Plug Gap on a HEI

[AZKC]

Stockish HEI, plug gap around 45 is close isn't it

[LakesOnly]

Originally posted by AZKC
Stockish HEI, plug gap around 45 is close isn't it
Correct,
When GM came out with the HEI ignition, they recommended something ridiculous like .060" plug gap, but then chaged it to a closer gap: .045"
They should all be st at .045".....
LO

[Fiat48]

Yep .045.

[AdrenelineOD]

Any different for my 10 to 1 comp. 400 ( in a blazer, tow rig) thats what I set it at but havent even started the motor yet

[GofastRacer]

Nope, distributer don't know what it's in, .045 with an HEI!..