lean cruise

[Romans, Mark]

Looks like hwy spark and hwy fuel.
Mark
----- Original Message -----
From: "rr" <RRauscher at nni.com>
To: <gmecm at diy-efi.org>
Sent: Saturday, February 24, 2001 7:45 AM
Subject: lean cruise


>
> Well folks, I found the lean cruise stuff in an '89 Caprice cop bin.
> This
> is with a TBI on a 350. Just for informational purposes, here are some
> tables that are used:
>
>
> LD022: FCB 240 ; vac, hiway SA & Fuel threshold
> LD023: FCB  52 ; mph, hiway SA threshold
> LD024: FDB 4800 ; timer hiway SA, sec * 80 = 60 sec
>
> ;*==================================================
> ;* Hiway Spk Adv vs Vac
> ;* Added SA when in Hiway Mode
> ;* Val = Spk Adv * (256/90)
> ;*==================================================
>
> LD13F:
>
> ;---------------------------------
> ;   Spk  ; Vac
> ;---------------------------------
>  FCB   6 ; 50
>  FCB   0 ; 40
>  FCB   0 ; 30
>  FCB   0 ; 20
>  FCB   0 ; 10
>  FCB   0    ;  0
>
>
> LD234: FCB  52 ; hiwayfuel  mph threshold, 52
> LD235: FCB 166 ; not sure, egr or clsd lop term
> LD236: FCB 100 ; hiway fuel lockout timer val
> LD237: FCB 255 ; hiway fuel timer val, stay in
>
>
> ;*==================================================
> ;* HiWay Mode AFR vs Vac
> ;* tbl = afr * 10
> ;*==================================================
>
> LD3BC:
>
> ;----------------------------------
> ;  Afr ; Vac, Kpa
> ;----------------------------------
>
>  FCB 150 ; 80
>  FCB 150 ; 70
>  FCB 166 ; 60
>  FCB 166 ; 50
>  FCB 160 ; 40
>  FCB 155 ; 30
>  FCB 150 ; 20
>  FCB 144 ; 10
>  FCB 144  ;  0
>
>
> BobR.
>
>
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