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Is AFM worth $500 depends on where and how you drive. Highway gonna save 10%-20% even more if you know how to utlise it. Thats between a year or two stright up ROI on Highway, longer if combined or urban. The other thing to consider although nobody here mentions it is the carbon emissions...

Hhaha SAE discussion I knows that old chestnut. it was the fact he said was hard coded lead me to believe he couldnt see the checkbox else was greyed out. I know LT4 OS has AFM as an option in EFIlive.

maybe the same guy who doesn’t know which cylinders deactivate didn’t realise the stock tune was actually activated and the flashed tune isn’t?

That all ya got? Seriously! I have no beef with you apart from you getting stuck in when a member is down, calling names etc., poor form mate. That is all ya name-calling old Captiva driver!

^^ Lesson in self-importance from the guy who tells all about his expensive car collection and uses an extra 10 lines of nothing, literally spaced by adding a full stop after a dozen carriage returns each post. So your beef is that you, persoanlly are duty-bound to uphold a forum ruling from six...

usually a telltale that vehicle has been returned to stock after being modified. free checkup with elmo is worth the drive

thanks for that. just to clarify all LT4 engines come with AFM and VVT, not all operating systems have it activated, notably manual cars...

Bravo elmo, that’s the positive spirit I am talking about! :)

PM me. Not typically done in a manual. is about same cost as cam swap plus replace water pump, serpentine belt and timing cover, install VVT actuator bits, cam to suit. Patch into ECU and activate in tune. $5k will cover it.

Holden minimum $500. EFI tuner same but from then on you have a licenced “seat” so future tweaks or tunes are marginal. Hardly any auto elec. would have the expertise.

Haha yep is me who has the problem :rolleyes: let’s recap... member posts pic of car wheel in support of editorial that happens to be of banned member, old ladies committtee scream it must be PIR4TE himself! Gets the new member (who has more positive technical contribution posts than all of you...

Likely turned off at the main (checkbox) so yeah easy to tick that box again. however some idiots disable by zeroing out tables and changing parameters in which vase you need to reflash the stock tune or something like it. Cost is same if going back to stock or tuner has AFM performance flash...

Geezus before the GenV when Dirk did his first build you were asking same thing, now LT1 and LT4 have proven efficiencies and performance using exactly same AFM and VVT you are still in wonderment, discrediting the benefits versus... twin cam VVT? OK, goodo, you’ve made that fantastic point that...

What do you mean you can’t see? The benefit is less compression than expansion or max (over) expansion of the power stroke. Of course you can’t see that. Plenty if models available to help you get your head around it though. Check out the PIR4TE video about what it is and how it works on...

Do you have a link?

the Regera uses hybrid stall and TTV8 on Miller cycle (Prius VVT supercharged) to get instant torque and miserly consumption. Basically always in top gear. Guys here in AU have done Atkinson (Prius VVT N/A) and custom tuned trans (first gear bypass and loosened TCC) on the GenIV with stunning...

DI is a waste if money for sure, AFM will cost too much to retrofit to an LS3, however VVT is possibly the best upgrade you can do for performance, efficiency, consumption, and emissions proofing your build.

yes if is an auto seems disabled. find out who tehy went through and only a token gesture of few bucks to turn it back on.

Stock LT1 gets 27 MPG combined (8.7l/100k) combined, down to 5.5l/100k on highway in the Stingray. Essentially is AFM and VVT. There are plenty of well documented low consumption / high output videos available, Gen IV with AFM and VVT can go as low as 3l/100k highway using cooled EGR method...

I don’t know how to answer that briefly, L77 is not an LS2 particularly the heads which what the OP is talking about, ethanol has nothing to do with it, L77 and L99 and LS3 share same heads, all VVT single bolt cam core. Anyway what you do to L76, L77, L99 or LS3 or LS7 is exactly the same for...

yes, been done successfully by PIR4TE, full write up on FaceBook.

YOU sir, are obsessed. get a life and post something that contributes rather than Deputy Dog, eh?