<VV> 65 Monza 110hp engine question
corvairduval at cox.net
Tue Nov 21 01:09:41 EST 2017
1/2 inch reach is correct!!!!!!!!!!!!!!!!!!!!!!!!
Corvair (all engines) used 44FF or 46FF originally. Now all you can get
is single F suffix.
AC 46N was the 3/4" reach spark plug for inline Chevrolet sixes.
Corvair NEVER used 3/4" reach.
On 11/20/2017 11:02 PM, Larry Forman via VirtualVairs wrote:
> Hi Matt,
> This is for the 65 Monza vert 110 HP engine! Perhaps you were kidding??
> On 11/20/2017 7:41 PM, Matt Nall via VirtualVairs wrote:
>> The spark plugs were Autolite 425s that are only 1/2" reach, so I
>> changed them to Autolite 65s with the correct 3/4" reach and ... the
>> engine immediately had a knock. Removed the plugs and sure enough #6
>> and #1 had the ground electrode hit by the piston top. A couple of
>> others had the piston top kiss the cylindrical end part of the spark
>> Larry!! you've been working on that 455 Olds too long!
>> 425's / 1/2" is correct.... INLINE 230/250/292 use the 3/4 inch..
>> Matt Nall
>> Charleston, Oregon
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