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N/a with turbo question

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1992_Talon_tsi

10+ Year Contributor
384
2
Dec 20, 2009
MIAMI, Florida
Ok guys i wanted to know what would be a good place too keep my boost between driving and open WOT time? I have a 92 talon n/t converted to turbo so it has a N/A engine and i know my high compression pistons hate boost but what would the limit be? Basic fuel mods: 625cc injectors and a MFPR at 43.5psi, Bolt on: PORTED EVO B16G, 3" EXHAUST, NGR BOV, HKS FMIC and a Maf-t! Yes im running a turbo eprom ECU and ill be getting a logger! Since i have a juicy fuel setup i wanted to know where im standing at right now!
 
No fuel pump ? No tuning device ? Wideband ?

Walbro 190 on its way, dont want to hurt my fuel when DD, as now only have a Maf-t latest version wuitch actually lets me tune the fuel trims, and like i said ill be getting a logger in a few weeks but cant wait, and yea i wont be stepping on it until i get those stuff of course, but i want to know where im i standing as now?
 
Walbro 190 on its way, dont want to hurt my fuel when DD, as now only have a Maf-t latest version wuitch actually lets me tune the fuel trims, and like i said ill be getting a logger in a few weeks but cant wait, and yea i wont be stepping on it until i get those stuff of course, but i want to know where im i standing as now?

I have been advised to keep the boost below 15psi on my 14b for mine. This is from a guy in Northern Indiana that ran his this way until he rebuilt the motor with the proper pistons.

I am sure they can take more boost, but it will shorten the life of the ring landings.

I have been running mine @ 12psi for a year now, no detonation (running 93 octane only) or oil burning issue on this 150k mile motor.
 
I have been advised to keep the boost below 15psi on my 14b for mine. This is from a guy in Northern Indiana that ran his this way until he rebuilt the motor with the proper pistons.

I am sure they can take more boost, but it will shorten the life of the ring landings.

I have been running mine @ 12psi for a year now, no detonation (running 93 octane only) or oil burning issue on this 150k mile motor.

Wow not bad, i did the baddest mistake ever i start doing pulls at 20mph with my friend on his subaru at 12psi on 240cc injectors and it run so dam hard he beat me by half a fender and i even had the N/A ECU, no sign of knocks and dint blow anything of course running on 93oct, i wonder why nothing blew man because thats a disaster right there. Anyways i corrected things before something went wrong, Know with this setup im sure i should be able to at least pull a car on him, btw whats your fuel setup? and you driving an awd with a n/t motor?
 
Wow not bad, i did the baddest mistake ever i start doing pulls at 20mph with my friend on his subaru at 12psi on 240cc injectors and it run so dam hard he beat me by half a fender and i even had the N/A ECU, no sign of knocks and dint blow anything of course running on 93oct, i wonder why nothing blew man because thats a disaster right there. Anyways i corrected things before something went wrong, Know with this setup im sure i should be able to at least pull a car on him, btw whats your fuel setup? and you driving an awd with a n/t motor?

Full stock setup. Basically, it is a 6-bolt NT motor out of a 92 Eclipse GS. I installed the 450cc injectors, fuel rail and FPR form the Talon TSI AWD on it, and slapped on everything else that came with the original turbo motor on it, then let 'er rip.

Though, this motor is getting ready to be removed, as I just acquired a 6-bolt with 65k original miles on it (it was a crate/replacement motor from Mitsu) from a car that was being parted out, so I will soon be turbo on a turbo motor.

Currently I am seeing about 180-185hp at the wheels with a stock/O'Reilly clutch and PP, not the best, but not too shabby for a motor with 155k and running a turbo it isn't supposed to see. Though, I know it could be better since I have not performed the boost regulator upgrade so I am sure I am maxing out at 11-12 PSI. Also, I am running the stock NT head and cams, so I know I am losing power with the cams too.
 
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