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dyno tuning


intern8tion9l

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Posted

i was wondering if its possible to dyno tune these engines for a/f. i know some cars require crazy modifier things in order for you to be able to change the a/f, and i was hoping these aren't the same way. an insight would be appreciated

Guest TurboSedan
Posted
i was wondering if its possible to dyno tune these engines for a/f. i know some cars require crazy modifier things in order for you to be able to change the a/f, and i was hoping these aren't the same way. an insight would be appreciated

 

you would need WB02, a laptop running datalogging software, and an eprom burner to make changes to the chip.

Posted

most Dyno's have wide-band O2's and log everything including A/F ratios.

 

Yes, you can tune these, but you will need some aftermarket device to make it happen, either burning your own chip, or using an aftermarket a/f modifier like an SAFC or something.

 

--Dave.

Guest TurboSedan
Posted
most Dyno's have wide-band O2's and log everything including A/F ratios.

 

Yes, you can tune these, but you will need some aftermarket device to make it happen, either burning your own chip, or using an aftermarket a/f modifier like an SAFC or something.

 

--Dave.

 

that is true, but it would be so much nicer to have your own WB setup & a datalogger in the car so you'd know what's happening when the car is being driven. the dynos i've been to didn't do any datalogging, only A/F monitoring.

 

you may also want to look into a adjustable fuel pressure regulator. if you're not going to boost it you probably wouldn't need a rising rate regulator aka FMU.

Posted

hey, I didn't even think about an adjustable pressure regulator... that'd be perfect!

 

the dyno's that I've worked with don't datalog everything in the motor, but they'll watch RPM vs. A/F ratios so it's moderiate logging.

 

--Dave.

Posted

what do you have for mods on your car?

 

(just wondering why you want a dyno tune)

 

Shawn

Posted

Pretty sure he swapped(or is swapping?) a TGP engine/setup into his Cutlass.

Posted

yeah i've got the 3.1 turbo out of a TGP. it is chipped with a bunch of other stuff too(i'll give everyone pics and mod list when its complete). just was wondering how beneficial a tune would be and also if its really needed

Posted

Dyno tuning a performance engine like that is certinally needed. Period. you start modifying an engine, you'll want to make sure your a/f ratios, and timing events work well together so you don't end up burning down pistons or watching rods misplace themselves into the block.

 

--Dave.

Posted

well i'd def like to tune it, but if i have to get a whole lot of expensive crap chances are it'll have to wait unfortunately

Posted

I'm sure you can go out there, get a baseline run so you can at least see what your current settings are, and then work with someone who burns chips to see what you can come up with.

 

if may not be as expensive as you're thinking, just way more time consuming.

 

--Dave.

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