[Supras] Lexus AFM + 550cc injector head scratcher

Dan Gyoba dgyoba at abstractconsulting.com
Mon Jun 18 12:15:54 CDT 2007


On 17 Jun 2007 at 2:33, berniek at technicaldevelop.com wrote:

>     Of course, the knock sensors will cause the spark to retard, but
>     should not be relied upon in the normal course of operation.  I'm
>     curious if anyone has considered this point or has had any
>     problems in running the Lex mod without electronic add-ons.
> 
>     Thanks.

Of course Reg does the techtom ECU re-program which re-writes the spark advance curve, but 
overall, the knock sensors are very dependable.  In addition, with good gas (91+ R+M/2 octane) 
we actually want more spark advance than the factory gives us.  This allows for faster 
spooling of the turbo, thus more power lower in the RPM range.

Dan Gyoba
'89 NA 450,322 kms, Turbo swap in progress
http://www.abstractconsulting.com/~dan




More information about the Supras mailing list