<VV> 65 Monza 110hp engine question

FrankDuVal corvairduval at cox.net
Tue Nov 21 01:09:41 EST 2017


NNNOOOO!!!!!!

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.

Frank DuVal



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??
>
> Larry
>
> 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 
>> plug.
>>
>> =====================================================
>>
>>
>> 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
>> http://tinyurl.com/The-Corvair-Patio
>>
>> http://tinyurl.com/Matts-Tech-Pages
>>

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