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I want 500bhp at the fly as i think thats a good enough target for me ( atm ) , im going to order a few bits from z1 in january and i was hoping if this will get me to my target.

 

Engine spec now :

 

Blitz induction kit

Baileys dumpvalves

custom forged pistons

custom forged rods

Apexi Avcr

custom exhaust

zedworld chipped ECU

racing clutch capable of 450 bhp+

 

What i will buy from z1 :

 

GT600R Turbo Kit

Nismo 555 injectors

Sidemount intercoolers

Z1 5 bolt downpipes

coilcovers

 

 

the thing is im not sure if i also need the camshafts for that figure, any help would be appreciated.

 

cheers jo

Featured Replies

I want 500bhp at the fly as i think thats a good enough target for me ( atm ) , im going to order a few bits from z1 in january and i was hoping if this will get me to my target.

 

Engine spec now :

 

Blitz induction kit

Baileys dumpvalves

custom forged pistons

custom forged rods

Apexi Avcr

custom exhaust

zedworld chipped ECU

racing clutch capable of 450 bhp+

 

What i will buy from z1 :

 

GT600R Turbo Kit

Nismo 555 injectors

Sidemount intercoolers

Z1 5 bolt downpipes

coilcovers

 

 

the thing is im not sure if i also need the camshafts for that figure, any help would be appreciated.

 

cheers jo

 

dont forget to allow money for better brakes to stop it and uprated cooling system would be nice too:wink:

  • Author

i've already got 8 pot ksport brakes at the front and im going to buy for the rear aswell but first i want to buy those things off my list. concerning the clutch yeah it did but tbh i think i would need to uprate that aswell just saw this one -> RPS Twinturbo MAX Street Clutch and think i might go for that too, thanks mikey and znut yup i will but i was just wondering if the main parts were okay for a good safe 500 bhp at the fly mate. thanks alot for the quick replies guys :cool3:

I want 500bhp at the fly as i think thats a good enough target for me ( atm ) , im going to order a few bits from z1 in january and i was hoping if this will get me to my target.

 

Engine spec now :

 

Blitz induction kit

Baileys dumpvalves

custom forged pistons

custom forged rods

Apexi Avcr

custom exhaust

zedworld chipped ECU

racing clutch capable of 450 bhp+

 

What i will buy from z1 :

 

GT600R Turbo Kit

Nismo 555 injectors

Sidemount intercoolers

Z1 5 bolt downpipes

coilcovers

 

 

the thing is im not sure if i also need the camshafts for that figure, any help would be appreciated.

 

cheers jo

 

Id add manifolds,portwork,lightened flywheel too onto your list.you should see 500 easy with that lot,some cams would give you some more on top if you wanted.

  • Author

the brakes is definately a must for the zx even if its a stock car imho , major difference with the front brakes already but for this power i know ill need the rear too , that will be mostly towards the end though. im going to strip the engine again beginning of january and change a few things to new OEM, give it a good clean , fit the parts that i mentioned , also the cooling system and maybe the clutch then put it back together and ill see how that goes after SRR if im not happy with the results then i definately gotta go down that route jimmer ( manifolds,portwork and lightned flywheel) .

 

the 300zx really does surprise me with a few simple things , i imagine the kind of power it will have just with those things, cant wait to get started ! :D

sorry for the hijack here but would anybody guess what bhp i might get from this?

full stainless system with de-cats

boost jets

cone filter

mapped ecu

light weight racing flywheel

acl raceline engine bearings

 

350bhp.

Pixas, thats pretty much the spec ive got on mine.

 

Boosting at 17psi (tubs are good for 22psi btw) i made 433fwhp but i'm still running a "run-in" map from Mr Dixon.

i wanted to try for 400. lol. wonder what else i should get?

 

New tubs, 555's and appropriate chip is all thats needed for 400bhp.

  • Author

shrek just seen your spec its very good and similar with what i want with mine, not meaning to sound stupid but whats a run in map? thats seems a bit low'ish for your spec?but then again if you upped to 20 psi im not sure what you'd get so sorry if i sound a bit dumb atm lol. mikey i also think you can get 400 bhp for a stand tub .. its been done quite often. i think with 555 injectors and chip you'd get it imo.

shrek just seen your spec its very good and similar with what i want with mine, not meaning to sound stupid but whats a run in map? thats seems a bit low'ish for your spec?but then again if you upped to 20 psi im not sure what you'd get so sorry if i sound a bit dumb atm lol.

 

I had my engine built by the man they call "Jimmer" about 3 years ago and the map that John wrote for me was just to get the engine run in. Im still trying to get back to John to get it running to what it has the potential for.

 

Im not wanting to up the boost anymore. Purely because when it hit full boost on the rollers, it was running slightly lean.

  • Author

ah alright thanks for explaining mate ,was surprised as your spec seems to be 500 + when in full potential. im going to give it a go and see what i get from it , i know theres so much things i could change to get more bhp but tbh i dont want to go down the route of changing piece by piece to aftermarket i know i dont have to do it to get the result i want. my engine is running quite strongly which tbh is quite because of the last owner of this engine , he had receipts of quite alot of money spent on it. i want to simplify things in a way without going £ crazy but i also want a good reliable engine. and thankfully im a mechanic and wont need to spend any money in labour , over 30 years of the profession so at least i know the engine wont blow up ( i hope lol !) . thanks everyone for their help, this club is def the best :D

  • Author

haha started quite young in portugal mate :p was around 11 turned 51 this year so thats actually 40 :D

  • Author

if i didnt after all these years i think id be a completely useless guy lool :D as a friend once told me quite a few years back, the basic of an engine is always there but each one has their tricks you just gotta figure them out. the only thing that i actually am useless tbh is the re-mapping stuff!lol i thought id need a remap for the zed but Jeff told me you just change the ECU and problem solved.

  • Author

Unfortunately not yet mate lol but 500 seems a good number to aim for haha :D

Be interested to know how the pistons and rods are custom mate and who did the build for you or the last owner.

 

Always good to know who does good builds and what they use :-)

cheers

smithy

  • Author

cant remember the name atm mate got the receipts at work from the last owner will say the name tomoz. If im right i think it was a company somewhere near manchester/liverpool who have a very good rep apparently ( wasnt the first time i heard of them ) and they were quite expensive too. the last owner of the engine had quite big plans for the car but unfortunately had to sell the car. He mentioned various times they are good enough for over 500bhp.

 

i would be more than happy with 500 or very close and most certainly that would be the stopping point for me ( engine tuning wise ) , as i've also got plans on buying a skyline gtr r33 very soon.

Big BHP is all well and good but can be very laggy until you hit spool up.

 

If you balance and lighten right then you are going to see some magic.

While the engine is out get it blueprinted and blanced from pulley, crank through to flywheel. Remove excess flashing from the block and water channels to improve cooling. Recon the lifters and do a nice three way valve job with a port and polish.

 

Lightweight flywheel, lightweight underdrive & pulley kit, remove viscous and change to electric & maybe even a carbon prop.

 

These small but significant changes will see that rpm needle free up drastically. 0 - 7k - 0 rpm free revving in a blink of an eye.

 

This was what was aimed for on Silverstreak. I wasn't going for big BHP at all, in fact I was aiming for around 450 but with torque and spool to match. The fact that it was pushing out over 550bhp with similar torque after the remap on 530bb tubs and nismo 555cc injectors jsut goes to show it's not all about bolting big turbos on.

  • Author

thanks mate, very valuable advice there . Coming from the person who built a zed as good as you did with yours is a massive help with what i want to reach with mine.Tbh i just want a fast spooling turbo so im not even sure if this one is the best for that still going to do some research on the turbos, im not planning on doing any track days neither if i do anything it will only be the quartermile, just want the zed for a bit of fun as a weekend toy :cool3: oh and the every summer journey to portugal lol

  • 4 weeks later...
  • Author

guys i need a little help with something please . ( again lol ) i've decided to go for 740cc injectors i think its better to go for higher injectors then having them almost maxed out or something. im getting the deatchwerks ones with the adapter kit as i've read good reviews on them. im also going for another clutch, lightened flywheel route and also the jwt cams. what i need help with is , i currently have the zedworld ecu/chip can i buy a z1 eprom chip for 740cc injectors and fit it to that ecu ? and would it be safe running my engine with that and then have it remapped afterwards? any help would be much appreciated as im starting to order parts next tuesday. Thanks in advance

 

oh and smithy the rods and pistons were custom made by noble motorsport, looked at the receipt yesterday and said to be able to handle over 500,600 +.

Agree with getting 740's mate, having looked at Z1 site they list that kit quite cheap for the 95+ add the adapter kit and price goes up. For me personally and just a tad more, the Nismo 740cc and adapter kit is my preference.

As for chips, I know when doing the various chip swaps Zedworld have done in the past, some have been supplied from the US and had a few problems with them. Again for not much more you can get a chip in the UK from DTA or possibly John Dixon and yes it can be easily swapped over with Zedworlds chip and then remap your ECU when your ready.

 

If you get the cams, you'll need the adapters and heavy duty springs for them too. However in many cases driveability can now be an issue.

For me again IMO i'd go the mild JWT cams, there is a core charge, but they are up to the job, you won't need adapters and drive fine.

 

The reason i asked about your rods and pistons was simply cos the word "custom" sadly it's often used by companies to big up what they have done and make the customer feel they have something unique.

Can you hazard a guess at the cost to manufature custom pistons and rods, some serious crazy ass money.

There are loads of companies offering forged pistons for the Zed starting at just 400 quid a full set including rings. All known brands will happily take 500-600bhp and a lot more.

You should certainly get more info on these as certain design pistons ideally would be better with N/A oil squirters rather than the TT ones and of course you need to know your bore size as a minimum.

Same goes for Rods, numerous companies make them despite the Zed ones being forged already and again at little money around 400 quid a set.

hth :-)

Cheers

smithy

  • Author

Thanks for the input mate , exactly what i needed to know , im still a ' newbie' to the zed tuning and its thanks to this forum mainly that i know about the tuning parts. I pm'ed john dixon earlier today as i would pretty much prefer to get the chip here and the remap from him. i just needed to know the best companies , ill check dta site next, thanks again for that mate. Will def have a look at the mild jwt cams.

 

I definately know what you mean about the crazy prices, the receipt for the rods and pistons plus a few other very small jobs was £5000 :scared: but i think this was because the last owner wanted a specific weight so he had to pay for that aswell. Im quite happy with how this engine is atm theres a massive difference with this engine and the last i had , pulls very strongly. At the end if im not happy with how everything went , i can always change bits here and there , just trying to get everything i need more or less as one plan . I was also looking at the AEM today and i must say im quite tempted , seems like a good thing im going to research a bit more on it .

 

Also about the nismo's i got put a bit off cause apparently people say that after a year they start failing? that did scare me =|

 

Thanks once again mate !! much appreciated : ) and ps : really off topic lol but i must say , your car is definately one of my faves ! what a beast : D

Nismo's as far as i know only failed in the US mate, that was down to an ethanol type additive in their fuel.

Never really heard of them failing in the UK and i've ran mine for about 5 years now.

 

As for the AEM a great bit of kit, fancied it myself. John Dixon as of yet doesn't map that one ( other companies do tho) John however favours the Emerald and has just designed a kit for the Zed and mapped one with great results, sure knowing John with plenty more to come. Worth considering :-)

cheers

smithy

Edited by Smithy

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