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| turbotrana |
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By the way Johno how did get the 8860 screen displays (as above) done.
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a simple screan print
save to paint and save as a jpeg 
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turbotrana wrote: I run about 25deg at idle as I try to minimise the step of 40deg at 1250rpm at cruise as much as possible. If you say run 10deg then you have a 30 degree step which tends to make the power at crusing speeds of say 900 to 1250 erratic. Its a bit hard to explain but I have reason for running a high initial advance. The problem is if you go too high then it can give a fluctuating idle.
I run 15.5 up tp -30kpa 15A/F at -20kpa, 14A/f at -10, 13A/F at 0kpa then 12.5 at +kpa. You could bump your cruise timing to 45deg. It seems to be the timing that helps with economy. When I go for a economy run I have to drive like a p***y to get the good economy, but considering I run a big fuel pump and 550cc injectors, economy is still achievable. Running Lucas injectors helps a bit IMO mine sits on 7-9L per 100ks on the freeway, so hwy stuff its good but its accell thats a killa I just got myself a hand held tuner which is handy to see whats goin on, took it for a drive tonight and it seems 99% there must organise a dyno guy (was thinking TnR green) to tune my 0kpa timing and fuel is hard to judge on the road
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| turbotrana |
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If your gonna use a dyno try Brett at PSI performance. I've never used him but like some of the work he has done and think he knows a thing or two.
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i have had a mate get his stinger tuned there and baaaadh results!
resulted in two burnt valves and 230ks form a 60L tank!
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| turbotrana |
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Maybe I was wrong, just Brett seemed to know his stuff, but perceptions can be wrong also. Now you know why I tune the way I do (on the strip and street with dataloging and wideband on the EMS). I think on most parts of the tuning map I get very good result. Its just that I tune conservatively and even at a conservative tune you can easily get 500rwhp out of turbo 6. I try to never put the motor at risk.
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yeah, true that
i did oput mine on a dyno for a tune a couple of years ago and was VERY dissapointed!!! I find the auto tune with the ems is good for -20kpa to -80kpa between 1000rpm - 3000rpm everthing else i do with the data logger
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SVO XR6 wrote: *jealous
I only get 450k's, but its all 50-70kmhr stop start s**t im now running 15.6 at cruise 14.7 accell and 13.1 at wot 40* at cruise 30* at wot 16* at idle and 10* at crank Ive got AFr'e 99% now, running sweeeet Now been playing with timing... Runing 43* (as tony said 45* may be a goer) and it ok, starting to feel a little hesitant..? And i bumped up to 37* @ wot feels awsome, never pings but blows more smoke, any ideas??? Im goin to run 37* up to 3500 rpm then follow the tourque curve up the rpm range and finish at 33* @ 5500 sound rite?
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37 at wot seems high... but I dont know much about tuning NA motors, I skipped that nancy boy path
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| SVO XR6 |
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bet mine sounds better
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Haha... I'll have a listen while I fly past you
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well you can watch your fuel guage move at the same time
I booked in to PSI tony, took your advice. spoke to a few top end efi guys and all said he is good, so im goin in for a 0kpa tune fuel/timing he sounds like a champ, see how we go 
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Your not kidding about the fuel guage... but thats the price we pay to go fast
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true true
im cant wait to get the b**ch on the dyno, i get to do all the laptop work it, he just tells me what needs what where ect going on for 2 hrs, so ill make sure the 10-0kpa is 100% then 1500-2200rpm cruise points
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Awesome, driving on the dyno is very cool
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