VEMS I5 Maps

[adam g]

You can download vemstune for free and open all the files!

Cheers for the tip. I'm guessing I'll find it on the vems website.

[adam g]

setup see above...

Thanks for sharing. Is the vertical scale kpa?

[Billman]

You can download vemstune for free and open all the files!

[Prosac]

setup see above...

[adam g]

Would anyone with a well tuned set up be willing to post a screen shot of there timing map and a quick summary of their set up. I don't have vems so can't open the map files on this thread but I'm curious how my timing map compares.

[Prosac]

hi Billman I was unfortunately on no dyno . I just measured with a pbox.

[Billman]

Have you been on a dyno with that setup?

[Prosac]

AAN, E85, HX 40 Super 16#, ID1000, 4bar (58psi) FP, Walbro 450 lph E85, machined Head

[snaak]

My car is doing lots of misfires on warmup with these cold temps. When the coolant temps are OK it is fine. It is on ultimate pump gas now. Should I change something?

Turned out my spark plugs (iridium) and ls2 coils were causing the problems. LS2 coils did not more than 5000KM bought at efiexpress. What shoukd I do, buy new LS2 or go tfsi coils?

[dkw_dude]

Nice. Glad I could help..

[dich]

Thank you dkw_dude. Now it starts nicely.

[snaak]

My car is doing lots of misfires on warmup with these cold temps. When the coolant temps are OK it is fine. It is on ultimate pump gas now. Should I change something?

[Thuppu]

Dmitri, my car started in -15 after few attempts. Your coldstart setups made in summertime and in like 5min.

[prj]

E85 does not like the cold, that's why the run E75 in winter

I started an I5 in -10C on E85 that I mixed myself last week. Started after 3-4 cranks just fine.

E75 you need for -15C and below.

Get your maps right, and your car will start fine. At 5c only poor mapping is to blame, not the fuel.

[dkw_dude]

Hi, here's a config with working settings for E75 cold start enrichment (on my car anyway), tested down to about -5 degrees Celcius. Use settings at your own risk!!