New motor won't idle. BC 264 cams?

[IJ.]

Wayne: LOL It's a Bosch 68mm generic thing, I've turned it into an LPG Carb, there are pics in my pics thread.

 

[bowsercake]

On a cam with more aggressive lift/duration than the BC cams I advanced the exhaust 4* and retarded the intake 2*. I am pulling a good amount more vacuum than the car did stock. I may play the the settings a little more later but for now adjusting the cams had a big (good) effect on my idle speed.

From the Old Mailing List:
http://www.supras.com/pipermail/supras_supras.com/2004-August/005731.html
Other SF cam adjusting info:
http://www.supraforums.com/forum/showthread.php?t=411951
>Retard Intake Cam Only: This starts overlap later and, therefore,
>reduces overlap. This helps top-end at the expense of lower mid-
>range. Most street engines do not like this, and idle suffers.
>Works well on ported engines and undersquare engines (the stock
>MarkIII Turbo is nearly square - the stock MarkIV is square).
>
>Advance Exhaust Cam Only: Reduces overlap and increases
>blowdown by opening the exhaust valve sooner. This will, most
>likely, shorten the power stroke. Usually helps top-end power at
>expense of lower mid-range. Most street engines do not like this,
>but it will help to smooth idle.

 

[Insidious Surmiser]

did you reset the comptuer, lots of time it takes time for it to reset and learn to idle.. I know the 7m sucks for trying to idle when things are changed for air things... (afm ect)

Also, you may need timing.. Sounds like the cams have overlap which is why you have shitty idle... which IMO sucks.. I hate overlap on turbo cars...

I found crowers had the same problem and i made less power in low end and top end compaired to cams with no overlap when i was doing 1jz testing.

yep, usually you don't want to run much overlap at all with forced induction