Suck it and see?
Idle speed is pretty easy - whatever gives a reasonably smooth idle without
too much engine rocking. Timing is whatever gives best performance without
pinking on a slight incline with medium throttle.
----- Original Message -----
From: "Patton Dickson" <kpdii@softhome.net>
To: <mgs@autox.team.net>
Sent: Sunday, February 17, 2002 5:47 AM
Subject: Tuning the Frankenstein Engine
> My 1967 MGB has a later 18V motor (18V672Z-L26266) with the heads, carbs,
> and (I think) the distributor that would have been from the original 18GB
> motor. Below is all of the tuning data I can find for both engines, what
> numbers should I tune the car with? Thanks Patton
>
> Idle RPM
> * 18GB (LC) Engine - 500 RPM
> * 18V (672ZL) Engine - 850 RPM
>
> Strob. Timing Deg BTDC
> * 18GB (LC) Engine - 12 @ 600
> * 18V (672ZL) Engine - 12 @ 1500
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