hey guys i need some help:1zhelp: i recently got a bhg,to make the story short i took out my engine and im installing all the goodies i had under my bed for when the time came:naughty:. arp head studs,arp mains,cometic mls gasket,t66,50mm wastgate,clevite bearings,big ic,lex afm,walbro 255,afpr and a whole lot more.now my question is can i safley run 15 or so psi, i know fuel cut varies but on my old worn out ct26 i was running up in the 10psi no fuel cut no prob. now with the lex maf,walbro and the afpr and stock 440s am i good at aroung 15psi, i know your thinking you spent all that money and didnt get 550cc inj but i kinda went over my budget lol so any response will be helpful thank you ans happy holidays.
sufficient fuel or not
- Thread starter boostedsupra87
- Start date
so you got a bigger turbo and not bigger injectors?
you should get a wideband then decide what the limit of your stock injectors are. you can raise the fuel cut abit by upping fuel pressure but you might as well just get the bigger injectors
you should get a wideband then decide what the limit of your stock injectors are. you can raise the fuel cut abit by upping fuel pressure but you might as well just get the bigger injectors
ok thanks mean while im goin to have to do with upping a couple psi on the regulater. how many more psi u recommend raising itRockPaperSwoRD;1475860 said:
dumbo;1475884 said:
so just get a wide band and turn up boost to were air fuel ratios are safe untill upgrading to 550s
Poodles;1475891 said:
Wise words right here. ^
You should use one of the online duty cycle calculators to give you an idea of where you should be with your 440's. You'll be surprised as to where the safety zone is as opposed to where others will randomly throw out numbers...
Also, remember that your injectors are how old...?
You would be safer running the stock AFM than the lexus AFM until you get 550cc injectors.
Don't mess with your fuel pressure. Leave it set to the TSRM spec and let your regulator do it's job.
CajunKenny;1475905 said:Wise words right here. ^
You should use one of the online duty cycle calculators to give you an idea of where you should be with your 440's. You'll be surprised as to where the safety zone is as opposed to where others will randomly throw out numbers...
Also, remember that your injectors are how old...?
You would be safer running the stock AFM than the lexus AFM until you get 550cc injectors.
Don't mess with your fuel pressure. Leave it set to the TSRM spec and let your regulator do it's job.
thank you will do, calculater said ill be good at 309hp with the 440,gonna have to wait till after xmas for the 550s :3d_frown: lol
If you bump the base pressure keep in mind it's global so will be xx% richer EVERYWHERE not just on the top end....
get the 550's.
get the 550's.
IJ.;1475950 said:
yea thanks for the advise im goin to keep it at base spec as per tsrm 41 or so for now till the 550s come in to the picture
