anybody running PE 1420 turbos ?

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August 18, 201511 yr

hi all as you know my car is curently with Jimmer ( top Bloke ) unfortunately the drivers tub has thrown the bearings and we are wondering if anyone else on here has had issues with them..we have tried to get it repaired and kits are just not available it went to AET but they had no luck finding spares...i have been told the oil feed line ( flexis it comes with ) have restrictors fitted in them so all other restrictors need to be removed or if hard lines are used then the restrictors need to be enlarged , can anyone throw any light on this ???

cheers

steve

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August 18, 201511 yr

Last time I looked, Power Enterprise weren't interested in rebuilding them, and everything is custom so they're a no-go, really.

Did the turbo company shed any light as to why exactly the bearings failed? Too much oil pressure, not enough oil pressure, contaminants etc?

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August 18, 201511 yr

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could be contaminants from the failed build by zedworld but cant say for sure....waiting to hear from Jim what AET say

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Project Black Sunshine - The 300bhp NA

Thanks protoj, quality aftermarket headers for the NA are nonexistent these days. TDI has offered to do the math to determine ideal pipe lengths and a better collector and then fabricate on site. I’m looking at options for the back half, the HKS Hyper looks the most promising but a custom valved set up may be the way to go.

By madmarco · 51 minutes ago51 min
Project Black Sunshine - The 300bhp NA

Great post! Very interesting. So I've been dealing with similar concerns on my build as well before I decided to tear things down and make some changes. I have also been in talks with a local performance custom exhaust builder and discussed with him my concerns with the typical aftermarket header setups available for these cars. Is the same shop going to do the research for you or are you taking it to another company? I would be interested in testing some stuff as well or can provide further data if necessary for my race car NA 300ZX slicktop. Our projected power ceilings are not so dissimilar. My machinist shop and I are currently still in the build phase for the new setup.

By protoj · 15 hours ago15 hr
New member (UK)

You’ll likely find the cabling around the knock sensor rather than the sensor itself is faulty. If I remember correctly the stock knock sensor is only activate in a certain portion of the rev range, ironically not at the most dangerous point. Basically it’s pretty crude. I deleted mine and fitted a resistor to mimic its function, very common modification.

By Stephen · 17 hours ago17 hr
My daughter calls it Toothless the Dragon: My ‘95 TT Z

What a journey it’s been. Yesterday, 4 years and 362 days since the terminal engine failure of my EPR “built” VG30DETT, my Z was back on the dyno.
I’m happy to report the engine that I specced, prepped and assembled survived and took everything that was thrown at it, with oil pressure being reported as “fantastic”. For a “hobbyist” I should be proud.

But I didn’t get the dump of dopamine I was expecting at the conclusion of the day, that rush of “I did it”. Instead I got the cold sweat of dread when Romain of RaceCal Ltd came off the dyno to debrief me. Fundamentally, everything is fine and the Z has a solid tune, but not without issue…. and I think it’s that very BUT that has taken the sheen off was a good day.

Firstly, the engine has a fuelling imbalance between banks that shifts dependant on load. I have a vague recollection that I’ve had this problem before and never got to the bottom of it.
That in combination with an issue with one of the hub dyno’s having a peculiar loading issue, brought about the conclusion of the day in the interests of safety. And I’m completely content with that decision!

A few other minor issues including a small oil leak that needs to be found as well as the curse of the ATi damper PS belt issue, meaning a 85 mile drive home with no PS.

I think the final factor in my overall post dyno emotions are that I thought i had everything in place to get the optimum output for this setup….. and I don’t. I need to invest time in making proper intercooler ducting to get that IAT recovery and efficiency to be able to make back to back runs. I need to add a second fuel pump to give me more head room to allow the potential maximise the 2860 turbos. I need to find the cause of this imbalance to remove any risk of misfuelling so that tune can be absolutely bang on to really optimise this setup. So, the journey isn’t over yet….. more work, more learning, more money 😂😂😂.

Just a quick one to say thanks. Thanks to Romain of RaceCal Ltd for his time, for his ability to recognise my level of understanding and communicate to me where I can solve issues and make improvements. I look forward to working with you again! #vg30dett #z32 #300zx

(And depending on your chosen calculation, that’s 640 hp and 550 lbs ft at the flywheel, roughly)

By nickz32 · 18 hours ago18 hr
Project Black Sunshine - The 300bhp NA

Well done mate. 40hp gain on an NA is no joke!

By nickz32 · 18 hours ago18 hr

anybody running PE 1420 turbos ?

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