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wow, this thread is full of good information, it should be stickied or something. now, what if you want to make a 600rwhp+ 7mgte, what kind of piston/rod/bearing/whatelse would you need to get. Also, would the instruction mentionned by hyvman still apply or would there be new stuff?

what is the vacuum at idle?

In my case, when I went 550/lex maf, my mpg went down the drain. but that,s probably my right foot loving the 57trim @ 16psi. Wish I could see on the highway what,s going on

exactly, if his WOT is fine and the ecu doesn't use it over 70%load, it would affect idle and partial load afr but not WOT. wasn't I clear?

o2 sensor getting old maybe?

is the iscv in good working order? what is VAC at 1000rpm, at idle (before it die) what about the timing?

we can,t say anything. no picture, no detail, no list or explanation...

my factory HG is now at 257000km, never overheated. boosting 18psi daily on a 57trim, no prob but I put proper torque on the head bolts. I think that's what saving it

11 to 11.5 is the acceptable range for WOT under boost

so if your wastegate isn't opening fast enough or wide enough to limit the flow, you won't be able to fix that by restricting the vacuum late and making it operate even later

our cluster use a pulse based sender for the oil pressure... it's kind of ahead of it,s time

it's trying to obtain the same amount of fuel pressure in the rail but you're removing that pressure faster because of the larger nozzle IIRC. Still running below 10:1 with a 57m trim and 550cc, lex maf and stock FP

stock fuel pump is able to run 550cc properly, it won't last tho

using a OEM stock head gasket with proper torque on the bolts is a convinience more than anything, it will hold 350rwhp and maybe outperform that. but one single detonation and it's done. you will sleep well better at night if you get yourself a MHG and prep the engine properly

4.4k for the car 1.3k bodyshop 2k on aftermarkets replacement parts a lot on fuel. It's only been a year and im a fulltime student

shows that a OEM HG with properly torqued heab bolts can withstand 17 psi on a 57mm trim with 550c/lexmaf and sometime overboost to 20 with no sign of bhg. While a poorly prepped mhg won't

yes, its a MAF car...

2jz 2000gt mhhh

with that piggy you will only be able to tune your WOT afr, otherwise the stock ecu will simply change its VF and I wouldn't trust that FPR

.9bar for stock cap 1.3bar for mishi cap yes the outlet inlet are a bit smaller on the mishi