240SX Problems

[PSiedTSi]

i bought it from NY

[thezachattack240]

ic...well send me a pm and see if we can arrange something.

[PSiedTSi]

ok i found a gasket in town...(unless someone has a T25 flange gasket laying around they dont need)...does someone wanna put it in for me? i am feeling pretty lazy...GSR where you at...?

[24valvenotak]

^ Sally! ^

[Phats]

i'm sorry i should pay more attention to this forum....yeah we just swapped a sr into a 89 fastback, and one of the guys has a red top in a 92 coupe and the silvia front end
if you still need it i'll be back in town today, i'll check back b-4 i head down, i've got the sr service manual, so that'll help us with the timimg.

[PSiedTSi]

its at SLS right now actually...you can stop there and take a look if you please

[Phats]

oh, well i'm sure it's in good hands either way, just trying to ehelp, i may go check it out, but it looks llike i'll get there kinda late.

[PSiedTSi]

ok update..
Gasket is fixed and it actually sounds normal...a regular DSM T25 gasket wouldnt work but got a 300zx gasket...

I just timed the motor, put new plugs in it(might be one range too hot?), and installed a walbro 255lph HP pump(yeah i dont like S14s anymore)...

when I go WOT it stutters at around 5k...it sounds like its popping and shit...no knock or anything...I also just noticed today that when I am at WOT it only says 69-70% on the AFC...i checked out the injectors to make sure they were still all good...it has the Z32 maf and stock unchipped ECU...i know thats a problem but it still should be good once i get above 2k or so...help me out...

[Phats]

Make sure that that maf, is wired right, same wioth the afc, the obvious would be to say tps, but ........yeah

[PSiedTSi]

well i just took it out again after double checking the timing and it pulled a shitload better but it still liked to pop at 6500 in any gear...i think im gonna look at the timing again just to make sure its exact...this time i did see 75% from the TPS so idk...

[Phats]

Oh... if you think your TPS is messed. Just unplug it and drive the car will run fine, but a bit richer if the problem is the same. could very much so be the TPS.

If you unplug the TPS and you get a rough/worse idle and a bit more hesitation all round or a tiny lack of power all round then the TPS is not the problem

[PSiedTSi]

with that being said it could be a dead spot and not completely bad...cause like i said it reads up to 75% or so...

[PSiedTSi]

just did the sweep and i got from .23V to 3.84V...sounds bad to me...

[Phats]

yeah....no good

[PSiedTSi]

ok well it was just out of adjustment...so i adjusted it and it still pops at 6500...god im really pissed now...the timing wouldnt have changed would it?

[PSiedTSi]

anybody? theres a few SR20 guys on here now...help a friend out...

[PSiedTSi]

just checked my plugs again and they are fouled out...wtf...maybe there are 550s in there instead of the 370's...I need to get this SOB on a WB...im seriously stumped...

[KA-T_240]

get your injectors flow tested, then you could find out what they are

[btleier]

I don't think there is anywhere around here you can have your injectors flow tested at.... anyone wanna chime in on this?

[PSiedTSi]

you have to send em in...