[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Low RPM roughness



> >>you probably need a custom chip for your app, fuel pressure is a little
> high,  do you have a speed sensor for road speed - you wont get mileage if
you
> dont
> Yes, I have the speed sensor.

>As far as I can tell, the only thing the 7747
> uses the speed sensor for is to control the TCC on the 700R4.  I have
> verified that the TCC is operating as expected.

Also, IAC.

> Fuel pressure high tho?  From the book, 13PSI is right on the money?

Ever engine is different. Need to really figure out what is right for your
application. The 13 is for an average box stock, what ever you looked up.
Bruce

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo@lists.diy-efi.org