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
Dist. Type
* 18GB (LC) Engine - 25D4
* 18V (672ZL) Engine - 25D4
Dist. S/N
* 18GB (LC) Engine - 40916
* 18V (672ZL) Engine - 41491
Point Gap (In)
* 18GB (LC)Engine - .014 to .016
* 18V (672ZL) Engine - .014 to .016
Static Timing Deg BTDC
* 18GB (LC) Engine - 80
* 18V (672ZL) Engine - 60
Strob. Timing Deg BTDC
* 18GB (LC) Engine - 12 @ 600
* 18V (672ZL) Engine - 12 @ 1500
Plug Type
* 18GB (LC) Engine - N-9Y
* 18V (672ZL) Engine - N-9Y
Plug Gap (In)
* 18GB (LC) Engine - .024 to .026
* 18V (672ZL) Engine - .024 to .026
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Patton Dickson - Richmond, TX
1965 Corvair Monza 110/4sp 'vert
1967 MGB
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