NZeder

The RD28 was also used in the later Nissan Laurel early Laurel's had the LD28 as an option (good if you are looking for the diesel crank). Found this link that has a list of Nissans and the engine options offered (JDM I assume) http://shop.importdriver.com.au/store/products/category191.inetstore

260ZRED, what are the specs of the rims and the tires - I bet they will look great installed. You have to love the deep dish wow 3" on an old school rim like that, very very rare I would think these days.

Sorry to disappoint - but have a closer look at the rims you will notice a 5 stud pattern so I would assume a 5x4.5 (in metric 5x114.3) with the standard conversion tricks "Jamie T" can you confirm?

Well with my car still in bits - I visited a local Z Club member to install my new Compomotive ML mags on his Zed. I took some pic. These mags will be installed on my Z with its custom steel flares - however having seen these on a stock Z (stock suspension and guards/fenders) I will be looking to sell the front and get another 2 the same as the rears. Wheels and tire specs are as follows Front 15x7 -6 offset (3.76" BS) 205/55/15 Toyo Proxes 4 Rear 15x8 -12 offest (4" BS) 225/50/15 Toyo Proxes 4

Mike - does yours have anything to with the fact that you are using the N/A ECU with a Turbo Engine? Just a thought. 4-8mpg that is shocking. Cheers Mike (or should that be kiwi-mike)

This mihgt help re the TB pricing and sizing etc http://www.autospeed.co.nz/cms/A_2049/P_2/article.html Cheers Mike

I am amazed to see/read that different parts of the world take on different makes and models of cars. Here in NZ I would see 4 maybe 5 different S15 when travelling to work each day but I would only see a 240/260z or even a 280zx once every few months. NZ gets a lot of used JDM imports so we have all kinds of cars on the road of the Japanese type. Basically if it is Japanese and 1990's or higher there will be truck loads (no boat loads) on the road or in the dealers. Any thing older has been junked or is a mint car that is never seen during rush hour. Example brand new Rx8 is $45000 USD but a JDM import with 3000kms and about 1 year old $28000 USD.

Have you checked out http://www.tweakit.net/shop/ (Australian Site) they sell all kinds of stuff might. I know I have seen on this site a setup for twin carbs so they must be able to get the airboxes for a triple setup. Found it on their site check here http://www.tweakit.net/shop/product_info.php?cPath=57_49_50&products_id=143

From what I have been told it is a cut and weld job - I am looking at doing this to my manifold (might be an adapter plate job not sure I have not gotten this far - if another Ozzy/Kiwi can help please do). I have yet to locate a 65mm TB (have not had the time to visit the junk yards). From the research I have done Ford Falcons have 2 sizes 65mm and 68mm. The 65mm can be found on the XF Series I the 68mm are on the Series II and above models (if another Ozzy can correct me please do). I have even heard of a turbo MX5 with this size TB in this part of the world. Have a look at http://www.240z.id.au/ under fuel and electrics this is what Simon has done to his manifold.

jbwetzels I see you live in Australia get a Ford or Holden 65mm TB as these will be easier to find and cheaper than a 60mm 240sx TB (given the 240sx did not come this far down under - not sure if the 200sx uses the 60mm TB)

The flares on my car in my gallery are custom made and steel so if you don't like the VB ones you can always do this as EvilRufusKay states. Anyone got a pic of a car fitted with the steel VB flares? I would like to see these on also

Here is pic of a car with the fibre glass street flare (same style as the steel) then followed by an pic of the steel flares. http://album.hybridz.org/data/500/11058Street-Flare.jpg http://album.hybridz.org/data/500/11058Street-Steel-Flare1.jpg Hope this helps and the VB don't mind me doing this...if they do will have to remove.... Cheers Mike

I can scan a photo from the latest VB catalogue, but it is 12:34am here in NZ right now and the catalogue and digital cam is in my sons room (4 months old and my Z mags are in the desk in this room...darn got to fix that....) so if you can wait until morning (well a more realistic time in the morning) say in about 7-8 hours I will post here for you (if someone does not beat me to it that is)

I remember reading years ago that the best performance increase you can do to your car is you. I think the story goes like this "In the year of 1970 a small Japaness car company by the name of Datsun called the auto press to the launch of a new sports car. The 240z. This event was held at a race track (like most of these events) on had was also a Datsun race crew who had begin working on the new model for the up and coming season." Anyway to keep this short. The marketing guys told the press that each would get a turn around the track in the standard road car with the fastest to get a few laps with the race drive in the race car, to get the lines etc. Then this lucky press member would drive the race Z car against the race car driver in the standard Z car. Here is the good bit. The race car driver lapped 2 seconds quicker than the fastest of the press in the race car. So the moral of the story is take your self to a driving school and invests in your driving skills, these performance gains will always be with you no matter what car you drive. Then start to spend your $$ on your car.

RB30-ZED, thanks for the recommendation re the 65mm TB I will look into this when most engineering shops open back up after xmas/new years break. Anybody have any recommendations re the polishing of the EFI intake manifold? What is a good polishing compound to remove most of the casting pits etc. Once I have the manifold looking good I will have it clear anodized to keep it looking good.

George - re the dish vs flat-tops see the following site for info on the L6 series of engines, blocks/eads. http://www.geocities.com/zgarage2001/z.html This site talks about the US specs engines (head/block combos). Here in NZ we get all kinds mostly JDM combos or Australian combos so most L28 with F54 blocks have the N42 head (different anti-pollution laws in Japan/Australian and none here in NZ - I believe this is about to change this year with the new exhaust law). And therefore due to this F54/N42 combo have the dish pistons to lower the CR to 8.3:1. If this block/head combo has flat-tops CR is more likely to be 9.8:1.

hmmm a trade is out of the question - shipping from NZ 2 TX will be about $100 USD at least so that kills the trade right there (and this does not include shipping from Tx 2 NZ). Plus I think I will use it for now if it does not perform I will locate another EFI intake manifold locally or go triples as I already have a triple DCOE manifold (no carbs) or triple TB on the DCOE manifold. The cost of triple throttle bodies here in NZ is about $1300 - $1800 USD and for that I might get a custom made manifold (or modify the NAPS unit I have to flow better). This all assumes the NAPS manifold does not REV as "aarang" states. I will be pulling the head off the block shortly to check if all is OK. If the block has dish pistons I will replace with flat-tops to up the CR to approx 10:1 and do the usually rebuild stuff - polish, shot-peen, balance etc. This will be my first engine rebuild so I am looking forward to learning a lot of new stuff. Sites like this help with the knowledge amongst members and existing treads/discussions. I will also be adding to my tool box in the process if there are any special tools etc that are recommended please let me know - ie a 12mm ring/open spanner that is no more than x thick or that is longer than y will help with w. Cheers Mike

Excellent - can't wait to see the speedo...

mj, thanks for the info re the NAPS JDM manifold the butterflies are very simular in size almost to close to pick with my crude measurement (a compass to get the diameter of the butterfly and a ruler). I will use this manifold and de-burr the rough casting, port match to the head etc. Re my fuel rail question I did a search late last night and found lots of info and comments on the JSK Fuel rails so I will be looking into one of these units. Cheers Mike

Not sure but I think there might have been L28E powered Skylines in South Africa. ie before the RB engines were every produced. In NZ we knew of the 240K GT (70's vintage) these were also called a Skyline in other markets, powered by the L24. Anyway I think the engine is from a Nissan 430 Gloria/Laurel/Cedric/280C of the 80's (I think even the Nissan Leopard used the L28E although most I have seen have the LD28 fitted from factory). These produce the same HP as the n/a 280zx of the same era ie 180hp net or about 135rwhp (these are figures I found on a number of Japanese sites). Not much info on these Nissan Sedan L28E powered cars can be found anywhere? I know that NAPS made/developed the high performance crossflow heads for the 4 cylinder L series engines (some called NAPS-Z or LZ14 or LZ20B) so I guess I am hoping what I have is a performance factory intake manifold....but I am not sure so I am hoping some on this site might know.....

I have purchased an L28 from an import engine supplier here in New Zealand. The engine I received did not come from a ZX but I think maybe a Nissan Skyline or Gloria as the mounts don't look like anything I have seen before. The block is an F54 the head is an N42 but it is the intake manifold I would like to know more about. So has anyone on this site seen this type of EFI intake before and know if I should keep/use this? The manifold has "NAPS Computer System" cast on the top of it (I will attempt to link pic from my gallery) http://album.hybridz.org/data/500/11058L28-intake-manifold-loaded.jpg http://album.hybridz.org/data/500/11058L28-intake-manifold-stripped.jpg http://album.hybridz.org/data/500/11058L28-intake-manifold-TB-connection-messurements.jpg http://album.hybridz.org/data/500/11058L28-TB-2-butterflies-with-messurements.jpg The throttlebody has a twin butterfly setup one is 38mm dia the other is 42mm. The input into the TB is 65mm and the input into the plenum chamber is 80mm high by 40mm wide. I have read on this site and many others that a recommended EFI upgrade it to replace the TB with a 60mm unit from MSA or the 240sx TB. My question is given this NAPS manifold is different what are your recommendations? My car is a RHD 1977 260z that has those bad carbs. I am thinking of going EFI with aftermarket ECU. This is way I purchased an L28 ensuring it was a F54 block (as these come with EFI etc). This engine also has a crank trigger ignition fitted standard - good? bad? replace? http://album.hybridz.org/data/500/11058L28-crank-trigger.jpg Next step is to do a CR test and maybe pull the head, clean/crack-test/port-polish, rebuild bottom end if needed (ie change from dish to flat-top pistons etc) So does anyone have any ideas about if I should use this NAPS EFI manifold (thinking I will as I don't have any others - unless I purchase a different manifold - DCOE Throttlebodies are an option in the future but $$ will be the killer here in NZ) I have also seen/read about guys using different fuel rails - I would like to have my engine setup with a hidden loom and a tidier fuel rail - what is the solution (ie replace the injectors + fuel rail or modify the standard injectors + new fuel rail or just a new custom fuel rail) Cheers Mike