Unsure of tuners tunning. Look at files pls!!
12-04-2014, 09:31 PM
#1
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Unsure of tuners tunning. Look at files pls!! I'v been working on a tune with a "Paid" tuner whom is nameless.
In any case this car is fighting, I don't get it's qualm, hired a tuner whom I'm not sure is really doing his job. He's basically been scaling injectors back, but data I paid lots for is er well differnet. Car was bought used had these injectors, I'm wondering if theyre modified. Rename the scantool.cfg.txt to .cfg I'm using hptuners.
Car is being a PITA: I gave up hired someone and now nothing much changes..just same issues: Goes Pig Rich, at 3000 rpm when PE comes in (he changed that it usually 5k). Stalls rolling to a stop (put car in neutral at 30, roll to stop dies), this is worse when warm, drives fine partial and regular cruising zones, try and step on it... pukes on itself badly. Quick stabs tick it off as well;
Turns, on idles ok warms up starts to idle crumby. Have a long log attached of stead states, and some wots;
Dual WB02's so one is doing lambda, banish style other is in AFR
Codes are not telling me much, ac code (ok buyin it) cam position sensor lo/hi (replaced sensor twice 3 sensors total, changed timing set even) tested wires no issue there. Codes are also intermittent so I disabled them.
Cars a big bolt on queen.. Dunno how much is relevant, it's blueprint/balanced: It's got a TwinDisc Exedy, Jegs UD pulley, Overdrive pulley on a new alternator, was built to be backed with an sts kit, and pass CA Smog; Right now trying to tune it, with kit off just a stock ls6 with big injectors/fuel and supporting cast.
2003 Z06, stock cam, Upgraded valve train (stock sizes, stock valves in head), SD60# injectors, Racetronix Pump, Forged 347 (3.905 clean up bore -4cc reliefs wiseco piston) else all the stock dimensions.
In any case this car is fighting, I don't get it's qualm, hired a tuner whom I'm not sure is really doing his job. He's basically been scaling injectors back, but data I paid lots for is er well differnet. Car was bought used had these injectors, I'm wondering if theyre modified. Rename the scantool.cfg.txt to .cfg I'm using hptuners.
Car is being a PITA: I gave up hired someone and now nothing much changes..just same issues: Goes Pig Rich, at 3000 rpm when PE comes in (he changed that it usually 5k). Stalls rolling to a stop (put car in neutral at 30, roll to stop dies), this is worse when warm, drives fine partial and regular cruising zones, try and step on it... pukes on itself badly. Quick stabs tick it off as well;
Turns, on idles ok warms up starts to idle crumby. Have a long log attached of stead states, and some wots;
Dual WB02's so one is doing lambda, banish style other is in AFR
Codes are not telling me much, ac code (ok buyin it) cam position sensor lo/hi (replaced sensor twice 3 sensors total, changed timing set even) tested wires no issue there. Codes are also intermittent so I disabled them.
Cars a big bolt on queen.. Dunno how much is relevant, it's blueprint/balanced: It's got a TwinDisc Exedy, Jegs UD pulley, Overdrive pulley on a new alternator, was built to be backed with an sts kit, and pass CA Smog; Right now trying to tune it, with kit off just a stock ls6 with big injectors/fuel and supporting cast.
2003 Z06, stock cam, Upgraded valve train (stock sizes, stock valves in head), SD60# injectors, Racetronix Pump, Forged 347 (3.905 clean up bore -4cc reliefs wiseco piston) else all the stock dimensions.
12-08-2014, 08:24 AM
#3
TECH Addict
post your tune. I assume your are adding a turbo or supercharger since you have 60 lb injectors on a fairly stock motor. Sound like you injector data could be wrong but hard to say without seeing tune.