Turbo 2jz Is300 fuel pressure regulator (the easy/cheap way) 

That info is in the video. It shows every detail

@@MrPhukyew sorry Havent taken my fuel pump assembly out of the car yet I was just unsure of the return line off the barb to the siphon mech .. Hopefully soon waiting on my injectors 👍🏼

Correct me if I’m wrong the new return hose connects to original line where the stock FPR connects to

Gonna take a guess here and just say any of the intake manifold vacuum lines

Yes

You may have a weak fuel pump

Which hose? Video explains it pretty well, if I were you I would give the video a second listen.

5/16"

Is the only line running onto the siphon, the one that is on the added fitting on the lid?

@@SteezySlides14 I don't remember if it's in this video or if it's in a different one but I made a video about the fuel system and covered that part in the video.

A generic 255lph pump

@@MrPhukyew thank you, I showed my mentor who runs a speed shop, and he loves what you've done with the parts you used. 💪

@@MrPhukyew one last question, what size turbo? Your link doesn't work.

@@kkellerk23 the smallest t4 I could find which ended up being a 60mm Chinese Choo Choo. With a 3" vband out on the hot side.

@@kkellerk23 www.ebay.com/itm/155065565061?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=5Bq9LY9rRdm&sssrc=2349624&ssuid=vpI-nDjHR6u&var=&widget_ver=artemis&media=COPY

It will as long as you follow all the other instruction about the maf housing and injectors. But it's really hard to maintain 6 PSI on these cars because you need a lot of wastegate to keep a turbo that low especially on an automatic. On the last one I built I chopped off the wastegate flange that came on the manifold and I welded on a 60 mm v band style wastegate and now that car maintains as low as 5 PSI if I want it to. On the 4-bolt wastegate that's supposed to go on that manifold you will get pretty bad boost creep.

Thanks alot your videos give tons of info I been doing tons of research so I don't run into issues, I'll run a bigger maf with the green top injectors, tial 6-8 psi wastegate with boost controller etc, I noticed on the is300 it's basically a straight pipe system compared to the sc300 or gs300 that are really restrictive 2 mufflers 2 cats and resignators. Now the only thing is the fuel pump lph etc people on forums give mixed advice some say bypass the fuel pump ecu that cuts fuel or give more for start ups and run it stock on low boost but I see tons folks running their own aftermarket fpr return systems..

I seen in a forum if you run your wastegate vacuum to your turbo instead of the intake manifold you'll see a 2-3 psi drop in boost, it made sense to me another guy said he was getting low boost from a Chinese wastegate that leaks a little but I definitely don't want boost leaks issues.

@@trilliamogdlocog4986 I've never had leaking wastegates issues but I've had the diaphragm in the wastegates go bad a couple times. And yes the 2-3psi drop is because of the restriction of the intercooler. Supplying the boost to the wastegates from throttle body means your referencing boost after all restriction. Means the springs are gonna open at x amount of pressure no matter what so if you hook up boost gauge to the same place as wastegates you will always get the same reading. A wastegates set up for 8psi will open at 8psi. If your boost gauge is hooked up on intake manifold and your wastegates are hooked up before intercooler then your gonna get 6psi boost at the manifold. Every setup is different and user preference and turbo size and many other things can really contribute to how that should be hooked up.

@@MrPhukyew I see what you mean I was gonna either do the ebay " fast way racer turbo kit" for our cars and tweek some things or a cx racing kit some simplicity, I'll definitely be looking out for boost creep I was gonna try to piece together a similar setup you've shown previously but the links didn't go threw on some items.

What injectors did you use?

stock injectors with FPR and return as I've seen many people do it that way for sub-9psi boost. The fact that it can deliver adequate AFR's at higher revs tells me it's probably not injector maxing out

@@BruceBalistreri you need the bigger injectors like I specified on the first video. I used 312cc non turbo supra injectors from 89-92 (greentops). They are direct fit and work good with the bigger maf housing

@@MrPhukyew although you may be right, i'm going to see if i can get the performance i want out of what i have. worst case scenario, i fry them.. you were right.. and i get the green tops :P

@@BruceBalistreri worst case scenario you damaged Pistons from going to lean under boost. Stock injectors are not going to give you enough fuel for anything over 3 or 4 PSI Max. And that would be with you at 60 PSI fuel pressure