4efte with GT28R

[azerty]

up to you,
this was just my recomendations
(10° is what is written in toyota technical manual and on the sticker under your hood)
I always trust a mecanical device much better than any electronic one (especialy if there is a software on top of it).
IMO, The right way to do it is to adjust your iddle timing with timing light, then doing a proper map on a piggyback or standalone (with a software this time yes )

 

[Dan3SGTE]

Boost is not relevant, it is HP.
So what we are saying is that you must be making about 220hp+ with that turbo at 1bar
Not a good idea, these engines are soft when still stock.

Boost is relevant too as more boost is more heat and not necessarily more hp...

 

[dark_knight]

electronic vs mechanical

but azerty, the ecu is the one that controls all engine operations, so reading the parameters it's seeing would be the best way about it, would it not..? not debating that the timing light doesn't work.. just saying..

 

[azerty]

That is a point of view here indeed.
that means you trust your computer, computer connections and your software better than a simple timing light. I do not.
even the toyota ecu or its sensor could be faulty. always better to start from begining imo. when you know your timing is correct using timing light, then you can verify if your software bring same value. I wouldn't go straight on software without checking what timing light says at first.

 

[dark_knight]

i hear you. ok. can try get a timing light then will report back..

 

[weeJohn]

I have ran 14 degrees basic timing on a stock ecu, RRFPR, FCD, FMIC and TD04, it gave some extra mid range punch to the engine, no det (98 Ron fuel) and no heating issues.