, unless you have a water temp and a oil temp gauge saying other wise. VQ's tend to put more heat in there oil then there water. even if your water is ok, you oil temps could be floating around 240-260. What engine do you have in your Z?

  14. #34
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    Yeah my water temps are way low. They tend to average 190. Oil gets very hot in these motors and expereinced guys who build the VQ race motors say dont go over 240 or expect earlier failure than planned operational hours. I think I may have one of higher compression VQ's out there as mine is 13.6 to 1. I like it as I dont have to run motor to crazy RPM's to make power. My first time out on track I was short shifting and not shifting down in places I usually would. Not that it was faster but for track day no sense in running motor into ground and it was nice and torquey.

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    Quote Originally Posted by GreyFocus View Post
    not exacty, unless you have a water temp and a oil temp gauge saying other wise. VQ's tend to put more heat in there oil then there water. even if your water is ok, you oil temps could be floating around 240-260. What engine do you have in your Z?
    It is a 2008 350Z with a VQ35HR.

    My oil pressure also seems to be o.k., but this may also not be a good proxy for oil temp.

  16. #36
    Pro Lurker GreyFocus's Avatar
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    Quote Originally Posted by Loose Caboose View Post
    It is a 2008 350Z with a VQ35HR.

    My oil pressure also seems to be o.k., but this may also not be a good proxy for oil temp.
    Yeah neither the oil pressure more water temp is a accurate indicator of the oil temp

  17. #37
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    Thanks again.

    Looks like an oil temp gauge is in order.

  18. #38
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    Quote Originally Posted by Loose Caboose View Post
    Thanks again.

    Looks like an oil temp gauge is in order.
    HR motor's have high oil temps similar to VQ37, hopefully your car had a factory oil to water cooler. Regardless though I feel you should do a aftermarket air to oil cooler kit and a gauge at the same time

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