Thread: SR20 strange behavior + video!

I hated myself in days after I installed the thermoblok spacers back in the time. An absolute pain in the a$$ it is when you own a lowport SR20.
Today I sort of repeated the procedure... The reason was I wanted to double check if I installed the injectors right. Well, I guess I must had done it since nothing changed after I put everything back together and started the engine. Last night I though I will put 370cc injectors which I happened to find very cheap. But today I just take the fuel rail off and unplugged all injectors to check their o-rings and everything.
Anyway, the problem I have is not related to the injectors at all. It has also nothing to do with leaks since I got through everything once again and if there was something, I would have seen it.

I found my injectors a bit different than most I've seen before. They still have the Nissan logo, but they are not Jecs (made in Japan) as the 370cc ones i found:

I think they are different brand because it was made in UK.

Yeah the UK DEs have different injectors than the Japan ones i have noticed it in my car too when i replaced the jdm de with the uk de.
The injectors where different and just like the ones you show in the picture just different color, red ones.

Go for a scale of your car after fixing the issue on a good quality weighing software

Do you think that whoever put in the s4 cams might have not lined the timing marks on the timing chain correctly and therefore it is giving the ecu crazy signals when in closed loop? Dizzy 180 degrees out? Just throwing ideas around. Maybe it will jog somebodys memory.

...

It is actually me who installed the cams and I confirm I dropped them the right way in.
I sort of kept this thread not updated for a reason. Few weeks ago I run one of the Power Balance Tests (with a program called DDLReader). It shows different values although my head/block are in great condition (subject to previous tests stated in this thread already). And as far as I read the forums, I ended up doubting my injectors are good. Yes, I have tested them and so on, but still, I decided to give that idea a shot. I am currently waiting on a 370cc injectors I ordered while ago. This should help, I hope. Will let you know anyway.
Here is a recent video I made. Engine sounds and pulls good I think, although plenty of room to improve. Note that the car weights with me and some fuel 3000+ lbs..
YouTube - Nissan Primera 2.0eGT (60kmh - 140kmh acceleration)

It is not the injectors as well.
Put a set of almost brand new 370cc and the problem is still there...