werid CIS-3 timing problem

[ed armstrong]

Yup, done all that. Car warm, idle at 720 rpm, mixture
OK. I'll do more troubleshooting tonight and see what
I can find.



--- JShadzi at aol.com wrote:
> Make sure you set your timing with the car warm, at
> 800rpm,  and with the fuse in the FPR, have you done
> that?
>
> Javad
>
> >Hi
> >
> >I've run into a wierd CIS-3 ignition timing problem
> on
> >my 90tq conversion. The thing is that when I set
> the
> >initial idle timing to 6-7 deg BTDC, after a drive
> >around the block it is retarded, I not sure quite
> how
> >much, but at least 7 degrees.
> >
> >If I put in the fuse on top the fuel pump relay as
> the
> >Bentley calls for (for checking idle timing) the
> >timing comes back to 7 BTDC. Its like its switching
> >between timing maps or something !
> >
> >Any ideas on this one ? The car does at times seem
> >sluggish off idle as one might expect for retarded
> >timeing.  Other times it seems OK.  I should
> mention
> >this engine is 8.5:1 compression unlike the stock
> >10:1.
> >
> >Some other diagnostics. Idle is fine at 730 rpm, no
> >vacuum leaks, no knocks or pings, decent 91 octane
> gas
> >used, knock sensor seems OK, no error codes.
> >
> >=====
> >-ed
> >
> >__________________________________________________
> >Do you Yahoo!?
> >Yahoo! Tax Center - forms, calculators, tips, more
> >http://taxes.yahoo.com/
> >


=====
-ed

__________________________________________________
Do you Yahoo!?
Yahoo! Tax Center - forms, calculators, tips, more
http://taxes.yahoo.com/