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Posted

Contact Lee Dent at LA Autos he recently replaced my zedworld chip with another and it's much better. The zedworld chip tends to over fuel so the car doesn't run lean . Lee can probably provide a chip with a good base map on that can be swapped for the zedworld one. Noel can do this too

Posted (edited)

Zedworld supplied chips were based on the widely available map made famous by JWT, no mystery to that and that map will be fitted to many, many zeds be it in Zedworld guise or another, often referred to as a generic chip. The map is based on 15 year old information and it is possible of course a new slant on it with improved monitoring equipment can bring its own improvement but the main thing with any chip or mapping is keeping your engine tune in place.

 

Often we saw in the Zedworld workshop zeds fitted with our chip some years before had changed hands and came back to us years later for service and find timing needed adjusting or air leaks had occurred as well as other performance reduction issues, these been sorted during the service would amaze the owner with the performance upgrade but it was not the chip that been changed just realigning the tune did the trick.

 

Many of the zed fitted with Jap import chips such as Central 20, Veilside and many more are set for Jap spec high octane fuel and can potentially run lean on UK fuel so boost has to be adjusted accordingly, agree our chips run higher fuel at higher boost but for me that`s a good thing as it allows for differences in engines, but what I can say is every mapped zed I see on rollers or on the road gunning it hard are black smoking, so they are over fueling much higher, black smoke was not a typical product on my ecu upgrades.

 

Proven generic chips are not a bad thing Noel in fact made a small business as Turbonoz on E-bay for years selling exactly them and still does ( in different names), of course everyone has an opinion and maybe as Zedworld we did at least 300 chip upgrades I can say that the amount that were not happy I can count on one hand. But then of course the new players that have come on the scene in recent year`s need a benchmark to sell their products from then I am happy to be that benchmark, let`s see how long before for the haters pitch in now

Jeff

Edited by JeffTT
Posted
Many of the zed fitted with Jap import chips such as Central 20, Veilside and many more are set for Jap spec high octane fuel and can potentially run lean on UK fuel so boost has to be adjusted accordingly, agree our chips run higher fuel at higher boost but for me that`s a good thing as it allows for differences in engines.

 

I'm guessing this includes my blitz ECU which I have heard is very aggressive with the timings. Should I look to get it remapped before upping the boost? I believed it was installed with the blitz boost controller in but since the boost controller has been disconnected.

Posted
Zedworld supplied chips were based on the widely available map made famous by JWT, no mystery to that and that map will be fitted to many, many zeds be it in Zedworld guise or another, often referred to as a generic chip. The map is based on 15 year old information and it is possible of course a new slant on it with improved monitoring equipment can bring its own improvement but the main thing with any chip or mapping is keeping your engine tune in place.

 

Often we saw in the Zedworld workshop zeds fitted with our chip some years before had changed hands and came back to us years later for service and find timing needed adjusting or air leaks had occurred as well as other performance reduction issues, these been sorted during the service would amaze the owner with the performance upgrade but it was not the chip that been changed just realigning the tune did the trick.

 

Many of the zed fitted with Jap import chips such as Central 20, Veilside and many more are set for Jap spec high octane fuel and can potentially run lean on UK fuel so boost has to be adjusted accordingly, agree our chips run higher fuel at higher boost but for me that`s a good thing as it allows for differences in engines, but what I can say is every mapped zed I see on rollers or on the road gunning it hard are black smoking, so they are over fueling much higher, black smoke was not a typical product on my ecu upgrades.

 

Proven generic chips are not a bad thing Noel in fact made a small business as Turbonoz on E-bay for years selling exactly them and still does ( in different names), of course everyone has an opinion and maybe as Zedworld we did at least 300 chip upgrades I can say that the amount that were not happy I can count on one hand. But then of course the new players that have come on the scene in recent year need a benchmark to sell their products from then I am happy to be that benchmark, let`s see how long before for the haters pitch in now

Jeff

 

Zedworld chip fitted to mine in Feb 2004 and 12 years later still going strong :dance:

Posted
thanks for your input guys the garage will try to see if any thing could be done with the chip tomorrow be for deciding which route to take

 

The chip is a standard read write eprom with a particular map on it, this can be written over if the garage has the right equipment to do live mapping make any adjustments they see fit and save it to the chip, the bonus you have is the chip will be fitted in a carrier so easy to remove and refit after any changes been made, unlike the Nissan one that is soldered directly to the board. Unlike modern cars no re-flashing can be done via the diagnostic port on a 300ZX so the ecu requires removing and chip be removed as mentioned above.

 

If not they will only be able to fit another generic chip that will most likely be the same, do you have any particular running problems that prompted you to get it checked? be careful, make sure the garage are knowledgeable about the 300zx engine and how to check basic set up`s before messing with the ecu.

 

As a guide a standard diagnostic check and set up should cost around £35 + any parts, if they charge more they are having you over.

 

Jeff

Posted

Ah ha just seen you previous thread abut you buying this car as a project :

 

its was a project from last owner its all been put back together with few upgraded parts all which need a set up

 

With so many unknowns then, the tune is the last thing to get into with out checking for boost leaks, throttle balance checks, timing checks, injector size fitted, tps set up, spark plugs fitted and boost levels. This is essential to be sorted before anything else can be started on, no wonder they said there was problems with the mapping if it is another person`s unfinished build project!

 

Jeff

Posted

Hey I've got a turbo noz chip for an auto if you want it.. It's an antique according to noel but might be worth a try.. You can have it cheap as chips (pardon the pun)

Posted

thanks jeff will get the garage to take a look again car went in for fuel pressure regulator n boost control set up after few runs he set the fuel pressure than he did a power run 270bhp with out the boost controller. what do you guys think I should get with my set up zed world chip / 3" straight through exhaust / twin air filter /front mounted intercooler/custom oil cooler/440 injectors/lighter pulley/walbro fuel pump/ hard pipping /vacuum deleted/ uprated paddle clutch/ hks boost control

Posted
thanks jeff will get the garage to take a look again car went in for fuel pressure regulator n boost control set up after few runs he set the fuel pressure than he did a power run 270bhp with out the boost controller. what do you guys think I should get with my set up zed world chip / 3" straight through exhaust / twin air filter /front mounted intercooler/custom oil cooler/440 injectors/lighter pulley/walbro fuel pump/ hard pipping /vacuum deleted/ uprated paddle clutch/ hks boost control

 

Ok as we now know the full spec I can see you mention the injectors are 440cc, may as well stop right there as we never sold any chips created for 440cc injectors, given that it is likely set for standard one`s there is your over fuelling issue right there, however if the chip is set for 440cc injectors then it will not be a Zedworld one or has been modified by someone.

 

When connected to a ConZult or similar diagnostic you can easily see what the injector size the map is for by clicking on the GLOBAL tab as in the image below, I would suggest this is the first thing that is checked because if this is wrong your wasting time and money.

 

Jeff

 

mapp.jpg

Posted (edited)

Regarding changing to a Walbro fuel pump, I was of the opinion that the OEM Nissan one (if working correctly) can fuel a tuned Z up to 600-700 bhp and you're just wasting money buying uprated ones??. That's if your 25 year old pump is working fine. I may be wrong though, but you're as well off replacing with OEM as there's little difference in performance gains for the majority of Z owners?? Also, why do you want a front mount intercooler?? There's plenty of aftermarket side mounts that would be a lot less hassle etc. I think you're running into this before you can walk, so to speak. Get your car up and running reliably and do some research mate, before you go spending money on bits that might not necessarily help the tuning of your car:thumbup1:

Edited by Richie K
Posted
Ok as we now know the full spec I can see you mention the injectors are 440cc, may as well stop right there as we never sold any chips created for 440cc injectors, given that it is likely set for standard one`s there is your over fuelling issue right there, however if the chip is set for 440cc injectors then it will not be a Zedworld one or has been modified by someone.

 

When connected to a ConZult or similar diagnostic you can easily see what the injector size the map is for by clicking on the GLOBAL tab as in the image below, I would suggest this is the first thing that is checked because if this is wrong your wasting time and money.

 

Jeff

 

[ATTACH=CONFIG]93767[/ATTACH]

 

Hi Jeff, I think that's his wishlist of parts and not necessarily what he has on the car mate:thumbup1:

Posted

Probably when you said 'what do you guys think I should get'. It's easy to skim through text sometimes, so he's probably not read the full sentence right that's all mate. Good luck with this btw.

Membership No 0780

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Datascan, Conzult, ECUTalk and a few others

I have all the rare bits you can't find :tongue::tongue:

 

Posted
thanks jeff will get the garage to take a look again car went in for fuel pressure regulator n boost control set up after few runs he set the fuel pressure than he did a power run 270bhp with out the boost controller. what do you guys think I should get with my set up zed world chip / 3" straight through exhaust / twin air filter /front mounted intercooler/custom oil cooler/440 injectors/lighter pulley/walbro fuel pump/ hard pipping /vacuum deleted/ uprated paddle clutch/ hks boost control

 

What makes you think that I don't have the parts put on my car and it's a wish list

 

Sorry Aly, I thought you were asking what you should get with your setup Zedworld chip and then you were asking about getting the other bits to go with it, Apologies for the misunderstanding:thumbup1:

Posted
Probably when you said 'what do you guys think I should get'. It's easy to skim through text sometimes, so he's probably not read the full sentence right that's all mate. Good luck with this btw.

Yeah he was talking about what bhp he would get not which parts to get.

Posted
[ATTACH=CONFIG]93771[/ATTACH]

 

[ATTACH=CONFIG]93768[/ATTACH]

 

[ATTACH=CONFIG]93769[/ATTACH]

 

[ATTACH=CONFIG]93770[/ATTACH]

Surely the bumper doesn't fit over that intercooler? Did you have to cut alot off it?

Posted

Reading it here on the phone, your comment makes perfect sense and you were asking about what power you'd get but on the computer it came across as what parts should you add to the Zed world chip:confused1:, got a lot on my mind at the moment so don't mind me:surrender::surrender:

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